Train Braking Distance Calculator
Calculate emergency and service braking distances from speed, grade, and brake coefficient using d = V²/(2g(μ±G)).
Inputs
mph
%
sec
tons
Results
Total stopping distance
1,330 ft
Stopping distance0.25 miles
Emergency braking distance802 ft
Reaction distance528 ft
Service braking distance1,987 ft
Deceleration rate3.29 mph/s
Braking time18.2 sec
Total time to stop24.2 sec
Braking force1,500 kips
Grade resistance0 lbs
How to Use This Calculator
- Enter Train speed, Grade, and Brake coefficient.
- Set Reaction/signal time and Train weight.
- Review the Total stopping distance (ft) result.
- Use Stopping distance (miles) and Emergency braking distance (ft) to inform your decision.
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