Traffic Signal Warrant Calculator
Evaluate MUTCD signal warrant criteria from traffic volume, accident history, pedestrian activity, and school zone presence to determine if a traffic signal is justified.
Inputs
veh/hr
veh/hr
ped/hr
mph
Results
Recommendation
Signal may be justified — one or more warrants met
Warrants Met1
Warrant 1: Vehicular VolumeMET
Warrant 3: Peak HourNOT MET
Warrant 4: Pedestrian VolumeNOT MET
Warrant 5: School CrossingNOT MET
Warrant 7: Crash ExperienceNOT MET
How to Use This Calculator
- Enter Major Street Volume, Minor Street Volume, and Major Street Lanes.
- Set 1 lane each way, 2+ lanes each way, and Minor Street Lanes.
- Adjust 1 lane each way, 2+ lanes each way as needed.
- Review the Recommendation result.
- Use Warrants Met and Warrant 1: Vehicular Volume to inform your decision.
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