Fig. 1. - Running backward by night, without cars or at the front of a train pulling cars. White light at A.

Fig. 2. - Running forward by day, without cars or at the rear of a train pushing cars. Marker lamps not lighted, or yellow (or green) flags at A A as markers.

Fig. 3. - Running backward by day, without cars or at the rear of a train pushing cars. Marker lamps not lighted, or yellow (or green) flags at A A as markers.

Fig. 4. - Rear of train by day. Marker lamps not lighted, or yellow (or green) flags at A A as markers.