WelTAG Planning Stage: Workshop Information...
29
Transport Wales New M4 Project WelTAG Planning Stage: Workshop Information Pack Black 1
Transcript of WelTAG Planning Stage: Workshop Information...
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ct
Wel
TA
G P
lann
ing
Sta
ge:
Wor
ksho
p In
form
atio
n P
ack
Blac
k
1
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ct
Wel
TA
G P
lann
ing
Sta
ge:
Wor
ksho
p In
form
atio
n P
ack
O
ctob
er 2
007
Thi
s re
port
take
s in
to a
ccou
nt th
e pa
rtic
ular
inst
ruct
ions
and
req
uire
men
ts o
f our
clie
nt.
It
is n
ot in
tend
ed fo
r an
d sh
ould
not
be
relie
d up
on b
y an
y th
ird p
arty
and
no
resp
onsi
bilit
y
is u
nder
take
n to
any
third
par
ty
Ove
Aru
p &
Par
tner
s L
td
4 P
ierh
ead
Str
eet,
Cap
ital W
ater
side
, Car
diff
CF
10 4
QP
Tel
+44
(0)
29 2
047
3727
Fax
+44
(0)
29 2
047
2277
w
ww
.aru
p.co
m
Job
num
ber
11
7300
2
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
Docu
men
t Ver
ifica
tion
Page
1 o
f 2
Job
title
N
ew M
4 P
roje
ct
Job
num
ber
1173
00
Doc
umen
t titl
e W
elT
AG
Pla
nnin
g S
tage
: W
orks
hop
Info
rmat
ion
Pac
k F
ile r
efer
ence
Rev
isio
n D
ate
File
nam
e W
orks
hop
Pac
k.do
c
Des
crip
tion
Firs
t dra
ft
P
repa
red
by
Che
cked
by
App
rove
d by
Nam
e Ja
nette
Sha
w
Sus
an T
hom
as
Dan
Sav
ille
File
nam
e W
orks
hop
Pac
k.do
c
Des
crip
tion
Sec
ond
draf
t
P
repa
red
by
Che
cked
by
App
rove
d by
Nam
e
Des
crip
tion
Thi
rd d
raft
P
repa
red
by
Che
cked
by
App
rove
d by
Nam
e
Des
crip
tion
Fou
rth
draf
t
P
repa
red
by
Che
cked
by
App
rove
d by
Nam
e
Des
crip
tion
Issu
e
P
repa
red
by
Che
cked
by
App
rove
d by
Nam
e
Is
sue
Doc
umen
t Ver
ifica
tion
with
Doc
umen
t
3
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
Con
tent
s
P
age
1 In
trod
uctio
n 3
1.1
New
M4
Pro
ject
Pla
nnin
g 3
1.2
Tra
nsiti
on in
to W
elT
AG
3
1.3
Wor
ksho
p 3
1.4
Con
tent
of I
nfor
mat
ion
Pac
k 3
2 S
cene
Set
ting:
Evo
lutio
n of
the
New
M4
4 2.
1 E
arly
Stu
dies
4
2.2
Rou
te O
ptio
ns a
nd P
ublic
Con
sulta
tions
4
2.3
Pre
ferr
ed R
oute
Dev
elop
men
t 5
2.4
New
M4
Pro
ject
5
3 T
rans
port
App
rais
al A
ppro
ach
– E
volu
tion
to W
elT
AG
8
3.1
New
App
rais
al T
echn
ique
s 8
3.2
The
M4
Com
mon
App
rais
al F
ram
ewor
k (C
AF
) 8
3.3
Tra
nsiti
on to
Wel
TA
G
10
3.4
App
licat
ion
of W
elT
AG
to N
ew M
4 P
roje
ct
10
3.5
Rel
ated
App
rais
als
13
4 P
robl
ems
14
4.1
Exi
stin
g P
robl
em
14
4.2
Con
sequ
ence
s of
Doi
ng N
othi
ng
14
4.3
Evi
denc
e B
ase
15
4.4
Maj
or M
aint
enan
ce
17
5 T
rans
port
Pla
nnin
g O
bjec
tives
18
5.
1 G
uida
nce
18
5.2
New
M4
Dra
ft O
bjec
tives
18
4
5
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 3
Ove
Aru
p &
Par
tner
s Lt
d
1 In
trod
ucti
on
1.1
New
M4
Pro
ject
Pla
nnin
g
Pla
nnin
g fo
r th
e N
ew M
4 be
gan
in th
e ea
rly 1
990s
whe
n W
elsh
Offi
ce
prog
ram
mes
mad
e re
fere
nce
to a
n M
4 R
elie
f Roa
d ar
ound
New
port
.
Sin
ce th
at ti
me
ther
e ha
s be
en c
onsi
dera
ble
deve
lopm
ent i
n th
e
appr
oach
to tr
ansp
ort p
lann
ing
with
a v
iew
to m
ore
deta
iled
exam
inat
ion
of p
robl
ems
and
outc
omes
prio
r to
the
deve
lopm
ent a
nd
test
ing
of p
oten
tial m
ulti-
mod
al s
olut
ions
.
Pre
sent
gui
danc
e in
Wal
es is
con
tain
ed w
ithin
the
Wel
sh T
rans
port
P
lann
ing
and
App
rais
al G
uida
nce
(Wel
TA
G),
Feb
ruar
y 20
07. T
he a
im
of W
elT
AG
is to
ass
ist d
ecis
ion
mak
ers
in m
akin
g ra
tiona
l cho
ices
.
It is
sta
ted
in th
e gu
idan
ce “
that
the
appr
aisa
l pro
cess
will
nee
d to
be
appl
ied
to b
e pr
opos
als
whi
ch h
ave
alre
ady
been
wel
l res
earc
hed
and
deve
lope
d”. T
he a
dvic
e fr
om th
e A
ssem
bly
Gov
ernm
ent i
s “f
or
user
s to
sta
rt a
dopt
ing
Wel
TA
G a
s so
on a
s po
ssib
le, t
ryin
g to
com
ply
with
any
add
ition
al r
equi
rem
ents
eve
n du
ring
the
tran
sitio
n pe
riod.
”
1.2
Tra
nsit
ion
into
Wel
TA
G
The
key
prin
cipl
es o
f the
Wel
TA
G a
ppro
ach
are
that
it s
houl
d be
ob
ject
ive-
led
and
subj
ect t
o pa
rtic
ipat
ion.
The
re a
re th
ree
stag
es to
the
proc
ess:
• P
lan
nin
g S
tag
e. T
his
star
ts fr
om p
robl
ems
and
oppo
rtun
ities
,
thro
ugh
the
setti
ng o
f obj
ectiv
es, i
dent
ifica
tion
of p
ossi
ble
solu
tions
and
initi
al s
iftin
g, to
opt
ion
deve
lopm
ent a
nd p
relim
inar
y te
stin
g.
• S
tag
e 1.
The
scr
eeni
ng a
nd te
stin
g of
thos
e op
tions
whi
ch m
ade
it th
roug
h th
e pl
anni
ng s
tage
in o
rder
to a
sses
s pe
rfor
man
ce
agai
nst t
he tr
ansp
ort o
bjec
tives
and
the
wid
er s
usta
inab
ility
ob
ject
ives
of t
he A
ssem
bly
Gov
ernm
ent.
• S
tag
e 2.
A m
ore
deta
iled,
mor
e qu
antit
ativ
e an
d ev
iden
ce-b
ased
appr
aisa
l of f
easi
ble
optio
ns.
1.3
Wor
ksho
p
Giv
en th
e ad
vanc
ed s
tate
of p
rogr
ess
of th
e sc
hem
e an
d th
at
Min
iste
rial a
nnou
ncem
ents
hav
e be
en m
ade
abou
t the
mot
orw
ay,
cert
ain
Wel
TA
G s
tage
s w
ill, o
f nec
essi
ty, b
e a
reco
nsid
erat
ion
and
valid
atio
n pr
oces
s, d
raw
ing
on th
e m
ulti-
mod
al a
nd D
MR
B b
ased
st
udie
s w
hich
hav
e al
read
y be
en c
ondu
cted
.
To
conf
orm
with
the
inte
nt o
f par
ticip
atio
n at
all
stag
es, t
he p
urpo
se o
f th
e W
orks
hop
is to
exa
min
e an
d se
ek c
onse
nsus
on
the
prob
lem
w
hich
the
New
M4
is m
eant
to r
esol
ve a
nd th
e ob
ject
ives
aga
inst
whi
ch th
e sc
hem
e an
d ot
her
pote
ntia
l opt
ions
sho
uld
be a
sses
sed.
Invo
lvem
ent i
n th
e w
orks
hop
is m
ore
limite
d th
an m
ight
be
the
case
un
der
sche
mes
whi
ch a
re le
ss a
dvan
ced,
in o
rder
to a
void
con
fusi
on
over
the
stat
us o
f the
pro
ject
. The
exe
rcis
e is
prim
arily
one
of
ende
avou
ring
to c
onfir
m p
revi
ous
assu
mpt
ions
and
obj
ectiv
es a
nd
test
ing
thos
e co
nclu
sion
s us
ing
the
new
Wel
TA
G a
ppro
ach.
1.4
Con
tent
of
Info
rmat
ion
Pac
k
Thi
s P
ack
outli
nes
the
plan
ning
and
app
rais
al h
isto
ry o
f the
sch
eme,
sets
out
the
prob
lem
s as
pre
viou
sly
iden
tifie
d an
d pr
esen
ts d
raft
obje
ctiv
es fo
r di
scus
sion
. The
sec
tion
num
berin
g fo
llow
s th
at o
f the
A
gend
a ite
ms.
A c
opy
of th
e W
orks
hop
Age
nda
is p
rovi
ded
sepa
rate
ly a
nd a
ttach
ed a
t App
endi
x A
.
6
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 4
Ove
Aru
p &
Par
tner
s Lt
d
2 S
cene
Set
ting
: Evo
luti
on o
f th
e N
ew
M4
2.1
Ear
ly S
tudi
es
In M
arch
198
9 th
e (t
hen)
Sec
reta
ry o
f Sta
te fo
r W
ales
com
mis
sion
ed
the
Sou
th W
ales
Are
a T
raffi
c S
urve
y (S
WA
TS
) to
rev
iew
the
traf
fic
patte
rns
over
par
t of t
he tr
unk
road
net
wor
k in
Sou
th W
ales
to
asce
rtai
n th
e se
ctio
ns w
hich
wer
e lik
ely
to e
xcee
d th
eir
reco
mm
ende
d flo
w le
vels
and
to id
entif
y po
ssib
le s
olut
ions
. Fol
low
ing
this
stu
dy, i
n M
ay 1
991,
the
prop
osal
for
a re
lief m
otor
way
aro
und
New
port
, the
M4
Rel
ief R
oad,
was
incl
uded
in th
e T
runk
Roa
d
prog
ram
me.
2.2
Rou
te O
ptio
ns a
nd P
ublic
Con
sult
atio
ns
Aru
p w
as a
ppoi
nted
in 1
992
on th
e ba
sis
of a
DM
RB
Sta
ge 1
stu
dy
“to
cons
ider
all
rout
e co
rrid
or o
ptio
ns fo
r im
prov
emen
t of t
he M
4 m
otor
way
bet
wee
n M
agor
and
Cas
tleto
n” in
ord
er “
to e
nabl
e th
e
Sec
reta
ry o
f Sta
te to
dec
ide
upon
a p
refe
rred
rou
te fo
r th
e sc
hem
e”.
Init
ial S
tudi
es
Initi
al s
tudi
es w
ere
carr
ied
out,
in a
ccor
danc
e w
ith D
MR
B g
uide
lines
,
betw
een
1992
and
199
3 to
gat
her
basi
c da
ta o
n th
e en
viro
nmen
t, tr
affic
, eng
inee
ring,
pla
nnin
g co
nstr
aint
s an
d to
pogr
aphy
in a
stu
dy
area
of a
ppro
xim
atel
y 11
0 sq
uare
mile
s be
twee
n C
ardi
ff an
d C
aldi
cot
(eas
t-w
est)
; Cw
mbr
an a
nd th
e S
ever
n E
stua
ry (
nort
h-so
uth)
.
