The sum of the flow ratios for the critical lane group.
Answer to Problem 1P
The sum of the flow ratios for the critical lane group is
Explanation of Solution
Formula Used:
Write the expression for the flow ratio.
Here,
Write the expression to for the sum of flow ratio in the critical lane group.
Here,
Calculation:
Consider Phase
Calculate the flow ratio for Northbound Left(NBL).
Substitute
Calculate the flow ratio for Southbound Left(SBL).
Substitute
Maximum ratio of each phase is called as a critical lane group.
The critical lane group flow ratio for phase
Consider Phase
Calculate the flow ratio for Northbound Right Turn (NBL T/R).
Substitute
Calculate the flow ratio for Southbound Right Turn (SBL T/R).
Substitute
The critical lane group flow ratio for phase
Consider Phase
Calculate the flow ratio for Eastbound Left (EBL).
Substitute
Calculate the flow ratio for Westbound Left (WBL).
Substitute
Calculate the flow ratio for Eastbound Right Turn (EB T/R).
Substitute
Calculate the flow ratio for Westbound Right Turn (WB T/R).
Substitute
The critical lane group flow ratio for phase
Substitute
Conclusion:
The sum of the flow ratios for the critical lane group is
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Chapter 7 Solutions
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