1.
vehicle
A wheeled conveyance, especially in formal or technical contexts.
駐車禁止区域に車両を停めないでください。
Please don't park vehicles in the no-parking zone.
2.
train car; railway carriage
An individual car of a train.
女性専用車両に乗る。
To ride in the women-only car.
この電車は10両編成だ。
This train has 10 cars.
車両 is a formal/technical term for vehicles.
TRAIN USAGE:
- 先頭車両: front car
- 最後尾車両: rear car
- 女性専用車両: women-only car
- 優先車両: priority car
VEHICLE USAGE:
- 車両通行禁止: no vehicles allowed
- 緊急車両: emergency vehicle