Usi
ng th
e ba
se d
ata
colle
cted
a fu
ll ra
nge
of p
ossi
ble
rout
es w
as
iden
tifie
d bo
th to
the
nort
h an
d so
uth
of N
ewpo
rt.
Tog
ethe
r w
ith a
ll
the
sub
optio
ns, t
he to
tal n
umbe
r id
entif
ied
was
in e
xces
s of
2,0
00;
the
aim
was
an
exha
ustiv
e se
lect
ion
proc
ess
that
wou
ld le
ave
no
feas
ible
opp
ortu
nity
une
xplo
red.
All
rout
e op
tions
and
sub
-opt
ions
wer
e as
sess
ed o
n th
e ba
sis
of e
nviro
nmen
t, co
st, t
raffi
c, e
ngin
eerin
g an
d ec
onom
ics,
dur
ing
whi
ch th
e le
ast f
avou
red
optio
ns w
ere
disc
arde
d. B
road
ly th
e op
tions
cou
ld b
e gr
oupe
d in
to th
ree
prin
cipa
l
corr
idor
s, n
orth
of t
he M
4, s
outh
of t
he M
4 an
d al
ong
the
gene
ral l
ine
of th
e ex
istin
g ro
ad.
The
bes
t rou
te o
ptio
n no
rth
of N
ewpo
rt w
as fo
und
to b
e no
t as
good
as th
ose
to th
e so
uth.
It w
as n
early
4 m
iles
long
er, w
ould
cau
se
maj
or im
pact
s on
the
land
scap
e w
here
it c
ross
ed th
e va
lleys
and
hi
llsid
es n
orth
of N
ewpo
rt a
nd w
ould
not
attr
act s
uffic
ient
ly h
igh
leve
ls
of tr
affic
from
the
exis
ting
M4
mot
orw
ay.
In e
cono
mic
term
s it
perf
orm
ed m
uch
less
wel
l tha
n th
e so
uthe
rn r
oute
s.
The
opt
ion
for
wid
enin
g th
e ex
istin
g M
4 m
otor
way
was
als
o
asse
ssed
. T
o m
eet d
esira
ble
stan
dard
s so
me
340
resi
dent
ial
prop
ertie
s w
ere
iden
tifie
d fo
r de
mol
ition
, prim
arily
in th
e H
igh
Cro
ss
and
St J
ulia
n’s
area
s of
New
port
. In
econ
omic
term
s it
also
per
form
ed
less
wel
l tha
n th
e so
uthe
rn r
oute
s.
Var
ious
com
bina
tions
wer
e co
nsid
ered
but
did
not
com
pare
fa
vour
ably
with
rou
tes
sout
h of
New
port
.
Firs
t P
ublic
Con
sult
atio
n
A s
elec
tion
of r
oute
opt
ions
to th
e so
uth
of N
ewpo
rt w
as ta
ken
forw
ard
to P
ublic
Con
sulta
tion
in th
e su
mm
er o
f 199
3. F
ollo
win
g
conc
erns
exp
ress
ed d
urin
g th
e co
nsul
tatio
n, th
e (t
hen)
Sec
reta
ry o
f S
tate
, in
July
199
4, a
nnou
nced
his
dec
isio
n to
pro
ceed
with
an
M4
Rel
ief M
otor
way
to th
e so
uth
of N
ewpo
rt.
He
was
min
ded
to a
dopt
an
optio
n ro
utin
g th
e m
otor
way
to th
e no
rth
of M
agor
and
furt
her
nort
h on
the
appr
oach
to C
astle
ton
to r
educ
e in
trus
ion
on th
e Le
vels
and
to
take
acc
ount
of e
xist
ing
com
mer
cial
and
bus
ines
s in
tere
sts.
It w
as
also
ann
ounc
ed th
at h
e w
ould
con
sult
sepa
rate
ly o
n na
viga
tion
and
in
tere
sts
affe
cted
by
the
dock
s an
d R
iver
Usk
cro
ssin
g.
Sec
ond
Pub
lic C
onsu
ltat
ion
A s
econ
d co
nsul
tatio
n w
as u
nder
take
n in
the
autu
mn
of 1
994
to
pres
ent t
wo
optio
ns a
t bot
h M
agor
and
Cas
tleto
n an
d th
ree
optio
ns
for
cros
sing
the
dock
s an
d R
iver
Usk
.
7
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 5
Ove
Aru
p &
Par
tner
s Lt
d
Sel
ecti
on o
f P
refe
rred
Rou
te
Afte
r ex
amin
atio
n of
the
resu
lts o
f the
Sec
ond
Pub
lic C
onsu
ltatio
n
and
furt
her
stud
y, th
e pr
efer
red
rout
e w
as a
nnou
nced
by
the
Sec
reta
ry o
f Sta
te in
Jul
y 19
95 a
nd b
ecam
e su
bjec
t to
TR
111
Pla
nnin
g P
rote
ctio
n. T
he r
oute
was
mod
ified
in 1
997
in th
e vi
cini
ty o
f
Duf
fryn
to ta
ke a
ccou
nt o
f the
LG
dev
elop
men
t.
2.3
Pre
ferr
ed R
oute
Dev
elop
men
t
Pre
limin
ary
Des
ign
In 1
997
wor
k st
arte
d on
the
Pre
limin
ary
Des
ign
of th
e pr
efer
red
rout
e co
rrid
or. I
t was
con
duct
ed in
acc
orda
nce
with
the
requ
irem
ents
of
Sta
ge 2
DM
RB
– th
e pu
rpos
e of
Aru
p’s
com
mis
sion
bei
ng “
to p
rovi
de
the
Sec
reta
ry o
f Sta
te w
ith a
dequ
ate
deta
il on
the
proj
ect t
o en
able
hi
m to
see
k an
d ob
tain
the
nece
ssar
y S
chem
e an
d S
ide
road
s or
der
to c
onst
ruct
it.”
The
se o
bjec
tives
wer
e de
rived
from
thos
e st
ated
in th
e re
port
“R
oads
in
Wal
es –
199
4 R
evie
w (
with
sub
sequ
ent u
pdat
es)
toge
ther
with
the
annu
al W
elsh
Offi
ce D
epar
tmen
tal R
epor
t and
the
vario
us s
tate
men
ts
mad
e in
con
nect
ion
with
the
sche
me
As
part
of t
his
proc
ess
spec
ific
surv
eys
wer
e un
dert
aken
alo
ng th
e co
rrid
or to
gat
her
data
to s
uppo
rt b
oth
the
envi
ronm
enta
l ass
essm
ent
and
the
prel
imin
ary
desi
gn.
It w
as r
ecog
nise
d th
at fu
rthe
r op
tions
whi
ch m
odifi
ed th
e pr
efer
red
rout
e w
ould
em
erge
dur
ing
prel
imin
ary
desi
gn, i
n vi
ew o
f the
tim
esca
le o
f the
dev
elop
men
t of t
he p
roje
ct s
ince
the
initi
al s
tudi
es.
With
the
M4
Rel
ief R
oad
in p
lace
, flo
ws
on th
e ex
istin
g M
4 w
ere
fore
cast
to r
educ
e by
bet
wee
n 30
% a
nd 4
0%, t
o le
vels
bel
ow w
hich
co
nges
tion
is u
nlik
ely
to o
ccur
with
in th
e ne
xt 2
5 ye
ars.
The
find
ings
of t
he S
tage
2 w
orks
wer
e pr
esen
ted
wer
e pr
esen
ted
in
Sch
eme
Ass
essm
ent r
epor
t (S
AR
) in
200
1.
In J
anua
ry 2
002
the
M4
Rel
ief R
oad
was
put
into
the
On
Hol
d ca
tego
ry o
f the
Tru
nk R
oad
For
war
d P
rogr
amm
e 20
02, p
endi
ng th
e
outc
ome
of th
e W
ales
Spa
tial P
lan.
The
TR
111
prot
ectio
n zo
ne fo
r th
e m
otor
way
was
ext
ende
d in
200
3 fo
llow
ing
anno
unce
d ch
ange
s at
Ll
anw
ern
Ste
elw
orks
, to
faci
litat
e po
tent
ial c
hang
es in
the
rout
e
alig
nmen
t in
this
are
a.
2.4
New
M4
Pro
ject
In N
ovem
ber
2004
, “P
eopl
e, P
lace
s, F
utur
es –
The
Wal
es S
patia
l P
lan”
was
ado
pted
and
sta
ted
the
inte
ntio
n to
“…
incr
ease
the
tran
spor
t cap
acity
of t
he c
orrid
ors
and
gate
way
s to
Eur
ope
and
beyo
nd.
Thi
s w
ill in
clud
e ca
paci
ty e
nhan
cem
ents
on
the
M4
and
A46
5 co
rrid
ors
thro
ugh
the
Tru
nk R
oad
For
war
d P
rogr
amm
e as
wel
l as
dev
elop
men
t of r
oute
s fr
om C
ardi
ff In
tern
atio
nal A
irpor
t”.
Fol
low
ing
this
, in
Dec
embe
r 20
04, t
he M
inis
ter
for
Eco
nom
ic
Dev
elop
men
t and
Tra
nspo
rt a
nnou
nced
, as
part
of h
is 2
004
Tra
nspo
rt R
evie
w, t
hat t
he m
otor
way
sch
eme,
now
kno
wn
as th
e
New
M4
Pro
ject
, was
bei
ng m
oved
to P
hase
2 o
f the
Tru
nk R
oad
For
war
d P
rogr
amm
e (ie
sch
emes
whi
ch c
ould
be
read
y by
Apr
il 20
10).
The
ann
ounc
emen
t ini
tiate
d st
udie
s to
inve
stig
ate
fund
ing
and
proc
urem
ent m
etho
ds, t
oget
her
with
a n
umbe
r of
key
rev
iew
ac
tiviti
es:
The
Sta
ge 2
obj
ectiv
es fo
r th
e sc
hem
e w
ere:
•
To
prov
ide
relie
f of o
r fr
om th
e an
ticip
ated
effe
cts
of
incr
easi
ng tr
affic
on
the
M4
mot
orw
ay a
roun
d N
ewpo
rt
betw
een
Mag
or a
nd C
astle
ton;
• T
o de
velo
p th
e sc
hem
e on
the
basi
s of
acc
epta
ble
envi
ronm
enta
l, fin
anci
al, e
cono
mic
and
saf
ety
crite
ria.
8
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 6
Ove
Aru
p &
Par
tner
s Lt
d
• A
re-
exam
inat
ion
of r
oute
cor
ridor
s, c
onsi
derin
g in
par
ticul
ar th
e
impl
icat
ions
and
con
sequ
ence
s of
legi
slat
ive
chan
ges
and
phys
ical
dev
elop
men
ts w
ithin
the
orig
inal
pro
ject
stu
dy a
rea
(Re-
exam
inat
ion
of R
oute
Cor
ridor
s R
epor
t, M
arch
200
6).
• A
rev
iew
of t
he ju
nctio
n st
rate
gy fo
r th
e N
ew M
4 ta
king
into
ac
coun
t cur
rent
traf
fic fl
ows
and
pred
ictio
ns a
nd a
n in
itial
asse
ssm
ent o
f the
impa
ct o
f tol
ling
(Jun
ctio
n S
trat
egy
Rev
iew
, A
pril
2006
).
• A
n ho
listic
rev
iew
of t
he 1
997
Mod
ified
Pre
ferr
ed R
oute
in th
e lig
ht o
f rel
evan
t cha
nges
that
may
hav
e oc
curr
ed s
ince
200
2,
prim
arily
the
cess
atio
n of
ste
elm
akin
g an
d re
deve
lopm
ent a
t Ll
anw
ern
(Pre
ferr
ed R
oute
Rev
iew
, Apr
il 20
06).
