Whenever any pedestrian approaches a railroad grade crossing or a street or interurban railroad grade crossing under any of the circumstances herein stated, such pedestrian shall stop and not pass such crossing but shall remain at a safe place until such circumstances shall have ceased.

The foregoing requirements shall apply when:

1. A clearly visible electric or mechanical signal device gives warning of the immediate approach of a train proceeding through the crossing; or

2. A crossing gate or barrier is lowered or being lowered or raised or when a human flagman gives or continues to give a signal of the approach or passage of a train; or

3. An approaching train is plainly visible and is in hazardous proximity to such crossing; or,

4. An approaching train emits a signal which is audible at such grade crossing and such train by reason of it speed or nearness to such crossing, is an immediate hazard. (Ord. 2735 § 2 (part), 1983).