Guides / What is UCR?
What Is UCR? The Unified Carrier Registration Program, Explained
What the Unified Carrier Registration program is, why it exists, who runs it, what it is not (it isn't a license, insurance, plates or a fuel tax), and how the 41-state agreement works.
Updated November 4, 2026 · 7 min read · sources cited inline
In one sentence
Unified Carrier Registration (UCR) is a federal program under which any company that moves freight or passengers in interstate or international commerce pays one annual fee through one state, and that payment is recognised in all 41 participating states. The fee depends on how many self-propelled vehicles you operate. The money funds state motor-carrier safety and enforcement programs.
A simple analogy: it is an annual membership fee for access to the interstate highway system, scaled by fleet size.
What UCR is not
New carriers routinely confuse UCR with other registrations. It is none of these:
| UCR is not… | That is… |
|---|---|
| A license to operate for hire | Operating authority (MC number) from FMCSA — a separate, one-time registration |
| Insurance | Filed separately with FMCSA (BMC-91 and similar forms) |
| License plates | IRP apportioned plates, or ordinary state registration |
| A fuel tax | IFTA |
| The heavy-vehicle tax | Form 2290 (HVUT), paid to the IRS |
| Your company number | The USDOT number. UCR is tied to it but does not issue it |
See UCR vs other registrations for the full comparison.
Where it came from
| Year | What happened |
|---|---|
| Before 1991 | Interstate carriers registered and paid in almost every state separately. |
| 1991 | Congress created the Single State Registration System (SSRS): register through one base state, which distributed the money. |
| 1995 | Congress told DOT to replace SSRS with a single online system. It never happened. |
| August 10, 2005 | The Unified Carrier Registration Act of 2005 (section 4305 of SAFETEA-LU) created UCR and added 49 U.S.C. 14504a. |
| January 1, 2007 | SSRS abolished; UCR took its place. First collections began in 2007–2008. |
| 2010 | Fees nearly doubled for the smallest bracket. |
| 2019–2024 | A run of fee reductions as the program collected more than its statutory cap. |
| 2025–2026 | Fees rose to $46 for 0–2 vehicles. |
| September 1, 2026 | FMCSA finalised a roughly 20% increase for 2027 ($55 for 0–2 vehicles), effective October 1, 2026. |
Why it is built this way: states had been collecting SSRS money from carriers. The 2005 Act guaranteed them a replacement for that revenue through one simplified system, which is why each state's share is still pegged to what it received under SSRS.
Who runs it
The UCR Plan is the body of state, federal and industry representatives that administers the UCR Agreement. Its 15-member board is appointed by the Secretary of Transportation: four heads of state UCR agencies (one per FMCSA region), five more state UCR officials, five industry representatives (at least one from a national trucking association and one from a carrier in the smallest bracket), and FMCSA's deputy administrator. Terms run three years and meetings are open, announced in the Federal Register.
Three subcommittees are required by statute: Audit (checks that states enforce the program and produces the FARs reports), Dispute Resolution, and an Industry Advisory subcommittee made up only of people who pay UCR themselves.
Two official websites: www.ucr.gov is the National Registration System (register, pay, check status); plan.ucr.gov holds the FAQ, fee brackets, participating states, audit rules, board materials and the UCR Dispatch newsletter.
The law and documents
| Document | What it does |
|---|---|
| 49 U.S.C. 14504a | The statute: definitions, the board, fee rules, distribution of money, state powers. |
| 49 U.S.C. 14506 | Forbids states from requiring any credential, sticker or cab card in the vehicle beyond federal ones. |
| 49 CFR Part 367 | The fee tables by year: §367.30 (2024), §367.40 (2025–2026), §367.50 (2027 and later). |
| UCR Agreement | The agreement between the Plan and the 41 states. |
| UCR Handbook (effective Feb 29, 2024) | The official manual on who pays, how to register and how to count vehicles. Controls in disputes. |
| Federal Register | Every fee change is published here. The latest is the September 1, 2026 final rule. |
Key points from the statute: fees for carriers scale with the number of commercial motor vehicles; brokers and leasing companies pay the lowest bracket; there must be four to six brackets (there are six); the Secretary sets fees on the board's recommendation within 90 days, with public comment; surplus collections lower the next year's fees and shortfalls can raise them; states may impose “reasonable fines and penalties” for non-payment.
Where the money goes
Your base state keeps its statutory share (its “entitlement”). Anything above that goes to the UCR depository, which tops up states that collected less than their share, pays the Plan's administration (the website, audits, legal costs), and holds any remainder — which is why fees fall in a year after over-collection. The total the program must raise is roughly $118 million a year.
A state's share equals what it earned under SSRS in the last year before the 2005 Act, plus what it collected from interstate carriers for intrastate registration; states that never ran SSRS get at most $500,000 a year. Shares don't change; only fees do. To participate, a state must spend at least what it receives on motor-carrier safety programs, enforcement and UCR administration.
In return, §14504a(c) bars states from requiring interstate carriers to register their interstate operations separately, pay separate fees for it, file insurance with the state, or carry extra credentials. One UCR payment replaces what used to be dozens of state registrations — that is the point of the program.