each direction. In one arriers at this crossing are lowered to in to pass. What is the probability tha icles? Assume no initial queue.
each direction. In one arriers at this crossing are lowered to in to pass. What is the probability tha icles? Assume no initial queue.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![A rural highway has one lane in each direction. In one direction V = 300 veh/hr/ln at a railroad
crossing. The barriers at this crossing are lowered to block vehicles for four minutes and 30
seconds for a train to pass. What is the probability that when the barrier is lifted, the queue has
exactly nine vehicles? Assume no initial queue.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbb7f1ce8-2552-49b5-ba1d-534a58de11ae%2F7da69589-01c9-49ee-9440-847360876ad7%2Fnmna56w_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A rural highway has one lane in each direction. In one direction V = 300 veh/hr/ln at a railroad
crossing. The barriers at this crossing are lowered to block vehicles for four minutes and 30
seconds for a train to pass. What is the probability that when the barrier is lifted, the queue has
exactly nine vehicles? Assume no initial queue.
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