A farm tractor operated on a highway at night should be equipped with ____ on the rear.

If operated at night on a highway, a farm tractor must be equipped with a white light on the front of the vehicle that is visible for 1,000 feet. The rear of the tractor must have two red lights visible for 1,000 feet, or one red light visible for 1,000 feet and two red reflectors visible for 600 feet.