noun
driver's cab; operator's cab
Refers to the enclosed compartment where a driver or operator controls a vehicle or machine, such as a train, crane, or truck.
See also: 運転台
機関士は運転室から外の様子を確認した。
The engineer checked the situation outside from the driver's cab.
運転台 often refers to the driver's platform or control stand, which may be open or less enclosed, while 運転室 specifically implies an enclosed room or compartment.
Compound of 運転 (operation, driving) and 室 (room, compartment).