SEJ Presentation to CIE Aust, 03-09

7/30/2019 SEJ Presentation to CIE Aust, 03-09

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CIE and Roadlighting

Steve Jenkins

Division 4 Representative

CIE Committees for Roadlighting

• TC4-33 Discomfort Glare in Road Lighting

• TC4-36 Visibility Design for Road Lighting

• TC 4-44 Management and Maintenance of

Road Lighting

• TC 4-48 White Light in Road Lighting

CIE 115:2008

• Lighting of Roads for Motor and Pedestrian Traffic

• Since CIE 115:1995, power consumption and

environmental aspects have become important. There have

been improvements in performance of lamps, luminaires

and electronic control gear.

• Now possible to introduce adaptive lighting for roads with

motorised traffic (M), conflict areas ( C) and pedestrian

traffic (P)

CIE 115:2008

• A structured model is developed for the

selection of the appropriate lighting

categories based on the luminance orilluminance concept.

• Then applying, eg, time dependent

variables like traffic volume or weatherconditions, the model offers the possibility

of using an adaptive system

Criteria for Road Lighting

• Roads for motor traffic – Luminance

• Conflict areas – Luminance/illuminance

concept (Eh)

• Pedestrian areas – illuminance concept (Eh

and Ev and Esc)

Criteria for Road Lighting

• Conflict Areas:

• When vehicle streams intersect each other

or with pedestrians, cyclists or others.

• Change in road geometry.

• Parking areas, toll stations

Lighting Classes

• Normal Lighting:

• That lighting category which is appropriate if the

same level is to be used throughout the hours of darkness.

• Adaptive Lighting:

•Temporal changes in parameters underconsideration when selecting Normal class could

allow relaxation of Normal levels.

Lighting Areas

• Motorised traffic, M, (for drivers of motorised

vehicles – luminance)

• Conflict areas, C, (where traffic streams

intersect, or run into areas with peds. cyclists, orthere is change in geometry or parking areas –

luminance or illuminance)

•Pedestrian and low speed areas, P, ( for needsof pedestrians – illuminance, H and V)

Lighting Categories (Luminance)

Category Lavge Uo Ul TI% SR

M1 2.0 0.40 0.70 10 0.5

M2 1.5 0.40 0.70 10 0.5M3 1.0 0.40 0.60 15 0.5

M4 0.75 0.40 0.60 15 0.5

M5 0.50 0.35 0.40 15 0.5

M6 0.30

(0.35)

0.35 0.40 20 0.5

AS/NZS 1158.1.1:2005

Conflict Areas (Illuminance)

Lighting Category Eavge Uo (E) TI% Highspeed

TI% lowspeed

C0 50 0.40 10 15

C1 30 0.40 10 15

C2 20 0.40 05 15

C3 15 0.40 15 20

C4 10 0.40 15 20C5 7.5 0.40 15 20

Conflict Areas, (Luminance)

M1 M2 M3 M4 M5 M6

2.0 1.5 1.0 0.75 0.50 0.30

C0 C1 C2 C3 C4 C5

Qo=0.05cd/m2/lxR4 (Mastic asphalt)

50 30 20 15 10 7.5

C0 C1 C2 C3 C4 C5

Qo=0.07cd/m2/lx

R3 (asphaltic concrete)

50 30 20 15 10 7.5

C0 C1 C2 C3 C4 C5

Qo=0.09cd/m2/lx

R1 (concrete)

50 30 20 15 10 7.5

Pedestrian and Low speed Areas, (Illuminance)

Cat. Avge

P1 15 3.0 5.0 3.0

P2 10 2.0 3.0 2.0

P3 7.5 1.5 2.5 1.5

P4 5.0 1.0 1.5 1.0P5 3.0 0.6 1.0 0.6

P6 2.0 0.4 0.6 0.4

Pedestrian and Low speed Areas, (Glare)

Lighting Category TI%

Pedestrian and Low speed Areas, (Glare)

Max. intensity in cd/klmGlare category 70o and above 80o and above 90o and above

G1 - 200 50

G2 - 150 30G3 - 100 20

G4 500 100 10

G5 350 100 10G6 350 100 <1

Model for M Categories

Parameter Options/WV WVSpeed VH/1, H/0.5, Mod/0 1Traf. Vol. VH/1, H/0.5, Mod/0, Low/-0.5, VL/-1 1Traf. Comp. Mixed with H non-M/2, Mix/1, Mot only/0

