The U.S. Department of Transportation (USDOT) is the federal agency behind the nation's roads, bridges, transit, ports, and airports. Through its operating administrations — the Federal Highway Administration (FHWA), the Federal Transit Administration (FTA), and others — and supercharged by the Bipartisan Infrastructure Law (BIL/IIJA), it puts tens of billions of dollars a year into transportation projects, much of it reaching local projects through state departments of transportation. For a town, city, county, or special district, USDOT is often the single most important funder of any road, bridge, or transit project. This guide walks through who can apply, the major grant programs, what the money pays for, the application steps, and the mistakes that sink otherwise-strong applications.
Who Can Apply for USDOT Grants
Eligibility varies by program, but the most common eligible applicants are:
- States and state DOTs — which receive the bulk of federal highway and transit money by formula and re-grant much of it to local projects.
- Units of local government — cities, towns, counties, and townships sponsoring road, bridge, safety, or transit projects.
- Metropolitan planning organizations (MPOs) and regional planning bodies — which program and prioritize federal transportation funds in their regions.
- Transit agencies and special districts — transportation, port, and transit authorities.
- Tribal governments — eligible for tribal transportation programs and many discretionary grants.
Each notice of funding opportunity (NOFO) spells out exactly which entity types are eligible. For the largest discretionary programs, small jurisdictions frequently apply jointly with their state DOT or MPO, which can also handle the federal-aid project administration. Confirm whether your project must go through your state DOT before you start.
The Major USDOT Grant Programs
USDOT is not a single grant — it is a set of formula and discretionary programs across several administrations. The ones most local governments encounter are:
| Program | What it funds |
|---|---|
| RAISE (discretionary) | Surface transportation projects of local and regional significance — roads, bridges, transit, and multimodal projects, with a strong planning and small-community set-aside. |
| Bridge programs (FHWA) | Replacement and rehabilitation of highway bridges, including formula bridge funds and competitive bridge programs. |
| Safe Streets and Roads for All (SS4A) | Local and regional safety planning and implementation to reduce roadway deaths and serious injuries. |
| Transit (FTA) | Capital, bus, and low-/no-emission vehicle programs, and formula funds for transit agencies and rural transit. |
| State DOT formula funds | The federal-aid highway program that states re-grant to local road, bridge, and complete-streets projects. |
The most common first-time mistake is treating "USDOT funding" as one thing. Identify the specific program and NOFO that matches your project's type and stage before you write a word.
What USDOT Grants Can Pay For
Allowable costs are tied to the program, but generally include:
- Construction and reconstruction of roads, bridges, and intersections.
- Sidewalks, bike facilities, and complete-streets and safety improvements.
- Transit vehicles, facilities, and service expansion.
- Planning, design, engineering, and environmental review — often funded ahead of construction.
- Project management, and the required federal-aid oversight and reporting.
USDOT funds the cost of building and improving the transportation system. Most programs require a non-federal match (commonly 20%, with reduced or waived match for small or rural communities under several BIL programs), so build your local share into the project from the start. Read the NOFO's cost-share and allowable-cost sections closely — they are specific.
How to Apply: Step by Step
- Find the right NOFO. USDOT posts discretionary notices of funding opportunity on Grants.gov and on transportation.gov. Watch for forecasted programs so you can prepare before the window opens.
- Confirm eligibility and your state-DOT path. Verify your applicant type and whether the project must be administered through your state DOT or MPO. Resolve this before you invest in writing.
- Get the project ready. Discretionary programs reward project readiness — a defined scope, a planning study or preliminary engineering, and a credible schedule. A project with an environmental class of action identified scores better than a concept.
- Build the benefit-cost analysis (BCA). The largest discretionary programs require a benefit-cost analysis. A weak or missing BCA is one of the most common reasons strong-sounding projects lose. Follow USDOT's BCA guidance exactly.
- Write the narrative against the selection criteria. Every NOFO publishes the merit criteria (safety, state of good repair, economic impact, equity, climate). Write to those headings and tie your project to each.
- Line up the local match and letters of support. Document a committed non-federal match and gather support from the state DOT, MPO, and elected officials. Uncommitted match weakens the application.
- Register in the federal systems early. You need active SAM.gov and Grants.gov registrations. They take time — start well ahead of the deadline.
- Submit early. USDOT deadlines are firm. Late or incomplete packages are screened out before review.
Why USDOT Applications Get Rejected
- Applying to the wrong program, or for a project the NOFO doesn't fund.
- A project that isn't ready — no scope, no planning, no environmental path identified.
- A weak or missing benefit-cost analysis (a frequent scoring failure on discretionary programs).
- A narrative that doesn't track the published selection criteria.
- An uncommitted or undocumented non-federal match.
- SAM.gov or Grants.gov registration not active in time.
Find Open Infrastructure & USDOT Grants
FindGrants tracks open infrastructure and public works opportunities for municipalities, counties, and special districts, including USDOT, EPA water, and Bipartisan Infrastructure Law programs. You can browse transportation grants and water and wastewater grants specifically, or — if you run a town, county, district, or authority — start with the municipal funding hub. When you're ready to apply, the application builder drafts a complete, export-ready package against the funder's requirements.
The Bottom Line
USDOT rewards applicants who get the fundamentals right: the correct program for the project, a ready and well-scoped project, a sound benefit-cost analysis, a narrative that tracks the selection criteria, and a committed local match. Get those right and you're ahead of most of the field. Run your organization's profile to see the infrastructure and USDOT grants you qualify for right now.