The
Re-
exam
inat
ion
of
Ro
ute
Co
rrid
ors
was
con
duct
ed b
y m
eans
of a
faci
litat
ed w
orks
hop
invo
lvin
g re
leva
nt A
ssem
bly
and
Sta
tuto
ry
Age
ncy
(sta
keho
lder
) pe
rson
nel,
the
purp
ose
of w
hich
was
to lo
ok a
t
the
rout
e co
rrid
or o
f the
roa
d sc
hem
e in
the
light
of s
trat
egic
cha
nge
fact
ors,
to c
onsi
der
whe
ther
the
deci
sion
to p
ursu
e a
sout
hern
co
rrid
or r
emai
ned
valid
. It c
oncl
uded
that
env
ironm
enta
l ris
ks a
nd
cons
trai
nts
had
incr
ease
d al
ong
all r
oute
cor
ridor
s bu
t not
so
as to
pr
eclu
de p
rogr
ess
of th
e sc
hem
e on
the
sout
hern
cor
ridor
. In
prog
ress
ing
the
sout
hern
rou
te, i
t was
em
phas
ised
that
the
issu
es
and
cons
trai
nts
iden
tifie
d at
the
wor
ksho
p m
ust b
e ad
dres
sed,
in
part
icul
ar th
e im
pact
of d
evel
opm
ent o
n th
e G
wen
t Lev
els
suite
of
SS
SIs
; his
toric
land
scap
e; a
rcha
eolo
gy; a
nd fl
ood
risk.
The
Ju
nct
ion
Str
ateg
y R
evie
w c
onsi
dere
d th
e m
erits
of t
hree
inte
rmed
iate
junc
tions
: to
the
sout
h of
New
port
on
the
east
sid
e of
the
Riv
er U
sk c
onne
ctin
g to
the
city
’s r
oad
netw
ork
via
Mea
dow
s R
oad
and
the
Sou
ther
n D
istr
ibut
or R
oad;
a p
artia
l jun
ctio
n on
the
New
M4
to th
e w
est o
f Mag
or w
ith w
est f
acin
g sl
ip r
oads
; and
a fu
rthe
r pa
rtia
l ju
nctio
n w
ith e
ast f
acin
g sl
ip r
oads
to b
e pr
ovid
ed a
t Duf
fryn
to th
e
wes
t of N
ewpo
rt. T
he p
rovi
sion
of a
n E
aste
rn ju
nctio
n pl
us a
par
tial
Wes
tern
junc
tion
was
rec
omm
ende
d as
the
outc
ome
of th
e re
view
.
The
Pre
ferr
ed R
ou
te R
evie
w c
onsi
dere
d th
e fo
llow
ing
key
fact
ors:
• R
iver
Usk
– th
is w
as fo
rmal
ly d
esig
nate
d as
a S
peci
al A
rea
of
Con
serv
atio
n (S
AC
) in
Dec
embe
r 20
04.
• G
wen
t Lev
els
Site
s of
Spe
cial
Sci
entif
ic In
tere
st (
SS
SIs
) -
incr
ease
d ob
ligat
ions
to p
rote
ct a
nd e
nhan
ce S
SS
Is in
trod
uced
by
the
Cou
ntry
side
and
Rig
hts
of W
ay (
CR
oW)
Act
200
0.
• Ll
anw
ern
Ste
elw
orks
“C
orus
” -
the
endi
ng o
f ste
el p
rodu
ctio
n.
• N
ewpo
rt C
ity C
ounc
il’s
(NC
C)
Uni
tary
Dev
elop
men
t Pla
n (U
DP
)
• M
onm
outh
shire
Cou
nty
Cou
ncil’
s (M
CC
) U
DP
• Ju
nctio
ns -
pro
pose
d lo
catio
ns
• P
ropo
sed
Net
wor
k R
ail S
idin
gs w
ithin
New
port
Doc
ks
• U
skm
outh
Rai
lway
Lin
e -
reop
enin
g
• D
ocks
Way
Lan
dfill
Site
- p
lann
ed e
xten
sion
.
It re
com
men
ded
a re
vise
d al
ignm
ent,
mov
ing
the
rout
e fu
rthe
r no
rth
at L
lanw
ern,
redu
cing
the
seve
ranc
e in
the
Gw
ent L
evel
s S
SS
Is a
nd
hist
oric
land
scap
e w
ith a
ssoc
iate
d al
tera
tion
to th
e w
est a
roun
d T
atto
n F
arm
. Alte
ratio
ns to
the
New
port
UD
P a
lso
faci
litat
ed a
no
rthw
ard
mov
emen
t of t
he a
lignm
ent a
way
from
pro
tect
ed a
reas
at
Duf
fryn
.
Rev
ised
Pre
ferr
ed R
oute
Rev
isio
ns to
the
1997
Mod
ified
Pre
ferr
ed R
oute
iden
tifie
d in
the
Pre
ferr
ed R
oute
Rev
iew
wer
e th
e su
bjec
t of a
rev
ised
TR
111
(Apr
il 20
06)
and
rela
ted
Pub
lic E
xhib
ition
s in
Apr
il-M
ay 2
006.
9
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 7
Ove
Aru
p &
Par
tner
s Lt
d
New
M4
Pro
ject
Exh
ibit
ions
For
the
publ
ic e
xhib
ition
s th
e N
ew M
4 pr
ojec
t Vis
ion
was
iden
tifie
d th
us:
to p
rovi
de a
s pa
rt o
f the
wid
er in
tegr
ated
tran
spor
t str
ateg
y fo
r
Sou
th E
ast W
ales
, enh
ance
d ca
paci
ty a
nd r
esili
ence
on
the
tran
spor
t cor
ridor
bet
wee
n M
agor
and
Cas
tleto
n;
toge
ther
with
key
obj
ectiv
es, a
ddre
ssin
g th
e th
ree
pilla
rs o
f
sust
aina
bilit
y ad
opte
d by
the
Wel
sh A
ssem
bly
Gov
ernm
ent i
n its
su
stai
nabi
lity
prog
ram
me
(1 ).
The
feed
back
from
the
exhi
bitio
ns w
as c
olla
ted,
with
mos
t com
men
ts
(eith
er w
ritte
n on
the
feed
back
form
s or
not
ed b
y ex
hibi
tion
staf
f)
bein
g m
ade
on e
nviro
nmen
tal i
ssue
s, a
third
of t
hem
con
cern
ing
nois
e. T
he m
ost s
igni
fican
t sin
gle
issu
e w
as th
at o
f a n
ew lo
cal
junc
tion
to th
e ea
st o
f Mag
or, t
o re
duce
thro
ugh
traf
fic in
the
villa
ge.
1 The
Nat
iona
l Ass
embl
y fo
r W
ales
has
a b
indi
ng le
gal d
uty
to p
ursu
e su
stai
nabl
e de
velo
pmen
t in
all
it do
es. T
his
is b
uilt
into
its
cons
titut
ion
thro
ugh
sect
ion1
21 o
f the
Gov
ernm
ent o
f Wal
es A
ct
and
is d
eliv
ered
thro
ugh
its S
usta
inab
le A
ctio
n P
lan
.
New
M4
Str
ateg
ic O
bje
ctiv
es:
Soc
ial:
to d
eliv
er e
nhan
ced
acce
ssib
ility
to s
ervi
ces
and
empl
oym
ent
oppo
rtun
ities
for
peop
le, w
hils
t ret
aini
ng a
cho
ice
for
road
use
rs.
Eco
nom
ic: t
o de
liver
a m
ore
effic
ient
tran
spor
t cap
abili
ty fo
r ro
ad
traf
fic o
n th
e pr
imar
y ec
onom
ic g
atew
ay to
Sou
th W
ales
, to
faci
litat
e
grow
th in
reg
iona
l and
nat
iona
l pro
sper
ity
Env
ironm
enta
l: to
pre
vent
, red
uce
and
whe
re p
ract
icab
le o
ffset
any
si
gnifi
cant
adv
erse
effe
cts
on e
nviro
nmen
tal r
ecep
tors
.
10
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 8
Ove
Aru
p &
Par
tner
s Lt
d
3 T
rans
port
App
rais
al A
ppro
ach
– E
volu
tion
to
Wel
TA
G
3.1
New
App
rais
al T
echn
ique
s
The
prin
cipa
l gui
danc
e fo
r pl
anni
ng a
nd a
ppra
isal
of t
he M
4 R
elie
f
Roa
d w
as th
e D
MR
B. G
uida
nce
alte
red
with
new
thin
king
and
tr
ansp
ort p
olic
y an
d in
itiat
ives
in th
e la
te 1
990s
set
out
in th
e G
over
nmen
t's W
hite
pap
er A
New
Dea
l for
Tra
nspo
rt: B
ette
r fo
r
Eve
ryon
e (D
ET
R, 1
998)
. It f
ram
ed th
e m
ove
away
from
'pre
dict
and
prov
ide'
sol
utio
ns to
tran
spor
t pro
blem
s, b
uild
ing
on fi
ve o
bjec
tives
:
• T
o pr
otec
t and
enh
ance
the
built
and
nat
ural
en
viro
nm
ent
• T
o im
prov
e sa
fety
for
all t
rave
llers
• T
o co
ntrib
ute
to a
n ef
ficie
nt e
con
om
y an
d to
sup
port
sus
tain
able
econ
omic
gro
wth
in a
ppro
pria
te lo
catio
ns
• T
o pr
omot
e ac
cess
ibili
ty to
eve
ryda
y fa
cilit
ies
for
all,
espe
cial
ly
thos
e w
ithou
t a c
ar
• T
o pr
omot
e th
e in
teg
rati
on o
f all
form
s of
tran
spor
t and
land
us
e pl
anni
ng, l
eadi
ng to
a b
ette
r m
ore
effic
ient
tran
spor
t sys
tem
.
NA
TA
/GO
MM
MS
The
New
App
roac
h to
App
rais
al (
NA
TA
), D
ET
R 1
998,
focu
ssed
on
high
way
sol
utio
ns d
evel
oped
to D
MR
B d
etai
l. N
AT
A w
as fo
llow
ed in
20
00 b
y G
uida
nce
on th
e M
etho
dolo
gy fo
r M
ulti-
Mod
al S
tudi
es
GO
MM
MS
.
Bot
h N
AT
A a
nd G
OM
MM
S a
pplie
d to
Eng
land
and
are
pre
sent
ly
inco
rpor
ated
in w
eb-b
ased
Tra
nspo
rt A
naly
sis
Gui
danc
e (W
ebT
AG
).
The
equ
ival
ent i
n S
cotla
nd, S
cotti
sh T
rans
port
App
rais
al G
uida
nce
(ST
AG
) fo
llow
ed it
s 19
98 tr
ansp
ort W
hite
pap
er, T
rave
l Cho
ices
for
Sco
tland
.
3.2
The
M4
Com
mon
App
rais
al F
ram
ewor
k (C
AF)
CA
F S
tudy
and
Fin
ding
s
The
Com
mon
App
rais
al F
ram
ewor
k (C
AF
) st
udy
was
com
mis
sion
ed
by th
e W
elsh
Offi
ce in
199
7 to
und
erta
ke a
“C
omm
on A
ppra
isal
” of
op
tions
to p
rovi
de r
elie
f fro
m th
e an
ticip
ated
effe
cts
of in
crea
sing
traf
fic o
n th
e M
4 ar
ound
New
port
(Ju
nctio
ns 2
3a to
29)
. It w
as a
m
ulti-
mod
al s
tudy
whi
ch p
rece
ded
NA
TA
and
ado
pted
the
“obj
ectiv
es-le
d” m
etho
d la
ter
prom
oted
by
GO
MM
MS
and
ST
AG
. It
pre-
empt
ed a
nd a
ntic
ipat
ed th
e ne
w te
chni
ques
for
tran
spor
t ap
prai
sal.
CA
F d
evel
oped
sce
nario
s to
add
ress
the
tran
spor
t obj
ectiv
es fo
r th
e
M4
Rel
ief R
oad
(see
box
2.3
) ba
sed
on r
oad
build
ing,
pub
lic tr
ansp
ort
and
traf
fic/d
eman
d m
anag
emen
t and
hyb
rid c
ombi
natio
ns. T
he
perf
orm
ance
of t
hese
sce
nario
s w
as th
en a
sses
sed
usin
g tr
ansp
ort,
econ
omic
and
env
ironm
enta
l sub
-obj
ectiv
es u
sing
mea
sura
ble
indi
cato
rs (
sub-
obje
ctiv
es c
an b
e fo
und
in A
ppen
dix
B).
