The engine. The driver is called the engineer.
Lapcopilet
A train 'operator' is commonly called a train 'driver'.. However - they're not actually driving - they just control the speed of the train. The points and rails do the 'driving' !
The driver of a train is called the Engineer and he is assisted by the Fireman. Other members of the crew include the Brakeman and the Conductor.
The conductor takes tickets and interacts with the passengers. The driver is the engineer. In the UK the driver is called the driver with the guard in the body of the train responsible for its safe running. If there is no separate ticket collector he/she may do this but only as a secondary function.
engineer or locomotive engineer (US, Canada, New Zealand) engine driver, train driver, locomotive driver, or train operator (UK, Australia, and South Africa )
That rather depends on the vehicle. He or she could be a chauffer (private vehicle), taxi-driver, bus-driver, train-driver.
driver
Engineer operates the engine of a train. (the driver) Conductor is the Boss of the train.
A train driver is an individual who is in charge of the movement of the train through the use of controls at the front of the train. In order to become a train driver, individuals are required to pass a series of tests and examinations, making this a relatively difficult career.
The engine on a train is behind the driver.
The Driver of the train usually sits at the front of the train