An approach at a signalized intersection with a 60-second cycle gets 30 seconds of displayed green time. Yellow time is 4 seconds and all-red is 2 seconds (lost time is to be determined from standard assumptions). At the beginning of an effective red there are 4 vehicles in the queue and the saturation flow is 876 veh/h. The arrival rate is given by v(t) = 0.20 - 0.002t [with v(t) in veh/s and t in seconds after the beginning of the effective red]. What is the average vehicle delay for this approach in seconds at the end of the cycle (until the next effective red) that started with the 4 vehicles queued at the beginning of the effective red? (Assume D/D/1 queueing. Please provide you answer in decimal form without units)
An approach at a signalized intersection with a 60-second cycle gets 30 seconds of displayed green time. Yellow time is 4 seconds and all-red is 2 seconds (lost time is to be determined from standard assumptions). At the beginning of an effective red there are 4 vehicles in the queue and the saturation flow is 876 veh/h. The arrival rate is given by v(t) = 0.20 - 0.002t [with v(t) in veh/s and t in seconds after the beginning of the effective red]. What is the average vehicle delay for this approach in seconds at the end of the cycle (until the next effective red) that started with the 4 vehicles queued at the beginning of the effective red? (Assume D/D/1 queueing. Please provide you answer in decimal form without units)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![An approach at a signalized intersection with a 60-second cycle gets 30 seconds of displayed green time. Yellow time is
4 seconds and all-red is 2 seconds (lost time is to be determined from standard assumptions). At the beginning of an
effective red there are 4 vehicles in the queue and the saturation flow is 876 veh/h. The arrival rate is given by v(t) = 0.20
- 0.002t [with v(t) in veh/s and t in seconds after the beginning of the effective red]. What is the average vehicle delay for
this approach in seconds at the end of the cycle (until the next effective red) that started with the 4 vehicles queued at the
beginning of the effective red? (Assume D/D/1 queueing. Please provide you answer in decimal form without units)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd1b15b4a-ddfc-4c73-8335-bae73f7c13a4%2Fbde52604-9547-4658-8d5a-f1e65d652f56%2F0m1kh0v_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An approach at a signalized intersection with a 60-second cycle gets 30 seconds of displayed green time. Yellow time is
4 seconds and all-red is 2 seconds (lost time is to be determined from standard assumptions). At the beginning of an
effective red there are 4 vehicles in the queue and the saturation flow is 876 veh/h. The arrival rate is given by v(t) = 0.20
- 0.002t [with v(t) in veh/s and t in seconds after the beginning of the effective red]. What is the average vehicle delay for
this approach in seconds at the end of the cycle (until the next effective red) that started with the 4 vehicles queued at the
beginning of the effective red? (Assume D/D/1 queueing. Please provide you answer in decimal form without units)
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