The
mai
n co
nclu
sion
, rep
orte
d in
199
9, w
as th
at th
ere
wou
ld s
eem
to
be tw
o w
ays
in w
hich
rel
ief c
ould
be
prov
ided
from
the
effe
cts
of
incr
easi
ng tr
affic
on
the
M4
arou
nd N
ewpo
rt:
• T
he fi
rst w
as th
roug
h th
e co
nstr
uctio
n of
the
M4
Rel
ief R
oad;
this
was
eco
nom
ical
ly b
enef
icia
l but
wou
ld c
ause
env
ironm
enta
l da
mag
e to
nat
iona
lly im
port
ant r
esou
rces
and
wou
ld e
ncou
rage
m
ore
car
trip
s.
• T
he s
econ
d w
as w
ith a
hyb
rid s
trat
egy
com
bini
ng s
ome
car
rest
rain
t (ie
tolli
ng th
e M
4) w
ith s
igni
fican
tly im
prov
ed p
ublic
tran
spor
t to
enco
urag
e m
ode
switc
hing
, an
appr
oach
whi
ch w
as
cons
iste
nt w
ith th
e ge
nera
l aim
of U
K n
atio
nal t
rans
port
pol
icie
s.
In F
ebru
ary
2000
the
Nat
iona
l Ass
embl
y fo
r W
ales
Loc
al G
over
nmen
t an
d E
nviro
nmen
t Com
mitt
ee c
onsi
dere
d th
e C
AF
Stu
dy. I
t was
felt
that
tolls
on
the
exis
ting
M4
wou
ld in
hibi
t eco
nom
ic d
evel
opm
ent a
s
11
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 9
Ove
Aru
p &
Par
tner
s Lt
d
wel
l as
dire
ctin
g tr
affic
ont
o un
suita
ble
loca
l roa
ds; t
he h
ybrid
sch
eme
was
con
side
red
unac
cept
able
.
A n
ew h
ybrid
sce
nario
(H
ybri
d 2
), w
ith a
dditi
onal
cap
acity
at t
he
Bry
ngla
s T
unne
ls a
nd a
ssoc
iate
d w
iden
ing,
rep
laci
ng th
e m
otor
way
tolli
ng m
easu
re in
the
first
hyb
rid, w
as s
ubse
quen
tly c
onsi
dere
d an
d co
nclu
ded
that
it, a
long
with
the
M4
Rel
ief R
oad,
pro
vide
d a
via
ble
optio
n fo
r pr
ovid
ing
relie
f to
the
M4
arou
nd N
ewpo
rt.
In J
anua
ry 2
002,
the
Firs
t Min
iste
r an
d th
e M
inis
ter
for
Env
ironm
ent
disc
arde
d H
ybrid
2 a
nd p
ut th
e M
4 R
elie
f Roa
d on
hol
d pe
ndin
g th
e ou
tcom
e of
the
Wal
es S
patia
l Pla
n.
CA
F R
evie
w
Fol
low
ing
the
Min
iste
rial a
nnou
ncem
ent (
Dec
embe
r 20
04)
that
the
New
M4
Pro
ject
, was
bei
ng m
oved
to P
hase
2 o
f the
Tru
nk R
oad
For
war
d P
rogr
amm
e A
rup
was
ask
ed to
rev
iew
the
CA
F w
ork.
Pro
ject
Ob
ject
ives
: T
he C
AF
Stu
dy u
sed
the
Sta
ge 2
Com
mis
sion
obje
ctiv
es (
Box
2.3
) an
d th
e ov
er a
rchi
ng N
AT
A o
bjec
tives
from
the
‘New
Dea
l for
Tra
nspo
rt’ t
hat s
et o
ut n
atio
nal t
rans
port
pol
icy
at th
e tim
e (1
997)
. K
ey o
bjec
tives
for
the
New
M4
Pro
ject
are
as
set o
ut in
B
ox 2
.4 a
nd, n
otw
ithst
andi
ng th
e re
-cas
ting
of o
bjec
tives
, the
mai
n
prob
lem
that
bot
h se
ts o
f obj
ectiv
es a
re ta
rget
ed a
t sol
ving
has
not
ch
ange
d –
tack
ling
the
effe
cts
of in
crea
sing
con
gest
ion
on th
e ex
istin
g m
otor
way
.
Nat
ion
al T
ran
spo
rt P
olic
y: T
he C
AF
Stu
dy w
as c
omm
issi
oned
in
1997
. Sin
ce th
en, t
here
has
bee
n de
volu
tion
in W
ales
and
a g
ener
al
shift
in tr
ansp
ort p
olic
y st
atem
ents
tow
ards
gre
ater
sus
tain
abili
ty.
For
exam
ple,
the
draf
t Wal
es T
rans
port
Str
ateg
y (C
onne
ctin
g W
ales
Jul
y 20
06)
has
thre
e th
emes
:
• T
o ac
hiev
e a
mor
e ef
fect
ive
and
effic
ient
tran
spor
t sys
tem
.
• T
o ac
hiev
e gr
eate
r us
e of
the
mor
e su
stai
nabl
e an
d he
alth
y fo
rms
of tr
avel
.
• T
o m
inim
ise
the
need
for
trav
el.
To
llin
g/C
har
gin
g:
Sin
ce th
e C
AF
wor
k, L
ondo
n ha
s im
plem
ente
d a
Con
gest
ion
Cha
rge
sche
me
and
the
M6
Tol
l has
bee
n op
ened
; oth
er
sche
mes
are
pla
nned
. The
Sco
ttish
Exe
cutiv
e’s
rece
ntly
pub
lishe
d
Tra
nspo
rt S
trat
egy
cons
ider
s th
e in
trod
uctio
n of
roa
d ch
argi
ng
sche
mes
. Lo
cally
, SE
WT
A (
the
Sou
th E
ast W
ales
Tra
nspo
rt
Alli
ance
) is
cur
rent
ly s
eeki
ng c
onsu
ltanc
y bi
ds fo
r a
stud
y in
to “
Pric
ing
Roa
d U
se a
nd it
s R
egio
nal I
mpa
ct”
. Mor
e re
cent
ly th
e E
ddin
gton
T
rans
port
Stu
dy (
Dec
embe
r 20
06)
advo
cate
s, in
ter
alia
, a n
atio
nal
road
pric
ing
sche
me.
Thi
s ra
ises
the
ques
tions
as
to w
heth
er th
e
Ass
embl
y’s
reje
ctio
n of
Hyb
rid 1
in 2
000,
on
the
grou
nds
of th
e un
acce
ptab
ility
of t
ollin
g th
e M
4, w
ould
be
the
case
tod
ay a
nd
whe
ther
, if C
AF
was
und
erta
ken
now
, a h
ybrid
sce
nario
incl
udin
g
regi
onal
roa
d pr
icin
g w
ould
be
test
ed.
Clim
ate
Ch
ang
e Im
pac
ts:
The
glo
bal d
ebat
e on
clim
ate
chan
ge is
muc
h m
ore
prom
inen
t tha
n w
as th
e ca
se d
urin
g th
e C
AF
Stu
dy.
Inde
ed, t
he S
tern
Rev
iew
to G
over
nmen
t (O
ctob
er 2
006)
on
the
econ
omic
s of
clim
ate
chan
ge h
ighl
ight
s th
e ne
ed fo
r ur
gent
nat
iona
l ac
tion
to li
mit
carb
on e
mis
sion
s th
roug
h m
easu
res
such
as
“the
pollu
ter
payi
ng”
and
beha
viou
ral c
hang
e.
New
po
rt’s
Gro
wth
Str
ateg
y: A
t the
tim
e of
the
CA
F S
tudy
, New
port
had
a pl
an b
ased
on
cons
olid
atio
n w
here
as N
ewpo
rt is
cur
rent
ly
plan
ning
a g
row
th s
trat
egy.
The
CA
F d
eman
d m
anag
emen
t m
easu
res
as d
evel
oped
in 1
997
wou
ld r
esul
t in
incr
ease
s in
traf
fic o
n th
e lo
cal r
oad
netw
ork
in N
ewpo
rt a
s pe
ople
trie
d to
avo
id th
e to
lled
mot
orw
ay (
the
exis
ting
M4)
. Thi
s co
uld
conf
lict w
ith N
ewpo
rt’s
pla
ns
for
grow
th u
nles
s al
tern
ativ
e m
eans
of t
rans
port
wer
e pr
ovid
ed.
How
ever
, the
pos
sibl
e in
trod
uctio
n of
som
e de
gree
of t
raffi
c re
stra
int
in th
e ar
ea th
roug
h a
regi
onal
roa
d pr
icin
g sc
hem
e m
ight
not
hav
e th
is d
isad
vant
age.
Co
nst
ruct
ion
Co
sts:
Con
stru
ctio
n co
sts
have
ris
en s
igni
fican
tly
sinc
e th
e ea
rlier
CA
F w
ork
and
wou
ld a
ffect
the
com
para
tive
asse
ssm
ent b
etw
een
optio
ns.
12
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 10
O
ve A
rup
& P
artn
ers
Ltd
On
the
basi
s of
a q
ualit
ativ
e as
sess
men
t of t
he a
bove
cha
nge
fact
ors
it is
gen
eral
ly c
onsi
dere
d th
at b
road
ly s
imila
r te
chni
cal c
oncl
usio
ns
wou
ld h
ave
been
rea
ched
now
on
the
optio
ns th
at w
ere
deve
lope
d an
d te
sted
at t
he ti
me.
How
ever
, tho
se o
rigin
al o
ptio
ns w
ere
deve
lope
d so
me
nine
yea
rs a
go a
nd n
atio
nal v
iew
s on
how
to d
eal
with
traf
fic c
onge
stio
n (ie
incr
easi
ng e
mph
asis
on
the
need
for
char
ging
), a
nd th
e ne
ed to
lim
it C
O2
emis
sion
s, h
ave
alte
red.
If C
AF
was
to b
e un
dert
aken
now
, an
impo
rtan
t sce
nario
re
com
men
ded
for
test
ing
wou
ld b
e lik
ely
to in
clud
e tr
affic
res
trai
nt
thro
ugh
a re
gion
al r
oad
pric
ing
sche
me,
toge
ther
with
enh
ance
men
t
to o
ther
mod
es.
Thi
s m
ight
add
ress
the
cong
estio
n is
sue
on th
e ex
istin
g M
4 m
otor
way
, yet
not
hav
e th
e di
sadv
anta
ge o
f the
orig
inal
hy
brid
of i
ncre
asin
g tr
affic
els
ewhe
re in
the
netw
ork.
3.3
Tra
nsit
ion
to W
elT
AG
Wel
TA
G p
rovi
des
guid
ance
on
the
plan
ning
and
app
rais
al o
f tr
ansp
ort i
nter
vent
ions
; key
prin
cipl
es a
re th
at th
e pr
oces
s sh
ould
be
obje
ctiv
e-le
d an
d su
bjec
t to
part
icip
atio
n, p
artic
ular
ly in
the
plan
ning
st
age
of p
robl
em id
entif
icat
ion.
Whe
n th
e sc
hem
e w
as r
e-ac
tivat
ed in
200
4 tr
ansp
ort a
ppra
isal
guid
ance
was
alre
ady
avai
labl
e in
Eng
land
and
Sco
tland
. In
the
inte
rim p
erio
d, p
endi
ng p
ublic
atio
n of
Wel
TA
G, t
he g
uida
nce
for
Wal
es, t
he T
rans
port
Dire
ctor
ate
advi
sed
that
Sco
ttish
gui
danc
e
(ST
AG
) -
whi
ch h
ad a
lread
y iro
ned
out s
ome
conc
erns
rai
sed
by
GO
MM
MS
in E
ngla
nd -
sho
uld
be u
sed
to in
form
ana
lysi
s of
the
New
M
4 pr
ojec
t.
ST
AG
indi
cate
d th
at it
was
not
inte
nded
that
the
guid
ance
be
used
to
appr
aise
any
pro
ject
that
had
alre
ady
reac
hed
an a
dvan
ced
stag
e of
pl
anni
ng w
hen
the
draf
t con
sulta
tion
guid
ance
was
issu
ed in
Jul
y 20
01. W
elT
AG
, stil
l in
cons
ulta
tion
form
at, a
dvis
es th
at u
sers
sho
uld
adop
t Wel
TA
G a
s so
on a
s po
ssib
le.
