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USDOT Number Requirements in Montana β€” Decal Size, Display & Penalties

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 […]

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USDOT decal placement diagram for Tennessee commercial trucks showing FMCSA letter sizing rules

USDOT Number Requirements in Tennessee β€” Decal Size, Display & Penalties

Operating a commercial vehicle out of Tennessee? You are subject to FMCSA federal door-marking rules (49 CFR 390.21) plus a small set of Tennessee-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 Tennessee Highway Patrol (Commercial […]

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USDOT decal placement diagram for Arizona commercial trucks showing FMCSA letter sizing rules

USDOT Number Requirements in Arizona β€” Decal Size, Display & Penalties

Operating a commercial vehicle out of Arizona? You are subject to FMCSA federal door-marking rules (49 CFR 390.21) plus a small set of Arizona-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 Arizona Department of Public […]

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Commercial truck door with required FMCSA markings showing name, USDOT number, and address for South Dakota

Commercial Vehicle Door Marking Laws in South Dakota β€” FMCSA + State Rules

South Dakota commercial fleets must follow FMCSA 49 CFR 390.21 door-marking rules plus any state-specific intrastate add-ons. This guide explains what has to appear on the door, how big it has to be, where to place it, and how the South Dakota Highway Patrol (Motor Carrier Services) treats violations on the road. Jump to: What […]

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Utility trailer diagram showing VIN sticker and registration plate placement required in Alabama

Trailer Registration & VIN Sticker Placement in Alabama

Buying or registering a trailer in Alabama? Three different stickers and plates need to be in the right places: the federal utility trailer VIN lettering/MFR plate, the state registration tag, and (if you run commercial) any DOT or company markings. This guide walks through placement, replacement, and what vinyl to use so your markings survive […]

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Commercial truck door with required FMCSA markings showing name, USDOT number, and address for Utah

Commercial Vehicle Door Marking Laws in Utah β€” FMCSA + State Rules

Utah commercial fleets must follow FMCSA 49 CFR 390.21 door-marking rules plus any state-specific intrastate add-ons. This guide explains what has to appear on the door, how big it has to be, where to place it, and how the Utah Highway Patrol (Commercial Vehicle Division) treats violations on the road. Jump to: What must appear […]

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USDOT decal placement diagram for Georgia commercial trucks showing FMCSA letter sizing rules

USDOT Number Requirements in Georgia β€” Decal Size, Display & Penalties

Operating a commercial vehicle out of Georgia? You are subject to FMCSA federal door-marking rules (49 CFR 390.21) plus a small set of Georgia-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 Georgia Department of Public […]

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ATV with registration decal placement location highlighted per South Dakota DNR requirements

ATV / Snowmobile Registration Decal Laws in South Dakota

If you ride an ATV, UTV, side-by-side, or snowmobile in South Dakota, you need a registration decal issued by the South Dakota Game, Fish and Parks and applied where it can be read from a distance. This guide covers placement, sizing, replacement options, and how to keep your decal legible through northern-plains winters. Jump to: […]

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Charter boat hull showing USCG documentation number placement requirements for New York vessels

Fishing-Charter & Livery-Vessel Marking Rules in New York

If you operate a fishing-vessel marking rules or livery vessel in New York, your boat carries three layers of markings: USCG documentation or state boat lettering cost boat number sizing by states, a state validation decal from the New York State Department of Environmental Conservation, and any commercial / livery identifiers. This guide explains the […]

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ATV with registration decal placement location highlighted per Idaho DNR requirements

ATV / Snowmobile Registration Decal Laws in Idaho

If you ride an ATV, UTV, side-by-side, or snowmobile in Idaho, you need a registration decal issued by the Idaho Department of Parks and Recreation and applied where it can be read from a distance. This guide covers placement, sizing, replacement options, and how to keep your decal legible through dry mountain summers and cold […]

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