Q2: At grade intersection with width 15 m, controlled by 3 phases traffic signals. A percentile speed of approach traffic is 18 m/ sec. if you know that, lost time per phase 4 sec, available phase efficiency =0.65, the percentage of time at saturation level for each phase 33%, 37.5%, 29.5% respectively. Determine: a. the amber time for each phase. b. the time that the vehicle spent in each approach. Assume the length of standard vehicle 6 m. Approach 1 Controller green time (Sec.) 22 25 20 3, 2.

Q2: At grade intersection with width 15 m, controlled by 3 phases traffic signals. A percentile speed of approach traffic is 18 m/ sec. if you know that, lost time per phase 4 sec, available phase efficiency =0.65, the percentage of time at saturation level for each phase 33%, 37.5%, 29.5% respectively. Determine: a. the amber time for each phase. b. the time that the vehicle spent in each approach. Assume the length of standard vehicle 6 m. Approach 1 Controller green time (Sec.) 22 25 20 3, 2.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter8: Intersection Control

Section: Chapter Questions

Problem 14P

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