# What is the stopping distance of a vehicle?

Contents

## How do you calculate the stopping distance of a car?

Stopping distance = thinking distance + braking distance

Thinking distance is approximately 1 foot for every mph you travel at, for example, a car travelling at 30mph will travel 30 feet before the brakes are applied.

## What is the stopping distance at 30mph?

Stopping Distance: Is The Highway Code Wrong?

Speed Stopping Distance
20mph 12 Meters / 40 Feet
30mph 23 Meters / 75 Feet
40mph 36 Meters / 118 Feet
50mph 53 Meters / 175 Feet

## What is meant by stopping distance?

: the distance that a driver needs in order to safely bring a vehicle to a complete stop.

## What does total stopping distance include?

Total Stopping Distance is the sum of the perception distance, reaction distance and braking distance. Once a driver perceives a need to slow or stop, a small amount of time passes. The time it takes to react and come into the correct braking position is the reaction distance.

## What is the stopping distance at 70?

Driver Care – Know Your Stopping Distance

Speed Perception/Reaction Distance Braking Distance
50 mph 73 feet 125 feet
60 mph 88 feet 180 feet
70 mph 103 feet 245 feet
80mph 117 feet 320 feet
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## What is the stopping distance at 45 mph?

Stopping Distances

Speed Thinking Distance 2 Braking Distance
20 mph 20 feet 20 feet
30 mph 30 feet 45 feet
40 mph 40 feet 80 feet
50 mph 50 feet 125 feet

## What is the stopping distance at 70 mph?

Stopping distances at different speeds

Speed Thinking + braking distance Stopping distance
40mph 12m + 24m 36m (118 feet)
50mph 15m + 38m 53m (174 feet)
60mph 18m + 55m 73m (240 feet)
70mph 21m + 75m 96m (315 feet)

## What are the 3 parts of stopping distance?

Stopping distance consists of three factors: Driver’s reaction time + Brake lag + Braking distance.

## What 2 things make up stopping distance?

Your stopping distance is actually made up of two factors – thinking distance and braking distance.

## What three things are included in the total stopping distance?

The total stopping distance is the summation of the reaction distance, braking distance and perception distance. When you perceive a need to slow or stop the vehicle, a few seconds of time will pass.