TESTED SOLUTIONS
⫸ High visibility markings required in the NFPA standards apply to
what type of vehicles? Answer: Only new fire apparatus and ambulances
⫸ Fluorescent colors mostly help the conspicuity of emergency vehicles
Answer: During daylight conditions
⫸ Retroreflective materials are defined as Answer: Those that redirect
incoming light back to the viewer
⫸ Emergency vehicle markings are most effective for conspicuity when
they are (in general): Answer: Bolder, briefer, and simpler
⫸ The term "high visibility" means:
Easily seen at eye level
Brighter, bigger and with more colors
Having florescent and reflective qualities
The brightest level of reflectivity Answer: Easily seen at eye level
⫸ The NFPA 1901 standard now calls for:
, All fire trucks to have high visibility chevrons
All emergency vehicles to have high visibility chevrons
Only red fire apparatus to have chevrons
All new fire apparatus to have at least 50% of rear-facing vertical
surfaces to have retroreflective and florescent chevrons Answer: All new
fire apparatus to have at least 50% of rear-facing vertical surfaces to
have retroreflective and florescent chevrons
⫸ Which U.S. standard provides guidance for law enforcement high
visibility markings?
Federal Highway Administration Technical Bulletin 1901
There are no U.S. guidelines or standards for marking law enforcement
vehicles
U.S. DOT Rule 634
NFPA 1917 Answer: There are no U.S. guidelines or standards for
marking law enforcement vehicles
⫸ In addition to chevrons on the rear of emergency vehicles, it is also
beneficial to equip other vehicle features with high visibility markings
including:
The inside of apparatus cab doors, swing out compartment doors and
ambulance loading doors
The vehicle sides around wheel wells
The steps of emergency vehicles where provided
The roof of the vehicle Answer: The inside of apparatus cab doors,
swing out compartment doors and ambulance loading doors