An accident on a freeway of constant flow (arrival rate) of 2430 vehicles per hour occurred at a point X closing the freeway to all morning traffic at 07h00. At 07h15 the freeway is partially opened with a capacity of 1900 vehicles per hour. Finally, the wreckage is removed and, the freeway is restored to a full capacity of 4200 vehicles per hour at 07h35. Assuming a deterministic queue model, ● (i) graphically illustrate the above traffic flow information (ii) determine the following: - time of queue dissipation - longest queue length - total delay - average delay per vehicle - longest wait of any vehicle, assuming a first-in-first-out departure scenario.
An accident on a freeway of constant flow (arrival rate) of 2430 vehicles per hour occurred at a point X closing the freeway to all morning traffic at 07h00. At 07h15 the freeway is partially opened with a capacity of 1900 vehicles per hour. Finally, the wreckage is removed and, the freeway is restored to a full capacity of 4200 vehicles per hour at 07h35. Assuming a deterministic queue model, ● (i) graphically illustrate the above traffic flow information (ii) determine the following: - time of queue dissipation - longest queue length - total delay - average delay per vehicle - longest wait of any vehicle, assuming a first-in-first-out departure scenario.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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An accident on a freeway of constant flow (arrival rate) of 2430 vehicles per
hour occurred at a point X closing the freeway to all morning traffic at 07h00.
At 07h15 the freeway is partially opened with a capacity of 1900 vehicles per
hour. Finally, the wreckage is removed and, the freeway is restored to a full
capacity of 4200 vehicles per hour at 07h35. Assuming a deterministic queue
model,
(i) graphically illustrate the above traffic flow information
(ii) determine the following:
- time of queue dissipation
ongest queue length
- total delay
average delay per vehicle
- longest wait of any vehicle, assuming a first-in-first-out departure
scenario.
-
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