Given the volumes per movement and phasing pattern, allocate the green time to the 2 phases. Use amber = 3 sec All red = 2 sec Starting loss = 2 sec S = 1,900 pc/hr/lane a.. Compute the y values b. Compute the lost time if L= 2 x starting loss + 2 x all red c. compute the optimum cycle time (the cycle length is normally rounded off to multiples of 5 or 10)
Given the volumes per movement and phasing pattern, allocate the green time to the 2 phases. Use amber = 3 sec All red = 2 sec Starting loss = 2 sec S = 1,900 pc/hr/lane a.. Compute the y values b. Compute the lost time if L= 2 x starting loss + 2 x all red c. compute the optimum cycle time (the cycle length is normally rounded off to multiples of 5 or 10)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Given the volumes per movement and phasing pattern, allocate the green time to the 2 phases.
Use amber = 3 sec
All red = 2 sec
Starting loss = 2 sec
S = 1,900 pc/hr/lane
a.. Compute the y values
b. Compute the lost time if L= 2 x starting loss + 2 x all red
c. compute the optimum cycle time (the cycle length is normally rounded off to multiples of 5 or 10)
d. allocate the green time to phase 1 and 2
Transcribed Image Text:Phase
1
2
Approach
East
West
North
South
Volume, pcu/hr
600
450
950
720
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Given the volumes per movement and phasing pattern, allocate the green time to the 2 phases.
Use amber = 3 sec
All red = 2 sec
Starting loss = 2 sec
S = 1,900 pc/hr/lane
A. allocate the green time to phase 1 and 2
Transcribed Image Text:Phase
1
2
Approach
East
West
North
South
Volume, pcu/hr
600
450
950
720
Solution
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