UCR is the least visible credential in trucking — no decal, no card, nothing to hang in the cab — and one of the most commonly cited at roadside, because officers verify it electronically in seconds. It is a congressionally established fee program: interstate operators pay their base state annually, and the money funds state enforcement.
Here is who owes it, what it costs now and next year, and the quirks that catch carriers based in non-participating states.
Who must register
The UCR Agreement covers all motor carriers — for-hire, private, and exempt — plus brokers, freight forwarders, and leasing companies operating in interstate or international commerce, including Canada- and Mexico-based carriers running in the US. The only listed exceptions are private passenger carriers and purely intrastate operators.
The vehicle definition mirrors the federal safety threshold: self-propelled vehicles used in commerce at 10,001 pounds or more (alone or in combination), placarded hazmat at any weight, or designed for more than 10 passengers. Brokers, forwarders, and leasing companies without a single truck still register — at the lowest bracket.
The fee brackets — and the 2027 increase
Fees are set by fleet size (the trucks operated in the preceding year), not by miles or weight:
- 2026 registration year: 0–2 trucks $46; 3–5 trucks $138; 6–20 trucks $276; 21–100 trucks $963; 101–1,000 trucks $4,592; 1,001+ trucks $44,836. Brokers and leasing companies pay the $46 bracket.
- 2027 registration year (portal opens October 1, 2026): 0–2 trucks $55; 3–5 trucks $167; 6–20 trucks $333; 21–100 trucks $1,163; 101–1,000 trucks $5,548; 1,001+ trucks $54,165 — an average increase of roughly 20% set by FMCSA rulemaking.
The deadline that matters: each year’s registration must be completed and paid before January 1. The portal opens October 1 of the prior year — the same season as IRP renewals in many states, so most fleets batch the paperwork.
Base states and the non-participation trap
Forty-one states participate in UCR. Nine do not — Arizona, Florida, Hawaii, Maryland, Nevada, New Jersey, Oregon, Vermont, and Wyoming, plus DC — and this is where carriers get tripped: being based in a non-participating state does not exempt you. A Florida-based interstate carrier still registers, through an office in a participating state if it has one, or through a designated base state from UCR’s published list.
Enforcement without a credential
Nothing is issued to carry: proof of registration is verified at ucr.gov or FMCSA’s SAFER site by USDOT number, and roadside systems cite non-payment under violation code 392.2 ("UCR – Failure to pay UCR fees"). Penalties themselves are set by each state. The UCR Plan’s own enforcement data makes the practical case: carriers with UCR violations are placed out of service two and a half times as often as those without.
Frequently asked questions
What is UCR in trucking?⌄
How much is UCR for 2027?⌄
My state doesn’t participate in UCR — do I still pay?⌄
Is UCR the same as IRP or my USDOT number?⌄
Related guides
More in Carrier Credentials & Federal Compliance
Official sources
- UCR Plan — fee brackets (2026 and 2027)
- UCR Plan — participating states
- UCR Plan — frequently asked questions
- UCR Plan — enforcement overview (PDF)
Agency rules, fees and contacts can change — confirm current requirements with the agency before acting. This guide is general information for truckers, not tax or legal advice.