There’s a new brake light option!
In an attempt to make large commercial vehicles safer, the Federal Motor Carrier Safety Administration (FMCSA) has issued a five-year exemption that allows the mounting of additional brake lights on trucks and trailers. The additional brake lights must be mounted in specific locations (see the diagrams below). Also, the lights are to “pulse” (strobe) yellow for four seconds when the brake is initially applied, and then switch to steady burning red. Brake lights meeting these standards should become available through the vehicle and light manufacturers shortly.
These additional brakes lights cannot take the place of the required steady-burning red brake lights. If any of the required brake lights are not functioning, it is a violation, even if the vehicle is equipped with the optional, additional brake lights. The FMCSA notice states that studies show the additional brake lights should reduce the number of accidents involving commercial vehicles being rear ended by drivers that do not respond to the commercial vehicle’s brake lights.
The exemption allows the additional brake lights to be mounted in the following locations:
(1) An upper pair of lamps between 6 – 12 inches from, and in line with, the three ID lamp cluster;
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(2) A single lamp centrally located on or below the rear sill, in line with the stop/tail/turn lamps;
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(3) An upper pair of lamps — as described in (1) — and a single lamp centrally located on or below the rear sill in line with the stop/tail/turn lamps;
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(4) A lower pair of lamps centered about the centerline of the trailer located on or below the rear sill; or
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(5) An upper pair of lamps — as described in (1) and a lower pair of lamps as described in (4).
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Key to remember: The FMCSA has approved the use of pulsating brake lights on trucks and trailers. Though not required, if your vehicles operate in an environment where being rear-ended is an operational risk, the extra effort and cost may be well worth the investment.
















































