Q3 / It is commonly known in your area that the heaviest traffic flow rates occur between 4:00 PM and 6:30 PM. For each fifteen-minute interval, you record the numbers of right-turns, left-turns, straight-through trucks, and straight-through passenger cars. Your tabulated values are as shown below. If a truck is equal to 2.5 passenger cars and a right-turn is as well, and if a left-turn is equal to 1.5 passenger cars, then calculate the peak hour volume, peak hour factor (PHF), and the actual (design) flow rate for this approach. Time Left Turns Right Turns ST Trucks ST Cars Interval 4:00 – 4:15 5 10 6. 30 4:15 – 4:30 6. 15 8 26 4:30 – 4:45 4 7 10 35 4:45 – 5:00 16 8. 40 5:00 – 5:15 5:15 – 5:30 10 13 6. 49 9. 12 12 55 5:30 – 5:45 14 15 8. 65 5:45 – 6:00 12 10 50 6:00 – 6:15 10 9. 8 39 6:15 – 6:30 9. 12 4 30 +INIO

Q3 / It is commonly known in your area that the heaviest traffic flow rates occur between 4:00 PM and 6:30 PM. For each fifteen-minute interval, you record the numbers of right-turns, left-turns, straight-through trucks, and straight-through passenger cars. Your tabulated values are as shown below. If a truck is equal to 2.5 passenger cars and a right-turn is as well, and if a left-turn is equal to 1.5 passenger cars, then calculate the peak hour volume, peak hour factor (PHF), and the actual (design) flow rate for this approach. Time Left Turns Right Turns ST Trucks ST Cars Interval 4:00 – 4:15 5 10 6. 30 4:15 – 4:30 6. 15 8 26 4:30 – 4:45 4 7 10 35 4:45 – 5:00 16 8. 40 5:00 – 5:15 5:15 – 5:30 10 13 6. 49 9. 12 12 55 5:30 – 5:45 14 15 8. 65 5:45 – 6:00 12 10 50 6:00 – 6:15 10 9. 8 39 6:15 – 6:30 9. 12 4 30 +INIO

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

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Q3 / It is commonly known in your area that the heaviest traffic flow rates occur
between 4:00 PM and 6:30 PM. For each fifteen-minute interval, you record the
numbers of right-turns, left-turns, straight-through trucks, and straight-through
passenger cars. Your tabulated values are as shown below. If a truck is equal to 2.5
passenger cars and a right-turn is as well, and if a left-turn is equal to 1.5 passenger
cars, then calculate the peak hour volume, peak hour factor (PHF), and the actual
(design) flow rate for this approach.
Time
Left Turns
Right Turns
ST Trucks
ST Cars
Interval
4:00 – 4:15
5
10
30
4:15 – 4:30
6.
15
8.
26
4:30 – 4:45
4
10
35
4:45 – 5:00
7
16
8.
40
5:00 – 5:15
10
13
6.
49
5:15 – 5:30
9.
5:30 – 5:45
12
12
55
14
15
8.
65
5:45 – 6:00
12
12
10
50
6:00 – 6:15
10
9
8.
39
6:15 – 6:30
9.
12
4
30

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