Traffic And Highway Engineering
5th Edition
ISBN: 9781133605157
Author: Garber, Nicholas J., Hoel, Lester A.
Publisher: Cengage Learning,
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Question
Chapter 8, Problem 11P
To determine
For each approach determine the yellow interval length and howto provide it.
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10. For the intersection shown below draw a 3-phase traffic signal operation.
A traffic signal control is being designed for a four-leg intersection on a divided highway with the
characteristics shown in the table below. Assuming the average vehicle length L is 6m, Determine an
appropriate length of the yellow interval for each approach and how you will provide it. Use the
AASHTO recommended deceleration rate and perception-reaction time.
N-S Approaches E-W Approaches
Median width, (m)
6.
3
No. of 3.5 lanes
3
on each approach
Design speed, km/h
60
Grade
-3.5
2.
80
Two adjacent signalized intersections along a major arterial are 650 ft apart (stop line to stop line distance). If the space mean speed between these two intersections is 22 mph, what should be the signal offset of the downstream intersection relative to the upstream intersection?
Group of answer choices
20.0 sec
13.5 sec
40.0 sec
29.5 sec
Chapter 8 Solutions
Traffic And Highway Engineering
Ch. 8 - Prob. 1PCh. 8 - Prob. 2PCh. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - Prob. 7PCh. 8 - Prob. 8PCh. 8 - Prob. 9PCh. 8 - Prob. 10P
Ch. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - Prob. 16PCh. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - Prob. 27PCh. 8 - Prob. 28P
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