Are flashing brake lights allowed under FMVSS 108?

May 24, 2021

Bob Raybuck

NTEA Director of Technical Services

We were told Federal Motor Carrier Safety Administration would allow our delivery fleet to have brake-activated pulsating warning lamps. However, our vehicle builder said they can’t install flashing brake lights on our new trucks and certify the vehicles to Federal Motor Vehicle Safety Standard 108. Can you explain why?

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Are flashing brake lights allowed under FMVSS 108?

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