It w
ill b
e th
e pu
rpos
e of
the
Wor
ksho
p to
exa
min
e th
e pr
opos
ed
appr
oach
and
con
firm
or
not,
the
proc
edur
al s
uita
bilit
y of
the
reco
mm
ende
d w
ay fo
rwar
d.
3.4
App
licat
ion
of W
elT
AG
to
New
M4
Pro
ject
Pla
nnin
g S
tage
The
app
roac
h to
the
Pla
nnin
g S
tage
is s
umm
aris
ed in
Wel
TA
G a
s fo
llow
s:
The
pla
nnin
g pr
oces
s ha
s to
sta
rt fr
om p
robl
ems
and
oppo
rtun
ities
, th
en s
et o
bjec
tives
, the
n id
entif
y th
e be
st w
ays
of a
chie
ving
thes
e.
An
impo
rtan
t im
plic
atio
n of
this
is th
at th
e pl
anne
r ha
s to
con
side
r a
dive
rse
rang
e of
alte
rnat
ives
, and
not
sta
rt fr
om a
n im
plic
it ob
ject
ive
of p
rom
otin
g a
part
icul
ar p
ropo
sal.
In a
pply
ing
Wel
TA
G r
egar
d ha
s to
be
mad
e to
the
fact
that
the
Min
iste
r fo
r E
cono
mic
Dev
elop
men
t and
Tra
nspo
rt in
Dec
embe
r 20
04
anno
unce
d th
at th
e m
otor
way
sch
eme
was
bei
ng m
oved
to P
hase
2
of th
e T
runk
Roa
d F
orw
ard
Pro
gram
me
(sch
emes
whi
ch c
ould
be
read
y by
Apr
il 20
10).
Sin
ce th
at ti
me
maj
or fa
talit
ies
on th
e M
4 at
New
port
pro
mpt
ed Ie
uan
Wyn
Jon
es, D
eput
y F
irst M
inis
ter,
on
19 S
epte
mbe
r 20
07 to
re-
stat
e
the
Ass
embl
y G
over
nmen
t’s c
omm
itmen
t to
deliv
ery
of th
e ro
ad
sche
me
by 2
013.
Giv
en th
is s
tate
of p
rogr
ess
on a
nd c
omm
itmen
t to
the
proj
ect,
the
Wel
TA
G P
lann
ing
Sta
ge w
ill o
f nec
essi
ty b
e a
reco
nsid
erat
ion
and
valid
atio
n pr
oces
s, d
raw
ing
on th
e pr
evio
us C
omm
on A
ppra
isal
F
ram
ewor
k (C
AF
) st
udy
– a
com
para
ble
asse
ssm
ent p
roce
ss. T
hat
The
abo
ve h
as c
hart
ed h
ow n
ew p
lann
ing
and
appr
aisa
l tec
hniq
ues
have
bee
n us
ed to
aid
pla
nnin
g an
d in
form
dec
isio
n-m
akin
g on
the
New
M4
Pro
ject
and
evi
denc
es h
ow a
n ob
ject
ives
-led
mul
ti cr
iteria
ana
lysi
s of
m
ulti-
mod
al o
ptio
ns, h
as b
een
appl
ied
to a
ddre
ss c
onge
stio
n on
the
M4
arou
nd N
ewpo
rt .
CA
F a
ntic
ipat
ed th
e in
trod
uctio
n of
Wel
TA
G b
y
utili
sing
the
sam
e fu
ndam
enta
l app
roac
h an
d pr
inci
ples
.
13
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 11
O
ve A
rup
& P
artn
ers
Ltd
stud
y id
entif
ied
cert
ain
shor
tcom
ings
(pr
imar
ily e
nviro
nmen
tal a
nd
soci
al)
in th
e pe
rfor
man
ce o
f the
Rel
ief R
oad,
lead
ing
to a
n in
dica
tion
by th
e M
inis
ter
that
the
New
M4
proj
ect w
ould
incl
ude
mea
sure
s co
mpl
emen
tary
to r
oad
build
ing.
Suc
h re
cons
ider
atio
n of
the
fund
amen
tal i
ssue
s an
d ob
ject
ives
, how
ever
, will
be
via
the
proc
esse
s de
fined
in W
elT
AG
In k
eepi
ng w
ith W
elT
AG
the
part
icip
atio
n of
sta
keho
lder
s is
an
esse
ntia
l fea
ture
; the
Ass
embl
y G
over
nmen
t has
indi
cate
d, h
owev
er,
that
for
this
sta
ge, i
nvol
vem
ent s
houl
d be
lim
ited
to a
void
con
fusi
on
over
the
stat
us o
f the
pro
ject
.
The
nat
ure
of th
e W
orks
hop
exer
cise
(fo
r w
hich
this
bac
kgro
und
info
rmat
ion
is p
rovi
ded)
is p
rimar
ily, t
here
fore
, tha
t of s
eeki
ng to
co
nfirm
pre
viou
s as
sum
ptio
ns a
nd o
bjec
tives
and
test
ing
thos
e
conc
lusi
ons
usin
g th
e ne
w W
elT
AG
app
roac
h, r
athe
r th
an b
eing
an
oppo
rtun
ity to
rec
onsi
der
or r
evok
e pr
evio
us c
omm
itmen
ts.
Prob
lem
Val
idat
ion
Agr
eem
ent o
n th
e pr
oble
m is
fund
amen
tal a
nd d
etai
ls to
info
rm
disc
ussi
on a
re p
rovi
ded
in S
ectio
n 4
follo
win
g.
The
“pr
oble
m”
is v
ario
usly
exp
ress
ed in
Ass
embl
y pl
ans,
pol
icie
s an
d
prog
ram
mes
and
pre
viou
s ob
ject
ives
for
the
sche
me.
In e
ssen
ce it
ha
s be
en c
hara
cter
ised
as
jour
ney
time
unre
liabi
lity
due
to in
crea
sed
cong
estio
n an
d ca
paci
ty li
mita
tions
on
the
exis
ting
mot
orw
ay a
nd
east
-wes
t tra
nspo
rt li
nks;
this
pro
blem
is id
entif
ied
as “
one
of th
e ke
y ch
alle
nges
affe
ctin
g th
e so
cial
, eco
nom
ic a
nd e
nviro
nmen
tal w
ell-
bein
g of
Wal
es”
in th
e W
ales
Tra
nspo
rt S
trat
egy
(Con
sulta
tion
July
2006
):
Ris
ing
traf
fic le
vels
hav
e le
d to
incr
ease
d le
vels
of c
onge
stio
n an
d de
terio
ratio
n in
jour
ney
time
relia
bilit
y. W
hile
muc
h of
our
net
wor
k
is c
onge
stio
n-fr
ee fo
r a
larg
e pa
rt o
r al
l of t
he d
ay, s
igni
fican
t pr
oble
ms
exis
t on
stra
tegi
c ro
utes
suc
h as
the
M4
and
also
in m
ain
urba
n ce
ntre
s. U
nrel
iabi
lity
mea
ns th
at m
ore
time
need
s to
be
plan
ned
for
jour
neys
, whi
ch is
a p
artic
ular
pro
blem
for
busi
ness
es
and
frei
ght o
pera
tors
. Fig
ure
3.2
show
s th
e se
ctio
ns o
f the
M4
in
Wal
es th
at e
xper
ienc
e co
nges
tion,
whe
n ve
hicl
e flo
ws
are
com
pare
d w
ith in
dica
tive
Con
gest
ion
Ref
eren
ce F
low
val
ues
for
2-la
ne a
nd 3
-lane
mot
orw
ays.
Impr
ovem
ents
are
alre
ady
unde
rway
or a
re p
lann
ed to
add
ress
con
gest
ion
on th
e M
4 in
Sou
th W
ales
.
Wor
k to
dat
e co
nfirm
s th
e ca
paci
ty p
robl
em o
n th
e tw
o la
ne s
ectio
n ar
ound
New
port
(S
ee S
ectio
n 4)
.
Tran
spor
t Pl
anni
ng O
bjec
tive
s
A s
take
hold
er w
orks
hop
was
hel
d in
Jul
y 20
05 w
hich
initi
ated
a
proc
ess
culm
inat
ing
in a
dra
ft se
t of S
MA
RT
obj
ectiv
es fo
r th
e
sche
me
– Ja
nuar
y 20
07 (
repr
oduc
ed in
Sec
tion
5) w
hich
hav
e be
en
agre
ed w
ith T
rans
port
Wal
es.
Giv
en th
e tim
e th
at h
as e
laps
ed s
ince
initi
al s
take
hold
er e
ngag
emen
t
the
Wel
TA
G w
orks
hop
will
be
used
as
a fo
llow
-up
to te
st th
e le
vel o
f su
ppor
t for
the
obje
ctiv
es p
ropo
sed.
The
app
roac
h to
furt
her
part
icip
atio
n on
the
obje
ctiv
es fo
r th
e pr
ojec
t (fo
r in
stan
ce E
LG)
can
be e
xam
ined
at t
he W
orks
hop
sess
ion.
Issu
es p
ertin
ent t
o th
e di
scus
sion
of T
rans
port
Pla
nnin
g O
bjec
tives
are
set
out
in S
ectio
n 5
follo
win
g.
An
exer
cise
was
und
erta
ken
in D
ecem
ber
2006
whi
ch te
sted
the
degr
ee o
f fit
betw
een
the
obje
ctiv
es o
f the
New
M4
proj
ect a
nd th
ose
used
in C
AF
. It i
s su
mm
aris
ed in
the
Tab
le a
t App
endi
x C
and
indi
cate
s a
clos
e co
rrel
atio
n be
twee
n th
e ob
ject
ives
use
d, s
uffic
ient
to
satis
fy th
e te
st th
at th
e pr
ojec
t und
erw
ent a
ppra
isal
in c
onfo
rmity
with
th
e su
bseq
uent
ly d
evel
oped
Wel
TA
G a
ppro
ach
at a
vita
l sta
ge in
plan
ning
and
prio
r to
the
Min
iste
rial a
nnou
ncem
ent.
The
prin
cipa
l are
as in
whi
ch th
e C
AF
app
roac
h w
as le
ss e
xpan
sive
th
an W
elT
AG
(ha
d it
been
in p
lace
) re
late
to th
e de
gree
of
part
icip
atio
n an
d th
e ex
tent
of s
ocia
l im
pact
exa
min
atio
n –
thes
e as
pect
s w
ill b
e pi
cked
up
in p
rogr
essi
ng th
e pr
ojec
t und
er W
elT
AG
.
14
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 12
O
ve A
rup
& P
artn
ers
Ltd
Tran
spor
t So
luti
ons/
Scen
ario
s
As
part
of t
he p
lann
ing
stag
e an
d de
term
inin
g w
hat w
ill p
ass
thro
ugh
the
first
filte
r in
to S
tage
1, a
gree
men
t will
be
soug
ht o
n th
e pa
ckag
e of
mea
sure
s w
hich
mak
e up
the
New
M4
proj
ect (
road
bui
ldin
g sc
enar
io).
A fi
rst p
ass
on s
uita
ble
asso
ciat
ed m
easu
res
agai
nst a
prel
imin
ary
set o
f Wel
TA
G o
bjec
tives
has
bee
n co
nduc
ted
but t
he
wor
k is
sub
ject
to c
ompl
etio
n. E
ssen
tially
thes
e m
easu
res
are
aim
ed
at im
prov
ing
the
soci
al in
tegr
atio
n an
d en
viro
nmen
tal p
erfo
rman
ce o
f
the
sche
me
thro
ugh
the
enco
urag
emen
t of n
on c
ar m
odes
faci
litat
ed
by th
e m
otor
way
bui
ldin
g.
