Engineering Fundamentals
6th Edition
ISBN: 9780357112144
Author: Saeed Moaveni
Publisher: MISC PUBS
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Chapter 1.2, Problem 4BYG
To determine
Give the examples of the changes that are continuously reshaping the way of life.
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Question 3 (15pt) A traffic signal control is being designed for a four-leg intersection on a
divided highway with the characteristics show in the table below. Determine an appropriate
length of the yellow interval for each approach. (assuming the average vehicle length is 20ft,
and the perception-reaction time is 1.0 sec, and deceleration rate of 11.2ft/sec²)
Median width (ft)
Number of 12ft lanes on
each approach
Design speed (mph)
Grade
North South approaches East West Approaches
18
3
45
0
10
2
35
3.5
SPEED
LIMIT
45
18ft
SPEED
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45
5
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