#49 Cfr 390 21

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Commercial truck door displaying USDOT number and carrier name in high-contrast lettering, readable from 50 feet in daylight

Compliance & FMCSA Jun 5, 2026

FMCSA Renews USDOT Marking Rules, What 50-Foot Legibility Means

Federal Motor Carrier Safety Administration renewed marking requirements June 1, 2026. The rule applies to 938,861 carriers. Black marker and peeling decals…

By Marvin Aldridge