If there is no pedestrian traffic, the yellow interval needed by northbound vehicles to clear the intersection travelling at a speed of 35 mph is:   Question 16 options:   4.6 sec   5.0 sec   4.75 sec   none of the above

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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If there is no pedestrian traffic, the yellow interval needed by northbound vehicles to clear the intersection travelling at a speed of 35 mph is:

 

Question 16 options:

 

4.6 sec

 

5.0 sec

 

4.75 sec

 

none of the above

 

 

Given the following intersection (the volumes are in veh/hr):
68'
92
673-
673
55'
ITA
523 69
CH
43 327 112
Approach
Pedestrian Volume 20
per interval
Lost time per phase
Vehicle deceleration rate, a
Length of vehicle
Effective crosswalk width
Pedestrian walking speed
Perception-reaction time
AZAO
North
South
34
770
770
East
37
West
37
4 sec
11.2 ft/sec²
20 ft
10 ft
3.5 ft/sec
1.0 sec
Transcribed Image Text:Given the following intersection (the volumes are in veh/hr): 68' 92 673- 673 55' ITA 523 69 CH 43 327 112 Approach Pedestrian Volume 20 per interval Lost time per phase Vehicle deceleration rate, a Length of vehicle Effective crosswalk width Pedestrian walking speed Perception-reaction time AZAO North South 34 770 770 East 37 West 37 4 sec 11.2 ft/sec² 20 ft 10 ft 3.5 ft/sec 1.0 sec
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