Question

As an engineer you are responsible to in charge to conduct an experiment for this traffic flow analysis: At 2:00 P.M. a traffic accident closes a road to all traffic. At 2:15 P.M. the road is partially opened with a capacity (car departs) of 1,500 veh/h. Finally, the wreckage is removed, and the road is restored to full capacity (car departs) (3,500 veh/h) at 2:35. From 2:00 to 2:35, car arrives at a constant flow of 2,500 veh/h and then drops to 2,000 veh/h thereafter. Assume D/D/1 queuing to determine

1. Total delay: __________ veh-min

1. Longest vehicle delay under LIFO _________ min

1. Time of queue dissipation: ___________ min

Queue length at 60 min: ___________veh

1. Longest (max) wait of any vehicle (assuming FIFO): ____________min

1. Longest (max) queue length: ____________ veh

1. how a graphical representation of the solution and clearly label the parameters and axis with the appropriate units accordingly.

Answer 1

Queuing diagram is drawn.

Using arrival and departure curves important values are determined.

Then all the required are found out.

Solution is uploaded below.