車間距離(しゃかんきょり)

しゃかんきょり
noun
following distance; distance between vehicles
transportation
1. following distance; distance between vehicles
The space maintained between one's vehicle and the vehicle ahead while driving. A key concept in safe driving and traffic regulations.
車間距離(しゃかんきょり)を取(と)る。
Keep a safe following distance.
On rainy days, keep a greater following distance.
Closing the following distance too much on the expressway can cause rear-end collisions.

Usage

車間距離(しゃかんきょり) is a compound of 車間(しゃかん) (between vehicles) and 距離(きょり) (distance). It is used frequently in driving instructions, traffic safety campaigns, and news reports about accidents.

Common collocations

Cultural note

In Japan, a common rule of thumb on expressways is to stay at least two seconds behind the car ahead. Tailgating (煽(あお)り運転(うんてん)) has been a significant traffic safety issue and was made a criminal offense in 2020.