Quick Answer
Calculate Pedestrian Crossing Clearance Time Validator (AASHTO/ITE Compliant)
Calculator
Result Interpretation
Pedestrian Crossing Clearance Time Validator (AASHTO/ITE Compliant) Calculator computes Pedestrian Clearance Time in s using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Safety Buffer Time = 1
- Pedestrian Start-Up Time = 2.7
- Design Pedestrian Walking Speed = 1.2
- Crosswalk Length = 18
Expected Result:
- Pedestrian Clearance Time = 18.7
Engineering Interpretation:
Under the given input conditions, the calculated result is: Pedestrian Clearance Time = 18.7 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
pedestrian clearance time = (crosswalk length / design pedestrian walking speed) + pedestrian start-up time + safety buffer timeFormula family: formula_traffic_pedestrian_crossing_clearance_time_validator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| crosswalk_length | Crosswalk Length | INPUT | Crosswalk Length |
| walking_speed | Design Pedestrian Walking Speed | INPUT | Design Pedestrian Walking Speed |
| start_up_time | Pedestrian Start-Up Time | INPUT | Pedestrian Start-Up Time |
| buffer_time | Safety Buffer Time | INPUT | Safety Buffer Time |
| result | Pedestrian Clearance Time | OUTPUT | Pedestrian Clearance Time |
Calculation Steps
- Enter the crosswalk length in m.
- Enter the design pedestrian walking speed in m/s.
- Enter the pedestrian start-up time in s.
- Enter the safety buffer time in s.
- Step 1: Compute pedestrian clearance time.
- Read the pedestrian clearance time (s) from the results.
Engineering Summary
Calculate Pedestrian Crossing Clearance Time Validator (AASHTO/ITE Compliant)
Frequently Asked Questions
What does this calculator calculate?
The Pedestrian Crossing Clearance Time Validator (AASHTO/ITE Compliant) Calculator estimates Pedestrian Clearance Time based on the input parameters you provide
Why is crosswalk length important in this calculation?
crosswalk length is directly proportional to pedestrian clearance time. When you enter crosswalk length in m, the calculator uses it in the engineering formula to compute the output
How should I interpret the result pedestrian clearance time?
The calculator outputs pedestrian clearance time in 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: Crosswalk Length (m), Design Pedestrian Walking Speed (m/s), Pedestrian Start-Up Time (s), Safety Buffer Time (s). 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
Related Tools
Browse More Tools
Explore the full index of engineering calculators on this vertical site.