Traffic and Highway Engineering - With Mindtap
5th Edition
ISBN: 9781305360990
Author: Garber
Publisher: CENGAGE L
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Chapter 8, Problem 28P
To determine
Compare and contrast the different metering system that used in traffic signal ramp control and conditions for each of them.
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Compare and contrast the different metering systems that are used in traffic-signal ramp control indicating under what conditions you will use each.
QUESTION 1
The approaches of a 4-leg signalized intersection are configured with 1 NB lane, 1 SB lane, 1 EB lane, and 1 WB lane and each of these
lanes serves LT, TH, and RT movements. The following volumes and phasing are provided.
approach EB
WB
NB
SB
movement LT TH RT LT TH RT LT TH RT LT TH RT
volume
120 480 160 80 560 100 20 200 40 12 160 48
2
6
What is the critical sum for the EB/WB barrier?
Please calculate the level of service and delay for the westbound left lane group, the westbound approach, and the whole intersection. I provided LOS chart for reference.
Chapter 8 Solutions
Traffic and Highway Engineering - With Mindtap
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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