0Separation No/1, Yes/0 0Int. density H/1, Mod/0 0Parked Veh. Present/0.5, Not pres/0

0Ambient L H/1, Mod/0, Low/-1 1Vis Guid Poor/0.5, Mod to Good/0 0

Sum (SWV) 3

Model for M Categories

• Lighting category is

• M = 6 – SWV

• M = 6-3 =3

• If Category number is not a whole number,

use the next lower whole number

Model for C Categories

Parameter Options/WV WVSpeed VH/1, H/0.5, Mod/0 0.5Traf. Vol. VH/1, H/0.5, Mod/0, Low/-0.5, VL/-1 1Traf, Comp. Mixed with H non-M/2, Mix/1, Mot only/0

2Separation No/1, Yes/0 1Ambient L H/1, Mod/0, Low/-1 0Vis Guid Poor/0.5, Mod to Good/0

0Sum (SWV) 4.5

Model for C Categories

• Conflict Area category is

• C = 6 – SWV

• C = 6 - 4.5 =1.5

• If Category is not a whole number, use the

next lower whole number, then

• C = 1

Model for P CategoriesParameter Options WVSpeed Low/1, V. Low/0 1

Traff .Vol. VH/1, H/0.5, Mod/0,

Low/-0.5, v. Low/ -10

Traff. Comp. P+C+M/2, P+M/1, P+C/1,

P/0, C/02

Parked vehicles Pres/0.5, Not Pres./0 0.5

Ambient Lum. H/1, Mod/0, Low/-1

0Facial recognition Necessary Additional

requirements

SUM 3.5

Model for P Categories

• Pedestrian Area Category is:

• P = 6 – WV

• P = 6 - 3.5 = 2.5

• If Category is not a whole number, use the

next lower whole number, then

• P = 2

Implementing Adaptive LightingParameter On –

21:00 –

00:00 –

6:00 - Off

Speed 1 1 1 1Traff. Vol. 1 0 -1 1

Traff. Comp. 0 0 0 0

Separation 0 0 0 0Int. density 0 0 0 0

Parked vehicles 0 0 0 0

Ambient lum. 1 1 0 1Vis. Guidance 0 0 0 0

SUM 3 2 0 3

M = 6-SWV M3 M4 M6 M3

Implementing Adaptive Lighting

Category Lavge Uo Ul TI% SR

M1 2.0 0.40 0.70 10 0.5

M2 1.5 0.40 0.70 10 0.5M3 1.0 0.40 0.60 15 0.5

M4 0.75 0.40 0.60 15 0.5

M5 0.50 0.35 0.40 15 0.5

M6 0.30 0.35 0.40 20 0.5

Parameter On –

21:00 –

00:00 –

6:00 - Off

Speed 2 2 2 2

Traff. Vol. 1 0 0 1

Traff. composition 2 1 1 2Separation of

carriageways1 1 1 1

Ambient Lum. 0 0 -1 -1

Vis. guidance 0 0 0 0

SUM 6 4 3 5

C = 6-SWV C0 C2 C3 C1

Lighting Category Eavge Uo (E) TI% High

TI% low

C0 50 0.40 10 15

C1 30 0.40 10 15

C2 20 0.40 05 15

C3 15 0.40 15 20

C4 10 0.40 15 20

C5 7.5 0.40 15 20

Pedestrian and Low speed Areas, (Illuminance)

Cat. Avge

P1 15 3.0 5.0 3.0

P2 10 2.0 3.0 2.0

P3 7.5 1.5 2.5 1.5

P4 5.0 1.0 1.5 1.0P5 3.0 0.6 1.0 0.6

P6 2.0 0.4 0.6 0.4

Summary

• Proposes model for Adaptive Lighting• Weight important parameters for each time

period

Sum of the Weighting Values is related tothe Lighting category

• Only the quantitative variables change, thequalitative variables stay at the appropriateNormal lighting levels

SEJ Presentation to CIE Aust, 03-09

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