Estimates the total distance required for a vehicle to stop, considering reaction time and braking distance.
Start with your values, or try a preset.
Enter Vehicle Speed, Driver's Reaction Time, and Road Condition in the units shown.
Read Braking Distance (Icy), Braking Distance (Wet), Braking Distance (Dry), Reaction Distance, Braking Distance, and Total Stopping Distance in the results panel. Results update as you change the inputs.
Choose a preset to load an example, then adjust the values for your situation.
See the inputs and their calculated results.
Vehicle Speed: 30 mph; Driver's Reaction Time: 1 seconds; Road Condition: Dry
Braking Distance (Icy): 300.7577795 feet; Braking Distance (Wet): 75.18944488 feet; Braking Distance (Dry): 42.96539707 feet; Reaction Distance: 44.01 feet; Braking Distance: 42.96539707 feet; Total Stopping Distance: 86.97539707 feet
Vehicle Speed: 30 mph; Driver's Reaction Time: 1 seconds; Road Condition: Wet
Braking Distance (Icy): 300.7577795 feet; Braking Distance (Wet): 75.18944488 feet; Braking Distance (Dry): 42.96539707 feet; Reaction Distance: 44.01 feet; Braking Distance: 75.18944488 feet; Total Stopping Distance: 119.1994449 feet
Vehicle Speed: 60 mph; Driver's Reaction Time: 0.7 seconds; Road Condition: Dry
Braking Distance (Icy): 1,203.031118 feet; Braking Distance (Wet): 300.7577795 feet; Braking Distance (Dry): 171.8615883 feet; Reaction Distance: 61.614 feet; Braking Distance: 171.8615883 feet; Total Stopping Distance: 233.4755883 feet
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