Advertisement
REGLEMENTARY WAITING TIME SCALE
2 LIGHTS ALTERNATING PROGRAMMING - BALANCED TRAFFIC
Low Traffic
(2000 cars/jour)
Medium Traffic
(2 to 5000 cars/jour)
Heavy Traffic
(5 to 8000 cars/jour)
Very Heavy Traffic
(8 to 11000 cars/jour)
*Full red = Time when both lights are red.
Waiting time = 2x full red + yellow
2 LIGHTS ALTERNATING PROGRAMMING - UNBALANCED TRAFFIC
Heavy Traffic
(5 à 8000 véh./jour)
Very Heavy Traffic
(8 to 11000 cars/jour)
Traffic Limit
(11 to 14000 cars/jour)
• Times are given in seconds.
• The crossed out sections represent impossible traffic combinations, in an alternating 2 lights
configuration on a work site.
Traffic Length
Full RED
Yellow
Yellow
Yellow
Yellow
Length
Full RED
Yellow with
traffic
Yellow against
traffic
Yellow with
traffic
Yellow against
traffic
Yellow with
traffic
Yellow against
traffic
With traffic
100m
200m
300m
12''
22''
32 ''
20''
20''
20''
30''
30''
36''
44''
66''
90''
130''
100m
200m
300m
12''
22''
32 ''
30''
44''
58''
20''
24''
32''
46''
72''
98''
26''
38''
50''
86''
45''
Against traffic
400m
500m
600m
42''
52''
62''
24''
28''
32''
46''
54''
112''
400m
500m
600m
42''
52''
62''
72''
38''
3
Advertisement