In a
dditi
on, g
iven
the
findi
ngs
of C
AF
that
a h
ybrid
of c
ar r
estr
aint
and
publ
ic tr
ansp
ort m
easu
res
coul
d ad
dres
s th
e pr
oble
m a
nd th
e C
AF
re
view
rec
omm
enda
tion
to c
onsi
der
a sc
enar
io in
corp
orat
ing
regi
onal
ro
ad p
ricin
g, a
n ap
prop
riate
sce
nario
will
be
deve
lope
d to
rep
lace
CA
F H
ybrid
2.
Stra
tegi
c Pe
rfor
man
ce C
ompa
riso
n
The
com
posi
tion
of th
e ro
ad-b
uild
ing
scen
ario
, a h
ybrid
bas
ed o
n
publ
ic tr
ansp
ort a
nd c
ar r
estr
aint
(us
ing
regi
onal
roa
d pr
icin
g) a
nd a
ny
othe
r fe
asib
le s
cena
rio w
hich
mig
ht e
mer
ge, w
ill b
e su
bjec
ted
to a
st
rate
gic
com
paris
on o
f per
form
ance
to v
erify
the
optio
n(s)
for
test
ing
in W
elT
AG
Sta
ge 1
.
The
bas
elin
e sc
enar
io, f
or u
se a
s a
com
para
tor,
will
be
the
“do
min
imum
” (b
usin
ess
as u
sual
) sc
enar
io. O
ther
sce
nario
s ad
opte
d fo
r
com
para
tor
purp
oses
at t
his
and
subs
eque
nt s
tage
s, s
ubje
ct to
ag
reem
ent,
may
be:
• T
he M
4 R
elie
f Roa
d
• M
4 M
aint
enan
ce S
cena
rio –
to te
st th
e im
plic
atio
ns o
f maj
or
mai
nten
ance
wor
ks2 .
2 A r
epor
t is
curr
ently
bei
ng d
rafte
d by
Aru
p en
title
d T
he C
onse
quen
ces
of D
oing
Not
hing
on
the
M4
Cor
ridor
aro
und
New
port
.
Rep
orti
ng
The
prin
cipa
l out
put o
f thi
s st
age
will
be
a co
mbi
ned
Pla
nnin
g an
d A
ppra
isal
Rep
ort c
over
ing:
• T
he p
robl
em a
nd o
ppor
tuni
ties
• T
rans
port
pla
nnin
g ob
ject
ives
• P
ossi
ble
solu
tions
and
sift
ing
• D
efin
ition
of o
ptio
ns
• O
ptio
ns d
evel
opm
ent a
nd te
stin
g
To
som
e ex
tent
rep
ortin
g w
ill c
over
, in
grea
ter
deta
il, m
uch
the
sam
e gr
ound
as
this
doc
umen
t sin
ce it
wou
ld b
e in
appr
opria
te a
nd
disi
ngen
uous
to p
rese
nt th
e pl
anni
ng o
f the
sch
eme
with
out r
efer
ence
to
the
plan
ning
and
app
rais
al w
ork
that
has
bee
n do
ne to
dat
e.
As
indi
cate
d ab
ove,
the
focu
s of
this
sta
ge o
f Wel
TA
G w
ill b
e to
brin
g re
leva
nt p
revi
ous
wor
k up
-to-
date
and
atte
nd to
gap
s w
hich
hav
e ar
isen
from
pol
icy
deve
lopm
ent,
attit
udin
al c
hang
e or
adv
ance
men
t in
appr
aisa
l tec
hniq
ues
and/
or b
asel
ine
know
ledg
e.
Sta
ge 1
App
rais
al
Usi
ng th
e fin
ding
s of
the
prec
edin
g st
age,
one
or
mor
e op
tions
whi
ch
will
be
appr
aise
d in
acc
orda
nce
with
the
requ
irem
ents
of W
elT
AG
ag
ains
t the
tran
spor
t obj
ectiv
es a
nd W
elsh
impa
ct a
reas
. Tes
ting
for
deliv
erab
ility
and
the
eval
uatio
n of
ris
ks w
ill fo
rm p
art o
f the
Sta
ge 1
ap
prai
sal,
draw
ing
on o
ngoi
ng w
ork
in th
is a
rea
whe
re it
exi
sts.
The
ext
ent o
f par
ticip
atio
n at
this
sta
ge w
ill b
e a
mat
ter
for
disc
ussi
on
and
agre
emen
t – h
avin
g re
gard
to a
war
enes
s of
the
sche
me
and
info
rmat
ion
prov
isio
n to
dat
e.
Econ
omic
Impa
cts
The
re a
re tw
o co
mpo
nent
s to
be
addr
esse
d –
tran
spor
t eco
nom
ic
effic
ienc
y (T
EE
) an
d co
nseq
uenc
es to
the
loca
l, re
gion
al a
nd n
atio
nal
15
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 13
O
ve A
rup
& P
artn
ers
Ltd
econ
omy.
Giv
en th
e na
tiona
l obj
ectiv
es fo
r th
e pr
ojec
t, th
ere
will
be
cons
ider
able
focu
s on
the
pred
icte
d ec
onom
ic o
utco
mes
.
Envi
ronm
enta
l Im
pact
s
The
follo
win
g to
pics
will
be
cove
red
in a
ccor
danc
e w
ith th
e S
tage
1
appr
aisa
l met
hodo
logy
set
out
in W
elT
AG
:
• N
oise
• Lo
cal a
ir qu
ality
• G
reen
hous
e ga
s em
issi
ons
• La
ndsc
ape
and
tow
nsca
pe
• B
iodi
vers
ity
• S
oil
• H
erita
ge
• W
ater
env
ironm
ent
Soci
al Im
pact
s
Wel
TA
G r
equi
res
the
follo
win
g im
pact
s (t
otal
ity a
nd d
istr
ibut
ion)
to b
e co
nsid
ered
, gen
eral
ly q
ualit
ativ
ely
at S
tage
1:
• T
rans
port
saf
ety
• P
erso
nal s
ecur
ity
• P
erm
eabi
lity
• P
hysi
cal f
itnes
s
• S
ocia
l inc
lusi
on
Ris
ks a
nd R
epor
ting
The
prin
cipa
l iss
ue fo
r S
tage
1 in
app
rais
al a
nd r
epor
ting
will
be
the
leve
l of u
nder
stan
ding
and
dat
a av
aila
ble
in r
espe
ct o
f eac
h op
tion;
for
the
road
bui
ldin
g sc
enar
io a
con
side
rabl
e bo
dy o
f inf
orm
atio
n is
al
read
y av
aila
ble.
For
oth
er s
cena
rios
info
rmat
ion
may
nee
d to
be
deve
lope
d an
d th
ere
will
be
cons
ider
able
rel
ianc
e pl
aced
on
the
econ
omic
, env
ironm
enta
l and
acc
essi
bilit
y fin
ding
s de
rived
from
the
tran
spor
t mod
el.
The
out
put f
rom
Sta
ge 1
will
info
rm d
efin
ition
of t
he s
chem
e or
optio
ns to
be
test
ed a
t Sta
ge 2
and
find
ings
will
be
tabu
late
d in
a
Sta
ge 1
App
rais
al S
umm
ary
Tab
le (
AS
T).
Ful
l rep
ortin
g w
ill b
e as
sp
ecifi
ed in
Wel
TA
G.
Sta
ge 2
App
rais
al
Thi
s is
a m
ore
inte
nsiv
e, d
etai
led
and
quan
titat
ive
appr
aisa
l of t
he
deve
lopi
ng s
chem
e, w
here
in:
• tr
ansp
ort i
mpa
cts
will
be
mod
elle
d;
• tr
ansp
ort e
cono
mic
effi
cien
cy c
aptu
red,
toge
ther
with
impa
cts
upon
loca
l/reg
iona
l eco
nom
ic p
erfo
rman
ce;
• en
viro
nmen
tal i
mpa
ct w
ill b
e te
sted
in r
espe
ct o
f noi
se, a
ir qu
ality
, lan
dsca
pe, b
iodi
vers
ity, h
erita
ge a
nd w
ater
;
• so
cial
impa
cts
in r
elat
ion
to s
afet
y, s
ecur
ity,
acce
ssib
ility
/per
mea
bilit
y, p
hysi
cal f
itnes
s an
d in
clus
iven
ess
will
be
ana
lyse
d.
Ful
l rep
ortin
g w
ill b
e as
spe
cifie
d in
Wel
TA
G, i
nclu
ding
a S
tage
2
AS
T. T
he p
rimar
y re
port
at S
tage
2 w
ill b
e th
e A
ppra
isal
Rep
ort w
hich
is
like
ly to
incl
ude
anne
xed
repo
rtin
g (t
o be
agr
eed)
on
mod
el
valid
atio
n an
d fo
rcas
ting;
eco
nom
ic a
sses
smen
t, en
viro
nmen
tal
asse
ssm
ent,
soci
al in
clus
ion
or a
cces
sibi
lity
asse
ssm
ent,
toge
ther
w
ith a
mon
itorin
g an
d ev
alua
tion
plan
.
3.5
Rel
ated
App
rais
als
Wel
TA
G a
ppra
isal
will
var
ious
ly c
oinc
ide
with
and
ove
rlap
othe
r
asse
ssm
ents
of t
he N
ew M
4 P
roje
ct e
g D
MR
B.
16
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 14
O
ve A
rup
& P
artn
ers
Ltd
4 P
robl
ems
4.1
Exi
stin
g P
robl
em
The
M4
arou
nd N
ewpo
rt d
oes
not c
onfo
rm to
pre
sent
mot
orw
ay
stan
dard
s. I
t lac
ks a
con
tinuo
us h
ard
shou
lder
, has
clo
sely
spa
ced
junc
tions
with
sub
-sta
ndar
d sl
ip r
oad
visi
bilit
y an
d na
rrow
s to
a
rest
ricte
d tw
o la
ne s
ectio
n th
roug
h th
e B
ryng
las
Tun
nels
. H
eavy
co
nges
tion
occu
rs a
long
this
str
etch
, and
eith
er s
ide
of it
, at p
eak
hour
s. T
raffi
c fo
reca
sts
indi
cate
that
the
mot
orw
ay is
alre
ady
at o
r ne
ar c
apac
ity a
nd if
not
hing
is d
one,
traf
fic c
onge
stio
n an
d tr
affic
re
late
d pr
oble
ms
will
incr
ease
.
Con
gest
ion
on th
e M
4 ar
ound
New
port
The
Wal
es S
patia
l Pla
n ad
opte
d by
the
Ass
embl
y G
over
nmen
t on
17
Nov
embe
r 20
04 r
ecog
nise
d th
e ex
istin
g pr
oble
m b
y co
nfirm
ing
that
ther
e w
as a
nee
d fo
r ad
ditio
nal c
apac
ity o
n th
e M
4 in
Sou
th W
ales
as
part
of t
he w
ider
inte
grat
ed tr
ansp
ort s
trat
egy
for
Sou
th E
ast W
ales
.
4.2
Con
sequ
ence
s of
Doi
ng N
othi
ng
In A
rup’
s dr
aft r
epor
t for
Tra
nspo
rt W
ales
on
the
cons
eque
nces
of
doin
g no
thin
g (R
efer
ence
2),
the
prob
lem
and
con
sequ
ence
s ar
e su
mm
arily
cha
ract
eris
ed a
s fo
llow
s:
17
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 15
O
ve A
rup
& P
artn
ers
Ltd
4.3
Evi
denc
e B
ase
Hig
h T
raff
ic D
eman
d
The
cur
rent
traf
fic fl
ows
on th
e M
4 in
dica
te th
at tr
affic
gro
wth
in th
e pa
st h
as b
een
high
er th
an e
xpec
ted.
In
2001
, tra
ffic
fore
cast
s w
ere
mad
e fo
r th
e M
4 ar
ound
New
port
for
2007
. C
ompa
rison
of t
he
obse
rved
200
6 da
ily fl
ows
agai
nst t
he fo
reca
st 2
007
daily
flow
s sh
ows
that
traf
fic g
row
th in
the
inte
rven
ing
year
s ha
s be
en h
ighe
r
than
pre
dict
ed.
