When operating on a highway at night, slow-moving vehicles such as animal drawn wagons, farm tractors, and road machinery must have a (--------) that can be seen for 1,000 feet.
Two white lights on the front and two white lights on the back
One white light in the front and two red lights in the back
Two red lights in the front and two white lights in the back
Two red lights in the front and two red lights in the back