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In: Civil Engineering

Flow on a particular day is approximately 2,000 vph. At 10:00 AM, an incident occurs which...

Flow on a particular day is approximately 2,000 vph. At 10:00 AM, an incident occurs which reduces capacity to 1,600 vph. The incident is cleared 45 minutes later and the flow returns to the normal capacity of 2,400 vph. (a) Draw the fundamental diagram. (b) Draw a time-space diagram that shows the evolution of traffic. (c) Assuming there are no ramps upstream, what are the speeds of the forming and clearing shock waves of the queue upstream of the incident? (d) Assuming that the demand does not change, compute the duration in which the maximum flow of 2,400 vph is observed at the location of the incident.

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Ally Wells answered 2 years ago
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