Tra
ffic
Flo
ws
on
M4
aro
un
d N
ewp
ort
SE
CT
ION
OF
M4
OB
SE
RV
ED
DA
ILY
T
RA
FF
IC F
LO
W IN
20
06
(Veh
icle
s/d
ay)
2001
TR
AF
FIC
F
OR
EC
AS
TS
* F
OR
20
07
(Veh
icle
s/d
ay)
J24
– J2
5 10
2,00
0 94
,000
J25
– J2
6 78
,000
70
,000
* P
repa
red
as p
art o
f the
M4
Rel
ief R
oad
Stu
dies
The
obs
erve
d pe
ak h
our
traf
fic fl
ows3 h
ave
been
com
pare
d ag
ains
t
the
theo
retic
al c
apac
ity o
f an
urba
n m
otor
way
4 . T
his
has
show
n th
at,
durin
g pe
ak p
erio
ds, e
xist
ing
traf
fic fl
ows
reac
h up
to 9
8% o
f th
eore
tical
cap
acity
.
It is
gen
eral
ly r
ecog
nise
d th
at tr
affic
con
ditio
ns d
eter
iora
te w
hen
traf
fic fl
ows
reac
h ar
ound
80%
of t
heor
etic
al c
apac
ity w
ith d
elay
s oc
curr
ing
durin
g so
me
peak
per
iods
. P
eak
perio
d tr
affic
flow
s on
the
M4
arou
nd N
ewpo
rt r
egul
arly
exc
eed
80%
of t
heor
etic
al c
apac
ity a
nd
peak
per
iod
cong
estio
n on
the
M4
arou
nd N
ewpo
rt o
ccur
s re
gula
rly
3 Aut
omat
ic T
raffi
c C
ount
(A
TC
) da
ta fr
om M
arch
200
7 4 D
esig
n M
anua
l for
Roa
ds a
nd B
ridge
s, V
olum
e 5,
Sec
tion
1, P
art 3
, TA
79/
99 “
Tra
ffic
Cap
acity
of
Urb
an R
oads
”
on w
eekd
ays
thro
ugho
ut th
e ye
ar, b
ut e
spec
ially
dur
ing
scho
ol te
rm
time.
Obs
erve
d P
atte
rns
Sta
ff at
the
Sou
th W
ales
Tra
ffic
Con
trol
Cen
tre
wer
e in
terv
iew
ed w
ith
a vi
ew to
asc
erta
inin
g w
hat m
ight
be
cons
ider
ed ‘t
ypic
al’ (
with
out
inci
dent
s) tr
affic
con
ditio
ns o
n th
e M
4 be
twee
n ju
nctio
ns 2
3 an
d 29
. T
heir
obse
rvat
ions
are
rep
orte
d fu
lly e
lsew
here
and
illu
stra
ted
in th
e
follo
win
g ph
otog
raph
s.
Mo
rnin
g P
eak
Ho
ur:
Qu
eues
on
wes
tbo
un
d a
pp
roac
h f
rom
Ju
nct
ion
25
to B
ryn
gla
s T
un
nel
s
Mo
rnin
g P
eak
Ho
ur:
Qu
eues
eas
tbo
un
d o
n M
alp
as S
trai
gh
t ex
ten
din
g t
o
Jun
ctio
n 2
7
18
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 16
O
ve A
rup
& P
artn
ers
Ltd
Eve
nin
g P
eak
Ho
ur:
Eas
tbo
un
d q
ueu
es o
n a
pp
roac
h t
o J
un
ctio
n 2
6
Tra
ffic
Spe
eds
The
gra
ph il
lust
rate
s th
e av
erag
e re
cord
ed s
peed
of t
raffi
c on
Mal
pas
Str
aigh
t, be
twee
n ju
nctio
ns 2
7 an
d 26
in th
e ea
stbo
und
dire
ctio
n du
ring
the
even
ing
peak
for
a ra
ndom
ly s
elec
ted
wee
k in
Mar
ch 2
007.
It
indi
cate
s th
at tr
affic
spe
eds
vary
qui
te d
ram
atic
ally
, with
spe
eds
drop
ping
sig
nific
antly
at t
imes
, esp
ecia
lly o
n a
Frid
ay w
here
the
spee
ds d
ropp
ed to
bel
ow 4
0kph
(25
mph
) –
in c
ompa
rison
with
the
inte
rpea
k av
erag
e of
abo
ut 1
00 to
110
kph
(63
to 7
0mph
).
Ave
rag
e S
pee
d o
n M
alp
as S
trai
gh
t (J2
7-J2
6)P
M P
eak
Eas
tbo
un
dW
eek
Co
mm
enci
ng
05
Mar
ch 2
007
020406080100
120 16
:3016
:4016
:5017
:0017
:1017
:2017
:3017
:4017
:5018
:0018
:1018
:20
Tim
e
Speed (kph)
-5515253545556575
Speed (mph)
Mon
day
Tues
day
Wed
nesd
ay
Thur
sday
Frid
ay
Mon
day
Tues
day
Wed
nesd
ay
Thur
sday
Frid
ay
Pea
k S
prea
d
In a
dditi
on to
hig
her
traf
fic v
olum
es, e
xam
inat
ion
of th
e pe
aks
indi
cate
s th
at th
e am
pea
k st
arts
ear
lier
and
that
the
pm p
eak
last
s lo
nger
in 2
007
com
pare
d to
199
7.
Acc
iden
ts
Acc
iden
t dat
a fo
r th
e pe
riod
2002
to 2
005
indi
cate
s th
at th
e M
4 se
ctio
n J2
4 to
J28
has
an
acci
dent
rat
e w
hich
is h
igh
com
pare
d w
ith
aver
age
valu
es fo
r a
road
of i
ts ty
pe. T
he s
ubst
anda
rd a
lignm
ents
,
high
con
cent
ratio
n of
junc
tions
, abs
ence
of c
ontin
uous
har
d sh
ould
er
and
ever
yday
con
gest
ion
cont
ribut
e to
this
hig
her
than
ave
rage
oc
curr
ence
of a
ccid
ents
. W
hen
an a
ccid
ent o
ccur
s qu
eues
and
dela
ys b
uild
up
quic
kly
and
can
take
a lo
ng ti
me
to d
issi
pate
.
Co
ng
esti
on
du
e to
Acc
iden
t b
etw
een
Ju
nct
ion
s 29
an
d 2
8 E
astb
ou
nd
A fa
tal a
ccid
ent i
nvol
ving
a lo
rry
on 2
Aug
ust 2
007
resu
lted
in c
losu
re
of th
e m
otor
way
for
appr
oxim
atel
y te
n ho
urs.
The
ens
uing
cong
estio
n fr
om th
e cl
osur
e sa
w s
ome
road
use
rs s
tran
ded
on th
e m
otor
way
for
seve
ral h
ours
and
the
cost
to th
e ec
onom
y is
est
imat
ed
at £
seve
ral m
illio
ns.
Frei
ght
Ope
rato
rs
Sur
veys
on
the
M4
indi
cate
that
Hea
vy G
oods
Veh
icle
s (H
GV
s)
acco
unt f
or 1
2-15
% o
f tra
ffic.
A s
elec
tion
of fr
eigh
t rep
rese
ntat
ives
,
19
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 17
O
ve A
rup
& P
artn
ers
Ltd
haul
iers
and
tran
spor
t man
ager
s fo
r re
tail
orga
nisa
tions
wer
e
inte
rvie
wed
abo
ut th
eir
use
of th
e M
4. T
he m
ajor
ity o
f vie
ws
wer
e ne
gativ
e, c
hara
cter
isin
g th
e M
4 ar
ound
New
port
as
cong
este
d,
unre
liabl
e an
d un
safe
, affe
ctin
g ju
st-in
-tim
e de
liver
y an
d dr
iver
wor
king
hou
r re
stric
tions
.
4.4
Maj
or M
aint
enan
ce
To
date
, mai
nten
ance
has
bee
n ca
rrie
d ou
t at n
ight
and
at o
ther
off-
peak
tim
es to
min
imis
e th
e tr
affic
impa
ct.
How
ever
, sig
nific
ant
inve
stm
ent w
ill b
e ne
eded
in th
e ne
ar fu
ture
to e
nsur
e th
e co
ntin
ued
safe
and
effe
ctiv
e op
erat
ion
of th
e ro
ute.
Thi
s w
ill in
clud
e m
aint
enan
ce a
nd r
efur
bish
men
t wor
ks a
s pa
rt o
f the
nat
ural
life
cycl
e of
the
rout
e su
ch a
s ca
rria
gew
ay in
-lays
and
rec
onst
ruct
ion,
toge
ther
with
re-
wat
erpr
oofin
g an
d jo
int r
epla
cem
ent t
o th
e st
ruct
ures
.
Spe
cific
ally
, the
tunn
els
at B
ryng
las
requ
ire s
ubst
antia
l mai
nten
ance
an
d im
prov
emen
t wor
k to
mai
ntai
n sa
fe o
pera
tions
and
to c
ompl
y
with
the
curr
ent E
U D
irect
ive
for
the
min
imum
saf
ety
stan
dard
s in
tu
nnel
s. A
num
ber
of o
ther
str
uctu
res
are
near
ing
the
end
of th
eir
serv
icea
ble
life
and
will
nee
d re
plac
emen
t or
subs
tant
ive
impr
ovem
ents
.
The
se w
orks
hav
e ye
t to
be p
rogr
amm
ed b
ut it
is a
ntic
ipat
ed th
at th
ey
will
take
som
e 3-
4 ye
ars
to c
ompl
ete,
if u
nder
take
n se
quen
tially
.
Giv
en th
e ne
twor
k av
aila
bilit
y an
d bu
dget
ary
cons
trai
nts
curr
ently
im
pose
d on
Tra
nspo
rt W
ales
, it i
s co
nsid
ered
that
the
wor
k is
like
ly to
be
pro
gram
med
ove
r a
perio
d of
8-1
0 ye
ars.
The
nat
ure
of th
e w
orks
, tog
ethe
r w
ith la
yout
con
stra
ints
, will
in
evita
bly
nece
ssita
te d
aytim
e re
stric
tions
for
both
car
riage
way
s ov
er
a pr
olon
ged
perio
d, r
angi
ng fr
om la
ne a
nd s
lip r
oad
clos
ures
to fu
ll
carr
iage
way
clo
sure
s, d
iver
sion
s an
d co
ntra
flow
arr
ange
men
ts. T
he
criti
cal l
engt
h is
the
two
lane
sec
tion
betw
een
junc
tions
25
and
26; i
t in
clud
es th
e B
ryng
las
tunn
els,
Mal
pas
Via
duct
and
the
brid
ges
acro
ss
the
Riv
er U
sk.
20
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 18
O
ve A
rup
& P
artn
ers
Ltd
5 T
rans
port
Pla
nnin
g O
bjec
tive
s
5.1
Gui
danc
e
Wel
tAG
has
the
follo
win
g to
say
abo
ut th
e se
tting
of T
rans
port
P
lann
ing
Obj
ectiv
es:
“The
y m
ust b
e fr
amed
in s
uch
a w
ay th
at it
is c
lear
that
they
rel
ate
dire
ctly
to th
e id
entif
ied
prob
lem
s an
d op
port
uniti
es, t
heir
succ
ess
can
be te
sted
in a
con
sist
ent m
anne
r, a
nd b
e su
ffici
ently
det
aile
d to
en
able
the
com
para
tive
asse
ssm
ent o
f diff
eren
t opt
ions
. T
estin
g
agai
nst t
he tr
ansp
ort p
lann
ing
obje
ctiv
es is
des
igne
d to
ena
ble
the
plan
ner
to id
entif
y th
e pr
opos
al(s
) w
hich
bes
t add
ress
es th
e id
entif
ied
prob
lem
s, a
nd w
hich
sho
uld
ther
efor
e be
dev
elop
ed a
nd a
ppra
ised
so th
at a
t a la
ter
stag
e it
can
be p
ropo
sed
for
fund
ing
or a
ppro
val.”
