NFPA 1901

Fire Apparatus Regulations:

At least 50% of the rear vertical surfaces of the apparatus shall be equipped with a minimum of 6" alternating yellow and red chevron retroreflective striping sloping downward and away from the centerline of the vehicle at an angle of 45 degree.

NFPA 1901 Regulation

Fire Truck Rear Markings
Fire Truck Rear Markings