A four-lane highway has a normal capacity of 1800 vehicles per hour per lane. In the southbound direction, a vehicle disablement on the roadway shoulder occurs at 4:30 p.m. Due to rubbernecking, the capacity in the southbound direction is reduced to 1200 xch/h/lane at this time. At 4:45 p.m., the disabled vehicle is removed from the shoulder and the capacity increases to 1500 yeh/h/lane. At 5:00 p.m., the roadway capacity returns to its full value of 1800 xch/h/lane. From 4:30 p.m. until the queue clears the traffic flow rate in the southbound direction is 1600 xch/h/lane. What is the average delay per vehicle, the maximum queue length, and the average queue length in the southbound direction resulting from the incident (assuming D/D/1 queuing)?

A four-lane highway has a normal capacity of 1800 vehicles per hour per lane. In the southbound direction, a vehicle disablement on the roadway shoulder occurs at 4:30 p.m. Due to rubbernecking, the capacity in the southbound direction is reduced to 1200 xch/h/lane at this time. At 4:45 p.m., the disabled vehicle is removed from the shoulder and the capacity increases to 1500 yeh/h/lane. At 5:00 p.m., the roadway capacity returns to its full value of 1800 xch/h/lane. From 4:30 p.m. until the queue clears the traffic flow rate in the southbound direction is 1600 xch/h/lane. What is the average delay per vehicle, the maximum queue length, and the average queue length in the southbound direction resulting from the incident (assuming D/D/1 queuing)?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A four-lane highway has a normal capacity of 1800 vehicles per hour per lane. In the
southbound direction, a vehicle disablement on the roadway shoulder occurs at 4:30 p.m.
Due to rubbernecking, the capacity in the southbound direction is reduced to 1200
xsh/h/lane at this time. At 4:45 p.m., the disabled vehicle is removed from the shoulder
and the capacity increases to 1500 yeh/h/lane. At 5:00 p.m., the roadway capacity returns
to its full value of 1800 ysh/h/lane. From 4:30 p.m. until the queue clears the traffic flow
rate in the southbound direction is 1600 xsh/h/lane. What is the average delay per
vehicle, the maximum queue length, and the average queue length in the southbound
direction resulting from the incident (assuming D/D/1 queuing)?

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