In a
dditi
on o
bjec
tives
mus
t com
ply
with
SM
AR
T p
rinci
ples
:
Sp
ecif
ic, i
n th
at it
will
say
in p
reci
se te
rms
wha
t is
soug
ht (
e.g.
a
10%
red
uctio
n in
ave
rage
veh
icle
del
ay o
n a
give
n le
ngth
of r
oad)
;
Mea
sura
ble
, in
that
ther
e w
ill e
xist
mea
ns to
est
ablis
h to
stak
ehol
ders
' sat
isfa
ctio
n w
heth
er o
r no
t the
obj
ectiv
e ha
s be
en
achi
eved
(e.
g. a
red
uctio
n in
the
quan
tity
of P
M10
pre
sent
in th
e at
mos
pher
e);
Att
ain
able
, in
that
ther
e is
gen
eral
agr
eem
ent t
hat t
he o
bjec
tive
set
can
be r
each
ed;
Rel
evan
t, in
that
the
obje
ctiv
e is
a s
ensi
ble
indi
cato
r or
pro
xy fo
r th
e
chan
ge w
hich
is s
ough
t (e.
g. a
pro
port
ion
of d
evel
opm
ent t
o ta
ke
plac
e on
"br
own-
field
site
s" a
s a
prox
y fo
r m
inim
isin
g th
e da
mag
e of
th
e na
tura
l env
ironm
ent b
y la
nd u
se d
evel
opm
ent)
; and
Tim
ed, i
n th
at th
e ob
ject
ive
will
be
asso
ciat
ed w
ith a
n ag
reed
futu
re
poin
t by
whi
ch it
will
hav
e be
en m
et.
5.2
New
M4
Dra
ft O
bjec
tive
s
The
dra
ft tr
ansp
ort o
bjec
tives
der
ived
from
ear
lier
wor
k (3
.4 r
efer
s)
are
set o
ut b
elow
and
pro
vide
the
basi
s fo
r Wor
ksho
p di
scus
sion
. E
ach
will
be
test
ed a
gain
st th
e S
MA
RT
prin
cipl
es.
The
“tim
e” e
lem
ent i
s ef
fect
ivel
y im
pose
d by
the
deliv
ery
date
s in
m
inis
teria
l ann
ounc
emen
ts a
nd c
omm
itted
pro
gram
mes
ie a
vaila
bilit
y by
201
3.
1.
Impr
ove
the
aver
age
jour
ney
time
unde
r no
rmal
ope
ratin
g co
nditi
ons
by a
t lea
st 1
0%
2.
Red
uce
the
No.
of i
ncid
ents
/wee
k by
at l
east
50%
3.
Incr
ease
car
sha
ring
and
PT
jour
neys
dur
ing
peak
trav
el ti
mes
by
X jo
urne
ys/d
ay
4. R
educ
e th
e nu
mbe
r of
frei
ght v
ehic
les
on th
e ex
istin
g M
4 by
at
leas
t 20%
, whi
lst m
aint
aini
ng o
r in
crea
sing
the
tonn
age
of
frei
ght t
hrou
gh th
e co
rrid
or
5. I
ncre
ase
the
num
ber
of jo
bs w
ithin
30
min
utes
trav
el ti
me
by
car
and/
or 6
0 m
inut
es tr
avel
tim
e by
PT
6. I
ncre
ase
the
num
ber
of r
esid
ents
with
in a
30
min
utes
trav
el
time
by c
ar a
nd/o
r 60
min
utes
trav
el ti
me
by P
T
7. R
educ
e th
e ne
gativ
e im
pact
of t
rans
port
on
the
loca
l en
viro
nmen
t.
8. R
educ
e th
e co
ntrib
utio
n of
tran
spor
t to
gree
nhou
se g
as
emis
sion
s.
9. R
educ
e th
e ne
gativ
e im
pact
of t
rans
port
on
our
herit
age.
10. R
educ
e ne
gativ
e im
pact
s of
tran
spor
t on
biod
iver
sity
and
incr
ease
pos
itive
impa
cts.
21
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 19
O
ve A
rup
& P
artn
ers
Ltd
11. E
nsur
e th
at fu
ture
tran
spor
t net
wor
ks a
re a
dapt
ed to
cop
e w
ith
clim
ate
chan
ge, s
peci
fical
ly te
mpe
ratu
re in
crea
se a
nd fl
ood
risk.
12.
Red
uce
the
acci
dent
rat
e to
at o
r be
low
nat
iona
l ave
rage
acci
dent
rat
es.
13.
Mai
ntai
n or
impr
ove
the
oppo
rtun
ity fo
r jo
urne
ys m
ade
on
brid
lew
ays,
cyc
lew
ays
and
foot
path
s.
The
env
ironm
enta
l obj
ectiv
es (
7 –
10)
are
base
d on
the
envi
ronm
enta
l out
com
es fr
om th
e W
ales
Tra
nspo
rt S
trat
egy
(con
sulta
tion
July
200
6).
22
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 20
O
ve A
rup
& P
artn
ers
Ltd
App
endi
x A
Wor
ksho
p A
gend
a
1.
Intr
od
uct
ion
– C
hair
• P
urpo
se o
f Wor
ksho
p
2.
Sce
ne
Set
tin
g:
Evo
luti
on
of
New
M4
(po
tted
his
tory
) –
TW
•
early
stu
dies
•
rout
e op
tions
and
pub
lic c
onsu
ltatio
ns
• pr
efer
red
rout
e de
velo
pmen
t •
New
M4
Pro
ject
3.
Co
nfi
rmat
ion
of
Ap
pro
ach
to
Evo
lved
Wel
TA
G -
Aru
p •
NA
TA
/GO
MM
MS
•
CA
F
• tr
ansi
tion
to W
elT
AG
•
appl
icat
ion
• o
utc
om
e: c
on
firm
atio
n o
f ap
pro
ach
4.
Pro
ble
ms
– A
rup
• pr
evio
usly
iden
tifie
d pr
oble
ms
• co
nseq
uenc
es o
f doi
ng N
othi
ng R
epor
t •
evid
ence
bas
e •
ou
tco
me:
pro
ble
m v
alid
atio
n
5.
T
ran
spo
rt P
lan
nin
g O
bje
ctiv
es –
Aru
p •
Spe
cific
•
Mea
sura
ble
• A
ttain
able
•
Rel
evan
t •
Tim
ed
• dr
aft T
PO
s fo
r di
scus
sion
•
ou
tco
me:
ag
reed
TP
Os
6.
C
lose
of
Wo
rksh
op
by
Cha
ir •
Wor
ksho
p re
port
ing
• P
lann
ing
Sta
ge R
epor
t •
Wha
t hap
pens
nex
t
23
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 21
O
ve A
rup
& P
artn
ers
Ltd
App
endi
x B
CA
F O
bjec
tive
s
Env
iron
men
t
En
viro
nm
ent
Ob
ject
ive
1:T
raffi
c no
ise
leve
ls in
the
vici
nity
of t
rans
port
atio
n
infr
astr
uctu
re a
re m
inim
ised
(E
O1)
.
En
viro
nm
ent
Ob
ject
ive
2:T
otal
gre
enho
use
gas
emis
sion
s fr
om tr
ansp
ort a
re
min
imis
ed (
EO
2).
En
viro
nm
ent
Ob
ject
ive
3:A
ny in
crea
se in
the
acid
ifica
tion
load
ing
due
to tr
ansp
ort i
s
min
imis
ed (
EO
3).
En
viro
nm
ent
Ob
ject
ive
4:E
mis
sion
s fr
om tr
ansp
ort a
ffect
ing
loca
l air
qual
ity a
re
min
imis
ed (
EO
4).
En
viro
nm
ent
Ob
ject
ive
5:M
inim
ise
adve
rse
chan
ge in
des
igna
ted
or h
isto
ric
land
scap
es (
EO
5).
En
viro
nm
ent
Ob
ject
ive
6:M
inim
ise
any
adve
rse
effe
cts
on th
e in
tegr
ity o
f
desi
gnat
ed s
ites
of n
atio
nal i
mpo
rtan
ce (
EO
6).
En
viro
nm
ent
Ob
ject
ive
7:M
inim
ise
adve
rse
effe
cts
upon
loca
lly d
esig
nate
d si
tes
of
irrep
lace
able
val
ue (
EO
7).
En
viro
nm
ent
Ob
ject
ive
8:M
inim
ise
adve
rse
affe
cts
on th
e in
tegr
ity o
f nat
iona
lly
desi
gnat
ed s
ites
of c
ultu
ral h
erita
ge (
EO
8).
En
viro
nm
ent
Ob
ject
ive
9:M
inim
ise
any
incr
ease
in th
e su
scep
tibili
ty o
f lan
d us
e
activ
ities
to fl
ood
risks
(E
O9)
.
En
viro
nm
ent
Ob
ject
ive
10:T
o re
duce
com
mun
ity s
ever
ance
or
conf
lict b
etw
een
mot
oris
ed a
nd n
on-m
otor
ised
trav
elle
rs (
EO
10).
En
viro
nm
ent
Ob
ject
ive
11:M
inim
ise
the
need
for
prop
erty
dem
oliti
on o
r la
nd ta
ke
(EO
11).
En
viro
nm
ent
Ob
ject
ive
12:M
axim
ise
supp
ort t
o tr
ansp
orta
tion,
land
use
pla
nnin
g,
envi
ronm
enta
l sus
tain
abili
ty a
nd h
ealth
pol
icie
s (E
O12
).
En
viro
nm
ent
Ob
ject
ive
13:M
inim
ise
the
amou
nt o
f ene
rgy
cons
umed
by
the
tran
spor
tatio
n ne
twor
k (E
O13
).
En
viro
nm
ent
Ob
ject
ive
14:T
o m
inim
ise
risk
of e
xten
sive
cons
truc
tion
dist
urba
nce
to s
ensi
tive
feat
ures
(E
O14
).
Tra
nspo
rt
Tra
nsp
ort
Ob
ject
ive
1:T
o pr
ovid
e re
lief f
rom
the
antic
ipat
ed e
ffect
s
of in
crea
sing
traf
fic o
n th
e M
4 m
otor
way
aro
und
New
port
bet
wee
n
Mag
or a
nd C
astle
ton
(T1)
Tra
nsp
ort
Ob
ject
ive
2:T
o av
oid
adve
rse
traf
fic im
pact
on
the
tran
spor
t net
wor
k of
New
port
(T
2)
Tra
nsp
ort
Ob
ject
ive
3:T
o re
duce
rel
ianc
e on
the
priv
ate
car
(T3)
Tra
nsp
ort
Ob
ject
ive
4:T
o re
duce
gro
wth
in th
e le
ngth
of m
otor
ised
jour
neys
(T
4)
Tra
nsp
ort
Ob
ject
ive
5:T
o im
prov
e sa
fety
for
road
use
rs (
T5)
Tra
nsp
ort
Ob
ject
ive
6:T
o pr
omot
e ac
cess
ibili
ty to
eve
ryda
y fa
cilit
ies
for
all,
espe
cial
ly th
ose
with
out a
car
(T
6)
Tra
nsp
ort
Ob
ject
ive
7:T
o pr
omot
e th
e ef
ficie
nt a
nd r
elia
ble
mov
emen
t of f
reig
ht (
T7)
To
impr
ove
trav
elle
rs’ j
ourn
ey ti
me
relia
bilit
y (T
8)
24
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
Pag
e 22
O
ve A
rup
& P
artn
ers
Ltd
25
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
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4 IN
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AT
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-50
RE
PO
RT
S\4
-50-
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RK
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2.D
OC
Pag
e 23
O
ve A
rup
& P
artn
ers
Ltd
App
endi
x C
Cor
rela
tion
bet
wee
n N
ew M
4 an
d C
AF
Obj
ecti
ves
26
27
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
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49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
O
ve A
rup
& P
artn
ers
Ltd
Dra
ft 3
31
Jan
uary
200
6
28
Tra
nspo
rt W
ales
N
ew M
4 P
roje
ctR
e-ex
amin
atio
n of
Rou
te C
orrid
ors
: Wor
ksho
p In
form
atio
n P
ack
J:\1
1700
0\11
7300
-00\
4 IN
T P
RO
J D
AT
A\4
-50
RE
PO
RT
S\4
-50-
49 W
ELT
AG
\WO
RK
SH
OP
PA
CK
2.D
OC
O
ve A
rup
& P
artn
ers
Ltd
Dra
ft 3
31
Jan
uary
200
6
29
