A freeway bottleneck location has a capacity of 5,000 veh/h. During a typical morning peak period, the actual demand flow rate arriving at the bottleneck is as follows: 7:00-8:00 AM 8:00-8:30 AM 8:30-9:30 AM 9:30-10:00 AM 4,500 veh/h 5,400 veh/h 6,000 veh/h 5,000 veh/h 4,500 veh/h 4,000 veh/h 10:00-11:00 AM After 11:00 AM a. Draw of graph of demand versus capacity for the situation described. b. What is the size of the queue upstream of the bottleneck at 8:30 AM, 9:30 AM, 10:00 AM, and 11:00 AM? c. At what time does the queue dissipate?
A freeway bottleneck location has a capacity of 5,000 veh/h. During a typical morning peak period, the actual demand flow rate arriving at the bottleneck is as follows: 7:00-8:00 AM 8:00-8:30 AM 8:30-9:30 AM 9:30-10:00 AM 4,500 veh/h 5,400 veh/h 6,000 veh/h 5,000 veh/h 4,500 veh/h 4,000 veh/h 10:00-11:00 AM After 11:00 AM a. Draw of graph of demand versus capacity for the situation described. b. What is the size of the queue upstream of the bottleneck at 8:30 AM, 9:30 AM, 10:00 AM, and 11:00 AM? c. At what time does the queue dissipate?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A freeway bottleneck location has a capacity of 5,000 veh/h. During a typical morning peak period, the
actual demand flow rate arriving at the bottleneck is as follows:
7:00-8:00 AM 4,500 veh/h
8:00-8:30 AM 5,400 veh/h
8:30-9:30 AM 6,000 veh/h
9:30-10:00 AM 5,000 veh/h
10:00-11:00 AM 4,500 veh/h
After 11:00 AM 4,000 veh/h
a. Draw of graph of demand versus capacity for the situation described.
b. What is the size of the queue upstream of the bottleneck at 8:30 AM, 9:30 AM, 10:00 AM, and
11:00 AM?
c. At what time does the queue dissipate?
Transcribed Image Text:A freeway bottleneck location has a capacity of 5,000 veh/h. During a typical morning peak period, the
actual demand flow rate arriving at the bottleneck is as follows:
7:00-8:00 AM
8:00-8:30 AM
8:30-9:30 AM
9:30-10:00 AM
4,500 veh/h
5,400 veh/h
6,000 veh/h
5,000 veh/h
4,500 veh/h
4,000 veh/h
10:00-11:00 AM
After 11:00 AM
a. Draw of graph of demand versus capacity for the situation described.
b. What is the size of the queue upstream of the bottleneck at 8:30 AM, 9:30 AM, 10:00 AM, and
11:00 AM?
c. At what time does the queue dissipate?
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