## How can I remember my stopping distances UK?

The factors are easy to remember – just start at 2 for 20mph and add 0.5 for each 10 mph increase in speed. Example: Question: What is the overall stopping distance at 50mph? Answer: Factor for 50mph is 3.5 and so overall stopping distance at 50mph is 50 x 3.5 = 175 feet.

**What is the normal stopping distance?**

Driver Care – Know Your Stopping Distance

Speed | Perception/Reaction Distance | Braking Distance |
---|---|---|

30 mph | 44 feet | 45 feet |

40 mph | 59 feet | 80 feet |

50 mph | 73 feet | 125 feet |

60 mph | 88 feet | 180 feet |

### What are the shortest stopping distance when you drive?

These are the Shortest-Stopping Cars We’ve Ever Tested

- 2019 McLaren Senna (tie) — 136 ft.
- 2017 Chevrolet Corvette Grand Sport (tie) — 136 ft.
- 2015 Ferrari LaFerrari (tie) — 136 ft.
- 2018 Lamborghini Huracán Performante (tie) — 135 ft.
- 2017 Dodge Viper ACR (tie) — 134 ft.

**What is the stopping distance at 30mph in Metres?**

14 metres

What is braking distance?

Speed | Braking distance |
---|---|

30mph | 14 metres |

40mph | 24 metres |

50mph | 38 metres |

60mph | 55 metres |

#### What is the formula for stopping distance?

Stopping distance = reaction distance + braking distance.

**What is the formula for braking distance?**

The braking distance, in feet, of a car traveling at v miles per hour is given by d= 2.2v+\frac{v^2}{20}.

## What distance should you keep between cars?

If in doubt, remember the saying, ‘only a fool breaks the 2-second rule’. In dry conditions, drivers are advised to keep a 2-second gap between themselves and the vehicle in front. An easy way of doing this is by remembering ‘only a fool breaks the 2-second rule’.

**What stopping distance should a driver allow?**

Up to half the normal distance.

### What are the stopping distances for cars?

The stopping distance at 20mph is around 3 car lengths. At 50mph it’s around 13 car lengths….Stopping distances at different speeds.

Speed | Thinking + braking distance | Stopping distance |
---|---|---|

30mph | 9m + 14m | 23m (75 feet) |

40mph | 12m + 24m | 36m (118 feet) |

50mph | 15m + 38m | 53m (174 feet) |

60mph | 18m + 55m | 73m (240 feet) |