463 Lighting Devices and Reflectors

463.1 Front of Trailer

The front of the trailer must have two lamps, one on each side (top).

463.2 Rear of Trailer

The rear of the trailer must have the following:

1. Two tail lamps, one on each side.
2. Two stop lamps, one on each side.
3. Two turn signals, one on each side.
4. Two clearance lamps, one on each side (top).
5. Three identification lamps, mounted on the vertical centerline of the trailer (top).
6. Two reflectors, one on each side (bottom).

463.3 Side of Trailer

The side of the trailer must have the following:

1. One side-marker lamp at or near the front of each side.
2. One side-marker at or near the rear (top).
3. One reflector at or near the front.
4. One reflector at or near the rear (bottom) of each side.

An intermediate side-marker lamp (top) and reflector (bottom) are required only on trailers measuring 30 feet or more in overall length. The height of the side-marker lamp is optional.