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2009 Revisions to - Institute for Transportation · Use and placement of lane-use arrows •...
Transcript of 2009 Revisions to - Institute for Transportation · Use and placement of lane-use arrows •...
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2009 Revisions to
Markings
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Part 3 - Markings
• Chapter 3A – General
• Chapter 3B – Pavement and Curb Markings
• Chapter 3C – Roundabout Markings
• Chapter 3D – Markings for Preferential Lanes
• Chapter 3E – Markings for Toll Plazas
• Chapter 3F – Delineators
• Chapter 3G – Colored Pavements
• Chapter 3H – Channelizing Devices …..
• Chapter 3I – Islands
• Chapter 3J – Rumble Strip Markings
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Section 3A.02 – Temporary
masking of markings
• Allowed until old markings can be removed or
obliterated, but…
• Only with material that is “approximately the
same color as the pavement”
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Section 3A.05 – Colors
• Purple Markings – only as optional
supplement to lane lines or edge lines of toll
plaza approach lanes that are restricted to
vehicles with registered ETC accounts
• Blue RPMs – Not a TCD
– Removed from MUTCD, except for new Section 3B.11 Support statement describing their use by emergency personnel in locating fire hydrants
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Sections 3A.05 and 3B.11 – The side of an RPM visible to traffic
proceeding in the wrong direction
may be red, even on undivided
highways
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Section 3B.01
A single yellow center line marking on a
two-way roadway is specifically prohibited
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Sections 3B.02 and 3B.10
Minimum taper lengths for longitudinal lines
changed from Standard to Guidance
– Urban: 100 feet – Rural: 200 feet
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Section 3B.04
White Lane Line Markings
Dotted (not broken) lane lines shall be
used for non-continuing lanes:
- Lane drops (wide dotted)
- Auxiliary lanes (wide dotted)
- Acceleration lanes (normal width dotted)
- Deceleration lanes (normal width dotted)
Applies on freeways, expressways, and
conventional roads
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Lane drops on
freeways and
expressways
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Lane drops on
conventional roads
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Auxiliary lanes
between ramps
2 miles or
less
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Auxiliary lanes between
intersections
1 mile or less
Now to be
wide dotted
lane line
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Acceleration Lanes
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Deceleration Lanes
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Compliance date for replacing
existing broken lane lines with
dotted lane lines for
non-continuing lanes:
• December 31, 2016 or resurfacing,
whichever occurs first
• May be removed
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Section 3B.05 – Start and end points of
channelizing lines adjacent to neutral area
in exit ramp gore are now Standards
Channelizing
lines shall
end at the
physical
gore
Channelizing lines
shall start at the
theoretical gore
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Section 3B.05 – Start and end points of
channelizing lines adjacent to neutral area
in entrance ramp gore are now Standards
Channelizing lines for
tapered entrance ramps:
- shall start at the
physical gore*
- shall end at ½ the
distance from the
physical gore to the
theoretical gore
* OR shall
end at the
theoretical
gore
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Section 3B.09
Lane reduction markings (different from other non-continuing lanes)
• Lane line – NO CHANGE from 2003
• Lane reduction arrows should be used if speed limit is > 45 mph [new w/ 2009] – Not applicable to typical parallel accel. lanes,
but:
– May use lane-reduction arrows in long acceleration lanes based on engineering judgment
• OPTION to delete edge line and delineators in transition for low-speed urban locations with curbs [new w/ 2009]
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Section 3B.11 – Optional use of
RPMs around noses of raised
medians, curbs, or islands
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Section 3B.11 – Internally
illuminated RPMs shall be steadily
illuminated (not flashed)
If flashing, they are in-roadway lights and shall meet
Chapter 4N requirements and limitations on use
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Sections 3B.13 and 3B.14 – Guidance against use of RPMs with
right-hand edge lines has been softened for some conditions
Should not be used unless engineering
judgment indicates:
- benefits of enhanced delineation
outweigh possible impacts to
bicycles using shoulder, and
- spacing of RPMs is close enough to
avoid misinterpretation as a broken
line on wet night.
