The shown intersection is located at urban area with population of 15000 and the speed on all approaches is 35 mph. Knowing that the north-south (major) road has three lanes in one direction and the east-west (minor) road is two lanes two-way highway and the peak hour volume is shown in the following table: Approach North East West Through Right Right Through Left Volume 75 (vph) % Trucks 5% Assume: ● ● Through Left 250 5% 200 5% 150 0% 100 0% Truck factor = 1.5 Left turn factor = 1.6 Driver perception reaction time=2.5 seconds Average time headway on all approaches = 2 seconds PHF = 0.9 180 0% Lane width= 12 ft Length of vehicle = 20 ft Use a= 0.27 g (gravitational acceleration 32.2 ft/sec²) There are overpasses for pedestrians on all approaches. 75 0% The peak hour volume is constant for at least 12 hours within an average day. 16) According to the eight-hours vehicular volume warrant, What are the volumes should be considered for major and minor roads respectively? A. (525, 255) B. (525,505) C. (525,180) D. None

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The shown intersection is located at urban area with population of 15000 and the speed on all approaches is
35 mph. Knowing that the north-south (major) road has three lanes in one direction and the east-west (minor)
road is two lanes two-way highway and the peak hour volume is shown in the following table:
Approach North
East
West
Through Right
Right
Through Left
Volume 75
(vph)
% Trucks 5%
Assume:
●
●
●
●
●
●
Through Left
250
5%
200
5%
150
0%
100
0%
Truck factor = 1.5
Left turn factor = 1.6
Driver perception reaction time=2.5 seconds
Average time headway on all approaches = 2 seconds
PHF = 0.9
180
0%
75
Lane width= 12 ft
Length of vehicle = 20 ft
Use a= 0.27 g (gravitational acceleration 32.2 ft/sec²)
There are overpasses for pedestrians on all approaches.
The peak hour volume is constant for at least 12 hours within an average day.
16) According to the eight-hours vehicular volume warrant, What are the volumes should be considered for
major and minor roads respectively?
A. (525, 255)
B. (525,505)
C. (525,180)
D. None
0%
7
Transcribed Image Text:The shown intersection is located at urban area with population of 15000 and the speed on all approaches is 35 mph. Knowing that the north-south (major) road has three lanes in one direction and the east-west (minor) road is two lanes two-way highway and the peak hour volume is shown in the following table: Approach North East West Through Right Right Through Left Volume 75 (vph) % Trucks 5% Assume: ● ● ● ● ● ● Through Left 250 5% 200 5% 150 0% 100 0% Truck factor = 1.5 Left turn factor = 1.6 Driver perception reaction time=2.5 seconds Average time headway on all approaches = 2 seconds PHF = 0.9 180 0% 75 Lane width= 12 ft Length of vehicle = 20 ft Use a= 0.27 g (gravitational acceleration 32.2 ft/sec²) There are overpasses for pedestrians on all approaches. The peak hour volume is constant for at least 12 hours within an average day. 16) According to the eight-hours vehicular volume warrant, What are the volumes should be considered for major and minor roads respectively? A. (525, 255) B. (525,505) C. (525,180) D. None 0% 7
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