When crossing railroad tracks in a placarded vehicle or a bus _________.

If you are driving a bus, school bus or a vehicle displaying placards, you should be prepared to observe the following procedures at every railroad crossing (unless the crossing is exempt): As the vehicle approaches a railroad crossing, activate the four-way flashers. Stop the vehicle within 50 feet but not less than 15 feet from the nearest rail, place the bus in park/neutral and set the parking brake. Listen and look in both directions along the track for an approaching train and for signals indicating the approach of a train. If operating a bus, you may also be required to open the window and door prior to crossing tracks. Keep hands on the steering wheel as the vehicle crosses the tracks. Do not stop, change gears or change lanes while any part of your vehicle is proceeding across the tracks. Four-way flashers should be deactivated after the vehicle crosses the tracks. Continue to check mirrors and traffic.