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Section 3B.16
Stop lines and yield lines • Stop lines shall not be used where drivers
are required by law to yield rather than come
to a full stop
• Yield lines should not be used in advance of
crosswalks across a roundabout approach
or departure
• Stop lines and yield
lines may be
“staggered” on a
lane-by-lane basis
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Section 3B.17 (new)
Do Not Block
Intersection
pavement
markings
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Section 3B.18 – Revised Guidance
for provision of marked crosswalks
• > 4 travel lanes,
• Speed limit > 40 mph, and
• ADT > 12,000 without raised
median or ped refuge, or >
15,000 with raised median or
ped refuge
New marked crosswalks alone, without other substantial
measures to reduce speeds, shorten crossing distance,
enhance driver awareness of crossing, and/or provide
active warning of ped presence should not be installed
across uncontrolled roadways with:
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Section 3B.20 –
Word, symbol,
and arrow
markings
Optional route shield pavement markings
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- Should be used:
Section 3B.20 –
Use and placement of lane-use arrows
• Revised guidance on conditions where
lane-use arrows should be used
• Placement of lane-use arrows:
• Min. 2 arrows should be used in a lane
• May delete downstream arrow if short
turn lane
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Section 3B.20 – “ONLY” markings Should be used for
“trap” lanes
Shall not be used for lane with
more than one movement
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Section 3B.20 – Recommended
use of arrows in two-way left-turn
lanes at certain locations
At start of lane and
elsewhere along lane as needed
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Section 3B.22 –
Speed reduction
markings added
as an Option
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Section 3B.24 –
Chevron and diagonal
crosshatch markings
< 45 mph: Min. 8” wide
> 45 mph: Min. 12” wide
30 – 45
degrees
+/-
Spacing: Engr. Judgment
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Sections
3B.25 and 3B.26
If speed hump markings or
advance speed hump
markings are used, they
shall be the markings
shown in the MUTCD
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New Chapter 3C
Pavement
markings
at
roundabouts
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Two-lane
roundabouts
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Three-lane
roundabouts
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Roundabouts
used at
interchanges
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Section 3C.06
Optional for
left-most lane
Match arrow(s)
with desired lane
use configuration
Normal arrows
Match arrow(s)
with desired lane
use configuration
Optional for
left-most lane
Fish-hook arrows
Optional fish-
hook lane-use
arrows for
approaches to
roundabouts
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New Chapter 3D – Markings for
preferential lanes Buffer-separated
Counter-flow
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New Chapter 3D –
Preferential lane
markings
Symbols, words,
dotted extension lines
at key decision points
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Optional purple
markings for ETC
account-only lanes
[Note: To be
reverse pattern of
that shown in the
photo – white
lane line with
purple borders]
New Chapter 3E
Markings for Toll Plazas
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Section 3F.03 –
Delineator
Application
Delineators should be used with
guardrails and other barriers
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Section 3F.03 – Delineators on
the left-hand side of a two-way
roadway shall be white
Shall match
color of edge line
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Section 3F.04 – Delineator
Placement and Spacing
Option for “ribbon”
delineation on the face of
guardrails or barriers
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Section 3G.01 – Colored pavements
Non-retroreflective, for
aesthetics only, not to
communicate a message
= not a TCD
Retroreflective or intended to
communicate a regulatory,
warning, or guidance
message = TCD
(shall comply with color code
and other provisions for
markings)
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Chapter 3H – Channelizing devices
used for emphasis of pavement
marking patterns
Outside of TTC zones, when channelizing
devices separate opposing traffic flows,
retroreflective bands shall be yellow
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Section 3I.03 – Neutral area
crosshatching on an approach to
an island changed from Standard
to Guidance
Crosshatching
is not always
practical or
necessary for
small pork chop
islands
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New Section 3I.06 – Pedestrian
islands and medians
Reference to
ADAAG regarding
detectable warning
surfaces to mark
the boundary
between
pedestrian and
vehicular areas
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New Chapter 3J –
Pavement markings
used with longitudinal and
transverse rumble strips
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Rumble stripes
An edge line shall not be used in addition to a
rumble stripe that is located along a shoulder
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Min. Retro-reflectivity for
Longitudinal Pavement Markings • Notice published 4/22/2010
– Improve nighttime visibility, especially
for older drivers
• Comments due by 8/20/2010
• FHWA is currently reviewing those comments
• Final Rule ??
• More background info on FHWA web site @
http://safety.fhwa.dot.gov/roadway_dept/night_visib/
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QUESTIONS ??