USDOT Number Requirements in Montana β Decal Size, Display & Penalties
Operating a commercial vehicle out of Montana? You are subject to FMCSA federal door-marking rules (49 CFR 390.21) plus a small set of Montana-specific requirements for your USDOT decal. This page walks you through legal sizing, font, placement, and the most common reasons fleets get flagged at roadside inspections by the Montana Department of Transportation […]








