ORS 816.290: End load lights.

Each of the following is a requirement for end load lights:

      (1) The lights shall be red in color.

      (2) The lights shall be either a lighted light or lantern.

      (3) The lights shall be placed at the extreme rear end of a load.

      (4) The lights shall be plainly visible from a distance of at least 500 feet to the sides and rear of the vehicle.