Question

Transportation Engineering

Problem 3 An incident occurs on a freeway that has a capacity of 3,500 veh/h in the northbound direction. The arrival flow rate was of 2,500 veh/h during the morning commute. At 7:30 AM, a traffic accident occurs which closes the freeway to all traffic. At 7:42 AM, freeway is partially opened with a capacity of 1,750 veh/h. Finally, the wreckage is removed, and the freeway is restored to full capacity (3500 veh/h) at 8:01 AM. Assume D/D/1 queuing to determine time of queue dissipation, longest queue length, total delay, average delay per vehicle, and the longest wait of any vehicle (assuming FIFO).

Answer 1

(age the. iven data 2500 Veh/h From ธิ 7.30/hmto in Am. SDO sbo vechile vechiles depaortad o Length of queue 5bo Vechila arrived S00x 6o с 2500 χο.316 3q Vechila deponture : 554

2 Queu 500 + จ91-554 121-554 37. rom 8ol am onuod had Increated to 35bo veh/ Capacity t to Copa cidy Trme taban to claor aueis D3500 2500)xt3 433 6 93 X 60 444.22 min 32 X5.5 4053.s me bu