Q.1 In the figure below, departures are presented in the time axis, Cycle length=100s At the beginning of green, 10 vehicles queued at the approach of a single lane road. 16 vehicles arrived at the approach during green interval. Determine the saturation headway, saturation flow rate, start-up lost time and capacity of the approach?

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter8: Intersection Control
Section: Chapter Questions
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Q.1 In the figure below, departures are presented in the time axis, Cycle length=100s
At the beginning of green, 10 vehicles queued at the approach of a single lane road. 16 vehicles
arrived at the approach during green interval. Determine the saturation headway, saturation flow
rate, start-up lost time and capacity of the approach?
Fourth vehicle departure: T=13 sec
Fifth vehicle departure: T=15 sec
Tenth vehicle departure: T=25 sec
-Start of green: T=0
First vehicle departure: T=4 sec
Second vehicle departure: T=8 sec
- Third vehicle departure: T=11 sec
Eleventh vehicle departure: T=28 sec
Twelfth vehicle departure: T=34 sec
- Thirteenth vehicle departure: T=42 sec
End of green: T-68 sec
Transcribed Image Text:Q.1 In the figure below, departures are presented in the time axis, Cycle length=100s At the beginning of green, 10 vehicles queued at the approach of a single lane road. 16 vehicles arrived at the approach during green interval. Determine the saturation headway, saturation flow rate, start-up lost time and capacity of the approach? Fourth vehicle departure: T=13 sec Fifth vehicle departure: T=15 sec Tenth vehicle departure: T=25 sec -Start of green: T=0 First vehicle departure: T=4 sec Second vehicle departure: T=8 sec - Third vehicle departure: T=11 sec Eleventh vehicle departure: T=28 sec Twelfth vehicle departure: T=34 sec - Thirteenth vehicle departure: T=42 sec End of green: T-68 sec
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