between vehicles; inter-vehicle
Primarily used in compounds such as 車間距離 (inter-vehicle distance). Rarely used as a standalone noun.
See also: 車間距離
高速道路では十分な車間距離を保つことが大切だ。
It is important to maintain a sufficient distance between vehicles on the highway.
following distance; distance between vehicles
Compound of 車 (car, vehicle) and 間 (interval, between).