WinAContractUS

US federal contract search

Search live federal opportunities

Every active solicitation posted to SAM.gov, searchable by keyword, agency, NAICS, state, and set-aside. Free to search — no account required.

Opportunities indexed

22,258

Open right now

9,478

Departments

56

Newest posted

Jun 10, 2026

Try:
Advanced — exact dates & codes
Clear all filters

135 opportunities

TRANSPORTATION, DEPARTMENT OFIncl. closed/awards
Combined Synopsis/SolicitationSmall Business
Closed

Remediation and Restoration

Transportation, Department of

238910 · Specialty Trade Contractors Georgia Posted May 24, 2026
SolicitationNONE
Closes in 13 days

Remote Tower Systems (RTS) for the National Airspace System (NAS)

Transportation, Department of

488119 · Support Activities for Transportation District of Columbia Posted May 22, 2026
Special Notice
Closes in 2 days

Sole Source Special Notice / Pre-Solicitation Notice for a project involving contractor-work to be performed on a Tellabs-Based Passive Optical Local Area Network (LAN) Upgrade for the U. S. Department of Transportation (DOT)

Transportation, Department of

541512 · Computer Systems Design Services District of Columbia Posted May 22, 2026
Combined Synopsis/SolicitationNONE
Closed

Headquarters Building (HQB) Mechanical and Electrical Upgrades at the Mike Monroney Aeronautical Center (MMAC), Oklahoma City, OK.

Transportation, Department of

236220 · Commercial and Institutional Building … Oklahoma Posted May 22, 2026
Special Notice

AJW Portfolio-AJW Integrated Support Services (AISS), and Business, Financial and Administrative Support (BFAS) Requests for Information

Transportation, Department of

541990 · All Other Professional, Scientific, an… District of Columbia Posted May 22, 2026
SolicitationNONE
Closes in 21 days

SOLICITATION: Construction of a new Very High Frequency Omnidirectional Range/Tactical Air Navigation (VORTAC) building in Leeville, LA (LEV)

Transportation, Department of

236220 · Commercial and Institutional Building … Louisiana Posted May 22, 2026
Sources SoughtNONE
Closed

Request for Information/Market Survey for Non-Rotating Antennas to Support NAS Modernization and On-Going BNATCS Efforts

Transportation, Department of

Posted May 22, 2026
SolicitationHUBZone
Closed

Cherokee National Forest Project TN ERFO FS CHRKE804 2020-2(4)

Transportation, Department of

237310 · Highway, Street, and Bridge Constructi… Tennessee Posted May 22, 2026
Solicitation
Closes in 10 days

HUM MALSR Demo and Replacement

Transportation, Department of

237310 · Highway, Street, and Bridge Constructi… Louisiana Posted May 22, 2026
Sources SoughtNONE
Closed

INDUSTRY DAY NOTICE for New York Terminal Radar Approach Control Facility (N90)

Transportation, Department of

236220 · Commercial and Institutional Building … New York Posted May 22, 2026
Combined Synopsis/SolicitationNONE
Closed

Suisun Bay Reserve Fleet (SBRF) FB-681 Drydocking & Repair

Transportation, Department of

336611 · Transportation Equipment Manufacturing California Posted May 06, 2026
SolicitationHUBZone
Closed

Project TN ERFO FS CHRKE804 2020-2(1) - Cherokee National Forest

Transportation, Department of

237310 · Highway, Street, and Bridge Constructi… Tennessee Posted May 06, 2026
Sources SoughtSmall Business
Closed

Weed Control and Groundskeeping Services at Albuquerque ARTCC

Transportation, Department of

561730 · Landscaping Services New Mexico Posted May 06, 2026
SolicitationSBP
Closed

Construction Inspection IDIQ

Transportation, Department of

541330 · Engineering Services Posted May 06, 2026
SolicitationSmall Business
Closed

ADS Cab Glass Replacement

Transportation, Department of

238150 · Specialty Trade Contractors Texas Posted May 06, 2026
Sources Sought
Closed

Quality Assurance (QA) and Quality Control (QC) Services for the State Electronic Data Transfer (EDT) Crash Data

Transportation, Department of

541614 · Process, Physical Distribution, and Lo… District of Columbia Posted May 06, 2026
SolicitationHUBZone
Closed

Cherokee National Forest

Transportation, Department of

237310 · Highway, Street, and Bridge Constructi… Tennessee Posted May 06, 2026
PresolicitationSmall Business
Closed

Yakutat Bldg 101 Removal Action

Transportation, Department of

562910 · Remediation Services Alaska Posted May 06, 2026
Combined Synopsis/SolicitationSmall Business
Closed

BRAND NAME Leica iCON GNSS Equipment Packages and peripheral services

Transportation, Department of

334511 · Search, Detection, Navigation, Guidanc… Posted May 05, 2026
Sources Sought
Closed

ABS (American Bureau of Shipping) special periodical survey drydocking

Transportation, Department of

336611 · Transportation Equipment Manufacturing Posted May 05, 2026
Special Notice
Closes Oct 01, 2026

Acquisition Support Services Contract (ASSC) for all FAA Acquisition and Contracting Organizations

Transportation, Department of

561990 · Administrative and Support Services Posted May 05, 2026
Sources SoughtNONE
Closed

USMMA Food Services - Market Survey

Transportation, Department of

722310 · Food Services and Drinking Places New York Posted May 04, 2026
Award NoticeSmall Business

James River Reserve Fleet HV Cable Expansion

Transportation, Department of

423610 · Electrical Apparatus and Equipment, Wi… Virginia Posted May 04, 2026 $41k award
Justification

cybersecurity management support services

Transportation, Department of

541512 · Computer Systems Design Services District of Columbia Posted May 01, 2026
SolicitationNONE
Closes in 7 days

Research Initiatives in Support of FHWA Bridges and Structures Programs: Call 4.0

Transportation, Department of

541330 · Engineering Services Posted May 01, 2026