Agency opportunities
Department of Transportation (DOT) contracts
Live DOT solicitations open for bid on SAM.gov. Approximately $12 billion in direct contracts; over $80 billion in grants (much of which flows to state DOT procurement).
64 opportunities open now
Headquarters Building (HQB) Mechanical and Electrical Upgrades at the Mike Monroney Aeronautical Center (MMAC), Oklahoma City, OK.
Transportation, Department of
Legacy Radar Electronics and Cabinet Disposition
Transportation, Department of
SOLE SOURCE SPECIAL NOTICE
Transportation, Department of
Ground Maintenance and Snow Removal Services
Transportation, Department of
Notice of Intent to Single Source: Weston Solutions, Inc. (Weston)
Transportation, Department of
VHF/FM Radio Equipment, Software, & Associated Support Services
Transportation, Department of
Intersection Safety Systems (ISS) Prototyping
Transportation, Department of
Headquarters Building (HQB) Mechanical and Electrical Upgrades at the Mike Monroney Aeronautical Center (MMAC), Oklahoma City, OK.
Transportation, Department of
Request for Information (RFI) regarding the potential to lease new RO/ROs vessels.
Transportation, Department of
S&RTS, Gdansk, Poland
Dept of Defense
VHF/FM Radio Equipment, Software, & Associated Support Services
Transportation, Department of
Guam S&RTS Solicitation
Dept of Defense
Works Association (APWA) Membership
Transportation, Department of
Renovation of the Thomas P. Stafford Building at the Mike Monroney Aeronautical Center
Transportation, Department of
Paving Improvements at Eisenhower and Snell Locks
Transportation, Department of
NV FLAP NYE 10(1) Bob Ruud Mem Hwy & Bell Vista Ave
Transportation, Department of
ARP HQ Strategic Planning Support
Transportation, Department of
WA NP MORA 11(1), Fryingpan Creek Bridge
Transportation, Department of
U.S. Department of Transportation Small Business Innovation Research Fiscal Year 2026 Phase I Solicitation
Transportation, Department of
"How To Do Business With TSA Webinar"
Homeland Security, Department of
ZMP ARTCC Water Treatment Services, MN
Transportation, Department of
Mike Monroney Aeronautical Center (MMAC) D11 Building 219 Renovation
Transportation, Department of
Seeking vendors for Remote Tower Systems (RTS) for the National Airspace System (NAS)
Transportation, Department of
NV FLAP NYE 10(1) Bob Ruud Mem Hwy & Bell Vista Ave
Transportation, Department of
Project TN ERFO FS CHRKE804 2020-2(1) - Cherokee National Forest
Transportation, Department of
Common DOT NAICS codes
About contracting with the DOT
The Department of Transportation's direct contracting footprint is modest compared to DoD or HHS, but its influence on procurement is enormous because most federal transportation money flows out to state and local governments as formula and discretionary grants — and those funds get spent through state DOT procurement. The Federal Highway Administration alone passes more than $50 billion annually to state DOTs, who then award construction and engineering contracts under federal-aid rules. For contractors, this means the bulk of "federal" highway work shows up on state-DOT procurement portals rather than on SAM.gov, even though the funding source is federal. The Federal Aviation Administration is the largest direct DOT contracting office, with sustained procurement for air-traffic-control systems, the NextGen modernisation programme, radar and surveillance equipment, simulators, and engineering support services. The Volpe National Transportation Systems Center in Cambridge, MA, is DOT's in-house R&D centre and contracts for transportation research, modelling, and analysis. The Federal Transit Administration administers grants to transit agencies, with limited direct contracting; the Federal Railroad Administration similarly works largely through grant programmes and Amtrak. NHTSA buys for automotive safety research, crash testing, and standards development. The Maritime Administration runs Title XI loan guarantees, the National Maritime Strategy, and contracts for the Ready Reserve Force ship maintenance. DOT runs an active DBE (Disadvantaged Business Enterprise) programme — though DBE is principally enforced as a flow-down requirement on federal-aid contracts let by state DOTs and transit agencies, not on direct DOT awards. Vendors targeting DOT directly should align with 541330 (engineering), 541715 (R&D), and the IT and consulting codes. Vendors targeting the broader transportation market should also register with state DOT procurement portals — see our state contracts pages for individual state coverage. Federal contract search and SAM.gov alternative tools help filter DOT direct awards.

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