4. The results of a traffic count taken between 5:00 p.m. and 6:00 p.m. are given below:Time Interval5:00-5:15 p.m.5:15-5:30 p.m.5:30-5:45 p.m.5:45-6:00 p.m.5:00-6:00 p.m.Volume (vehicles)900100012008503950 total vehiclesa. Determine the peak hour factor for this section of freeway.

Peak hour factor is measure of traffic demand variation with the analysis hour. It describes the…

Answered: Time Interval Volume (vehicles) 900…

Time Interval Volume (vehicles) 900 5:00-5:15 p.m. 5:15-5:30 p.m. 5:30-5:45 p.m. 5:45-6:00 p.m. 5:00-6:00 p.m. 1000 1200 850 3950 total vehicles

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

4. The results of a traffic count taken between 5:00 p.m. and 6:00 p.m. are given below:
Time Interval
5:00-5:15 p.m.
5:15-5:30 p.m.
5:30-5:45 p.m.
5:45-6:00 p.m.
5:00-6:00 p.m.
Volume (vehicles)
900
1000
1200
850
3950 total vehicles
a. Determine the peak hour factor for this section of freeway.

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An intersection has a four-phase signal with the movements allowed in each phase and corresponding analysis and saturation flow rates shown in the table below. Phase Allowed movements Analysis flow rate Saturation flow rate O 116.466 sec O 97.315 sec O 104.693 sec 1 EB L, WB L 245, 230 veh/h 1750, 1725 veh/h Calculate the optimum cycle length (Assume 4 seconds lost time per phase) O 101.399 sec 2 EB T/R, WB T/R 975, 1030 veh/h 3350, 3400 veh/h 3 SB L, SB T/R 255, 235 veh/h 1725, 1750 veh/h 4 NB L, NB T/R 225, 215 veh/h 1700, 1750 veh/h
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Based on the following traffic speed frequency table, the median and 85th percentile speeds are approximately & respectively. Speed class (kph) 30- <40 40- <50 50- <60 60- <70 70- <80 80- <90 90- <100 100- <110 Frequency 8 12 20 25 22 15 8 a none
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Minimum green time should usually be considered at signalized intersections when thereis high ............... activity. O a Motorcycle O b. Sport cars O ¢. Pedestrian O d. Public transport
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Compute the peak hour factor if the hourly volume of traffic is 1829 veh/hour and the highest 15-min volume is 713
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