## How many car lengths should you leave?

If you want to be a safe driver, try to keep **one car length for every 10 miles per hour you drive**. Alternatively, you could measure distance with the three-second rule.... read more ›

## How many lengths is a car?

Size class | Length (feet) |
---|---|

Small car | 13.8 |

Small SUV | 14.4 |

Mid-sized car | 14.8 |

Full-sized car | 15.7 |

## What is the car length method for following?

For example, if driving a 60-foot vehicle at speeds over 40 mph, you should leave seven seconds between you and the vehicle ahead. You arrive at this number by calculating **one second for each 10 feet of vehicle length plus an additional second for safety**, a total of seven seconds.... see details ›

## How many feet are you supposed to stay away from a car?

As a general rule, you'll want to leave **about three seconds of space between you and the driver in front of you**—if you're going 55 mph on a highway, that works out to roughly 250 feet (16 car lengths).... read more ›

## How many car lengths is 3 seconds?

The 3-second rule advises you to keep a distance of **three car lengths** between you and the car in front. This has also been described as the distance you could travel in three seconds at an average speed. Maintaining this space between cars is a simple and proven way to avoid rear-end collisions.... see more ›

## How many car lengths is 2 seconds?

The two-second rule is useful as it works at most speeds. It is equivalent to **one vehicle- length for every 5 mph of the current speed**, but drivers can find it difficult to estimate the correct distance from the car in front, let alone to remember the stopping distances that are required for a given speed.... see more ›

## How many car links should you follow?

That means that when a car passes any given point, you should be able to count to **at least three** (one Massachusetts, two Massachusetts, three Massachusetts) before you cross that same point. This is just the minimum safe distance between cars.... read more ›

## How many car lengths is 60 mph?

Speed | Perception/Reaction Distance | Equal to Approx Number of Car Lengths (@15 feet) |
---|---|---|

50 mph | 73 feet | 14 |

60 mph | 88 feet | 18 |

70 mph | 103 feet | 23 |

80mph | 117 feet | 29 |

## How many seconds should you leave between cars?

The Three-Second Rule

Increasing the distance between you and the car ahead can help give you the time you need to recognize a hazard and respond safely. The National Safety Council recommends **a minimum three-second following distance**. Determining the three-second gap is relatively easy.... see more ›

## What is the distance between two cars?

Whenever you follow another vehicle, you need enough space to stop safely if the other vehicle brakes suddenly. A safe following distance is **at least two seconds behind the vehicle in front**. This is the minimum reaction time you need to stop safely.... read more ›

## How many car lengths is 300ft?

Car: 243 feet (about 16 car lengths) – This gives you the necessary space to stop safely. Semi-Truck: 300 feet (**about 20 car lengths**) – Semis carry heavy loads, so more than slamming on the brakes, something can fall off or out of the truck, and you need time to react and avoid the debris.... continue reading ›

## How many car lengths is 4 seconds?

Remember: The space between your vehicle and a large vehicle behind you on a highway should be four seconds at speeds of 46-70 mph, plus **one second for every 10 feet of vehicle length**.... see details ›

## How many car lengths is 60 mph?

Speed | Perception/Reaction Distance | Equal to Approx Number of Car Lengths (@15 feet) |
---|---|---|

50 mph | 73 feet | 14 |

60 mph | 88 feet | 18 |

70 mph | 103 feet | 23 |

80mph | 117 feet | 29 |

## How many car lengths is 50 mph?

Speed | Thinking Distance 2 | Braking Distance |
---|---|---|

30 mph | 30 feet | 45 feet |

40 mph | 40 feet | 80 feet |

50 mph | 50 feet | 125 feet |

60 mph | 60 feet | 180 feet |