Traffic Engineering

Cycle Length Sensitivity Index for Oversaturated Signalized Corridors Calculator

Cycle Length Sensitivity Index for Oversaturated Signalized Corridors engineering calculator.

Quick Answer

Calculate Cycle Length Sensitivity Index for Oversaturated Signalized Corridors

Calculator

Cycle Length Sensitivity Index (s⁄s)
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Result Interpretation

Cycle Length Sensitivity Index for Oversaturated Signalized Corridors Calculator computes Cycle Length Sensitivity Index in s/s using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Cycle Length = 100
  • Total Lost Time per Cycle = 22
  • Corridor Configuration Correction Factor = 1.15
  • Average Volume-to-Capacity Ratio = 0.92

Expected Result:

  • Cycle Length Sensitivity Index = 39.53125

Engineering Interpretation:

Under the given input conditions, the calculated result is: Cycle Length Sensitivity Index = 39.53125 s/s.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

cycle length sensitivity index = (1.0 / (1.0 - average volume-to-capacity ratio)) * (total lost time per cycle / cycle length) * (1.0 + (average volume-to-capacity ratio / (1.0 - average volume-to-capacity ratio))) * corridor configuration correction factor

Formula family: formula_traffic_cycle_length_sensitivity_analyzer_for_oversaturated_corridors

Variables

SymbolLabelRoleDescription
rho_avg Average Volume-to-Capacity Ratio INPUT Average Volume-to-Capacity Ratio
L Total Lost Time per Cycle INPUT Total Lost Time per Cycle
C Cycle Length INPUT Cycle Length
K_corr Corridor Configuration Correction Factor INPUT Corridor Configuration Correction Factor
result Cycle Length Sensitivity Index OUTPUT Cycle Length Sensitivity Index

Calculation Steps

  1. Enter the average volume-to-capacity ratio in dimensionless.
  2. Enter the total lost time per cycle in s.
  3. Enter the cycle length in s.
  4. Enter the corridor configuration correction factor in dimensionless.
  5. Step 1: Compute cycle length sensitivity index.
  6. Read the cycle length sensitivity index (s/s) from the results.

Engineering Summary

Calculate Cycle Length Sensitivity Index for Oversaturated Signalized Corridors

Frequently Asked Questions

What does this calculator calculate?

The Cycle Length Sensitivity Index for Oversaturated Signalized Corridors Calculator estimates Cycle Length Sensitivity Index based on the input parameters you provide

Why is average volume-to-capacity ratio important in this calculation?

average volume-to-capacity ratio is directly proportional to cycle length sensitivity index. When you enter average volume-to-capacity ratio in dimensionless, the calculator uses it in the engineering formula to compute the output

How should I interpret the result cycle length sensitivity index?

The calculator outputs cycle length sensitivity index in s/s. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Average Volume-to-Capacity Ratio (dimensionless), Total Lost Time per Cycle (s), Cycle Length (s), Corridor Configuration Correction Factor (dimensionless). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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