Transportation Government Bids & RFPs
0 open transportation procurement opportunities from federal, state, and local agencies nationwide.
How many transportation government bids are open right now? 0 as of November 9, 2026. Browse the full list below.
Latest Transportation Opportunities
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About transportation government procurement
Government transportation procurement covers highway construction and maintenance, bridge and tunnel work, transit vehicles (buses, light rail, commuter rail), airport infrastructure, port and marine terminals, traffic-signal systems, fleet vehicles, snow-removal services, and school-bus operations. State Departments of Transportation (DOTs) are the largest buyers — collectively spending over $180B annually on capital and operations. Federal Highway Administration (FHWA) reimburses states for interstate work, adding federal compliance requirements.
Solicitations range from small maintenance IDIQ contracts to multi-billion-dollar megaprojects. Highway construction dominates by dollar value (asphalt, concrete, earthwork, guardrail, striping). Bus procurement is a distinct niche — federal Buy America rules (49 CFR 661) require 70% US content and final assembly in the US for FTA-funded purchases. School districts contract for pupil transportation in one of two models: fleet-owned (district drives) or contracted (companies like First Student, Student Transportation of America).
Federal funding drives most large state DOT work. Federal Highway Trust Fund reimbursement requires Davis-Bacon wages, DBE (Disadvantaged Business Enterprise) subcontracting goals typically 8–15%, and Buy America for iron and steel. Federal Transit Administration (FTA) funding on rail and bus projects adds similar rules plus vehicle Buy America. Airport work under AIP grants adds MAP-21 subcontracting requirements.
DBE certification is the single most valuable credential in transportation. Certified DBE prime contractors get preference; non-DBE primes need certified DBE subcontractors to hit their goals. WOSB and SDVOSB overlap with DBE in many states. Small businesses win consistently in: striping, guardrail, landscaping, traffic-signal maintenance, snow removal, fleet services, and specialty engineering (structural, geotechnical, environmental).
Common NAICS codes for transportation contracts
- 236220 Commercial and Institutional Building Construction
- 237110 Water and Sewer Line Construction
- 237310 Highway, Street, and Bridge Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238910 Site Preparation Contractors
- 336111 Automobile Manufacturing
- 336120 Heavy Duty Truck Manufacturing
- 336211 Motor Vehicle Body Manufacturing
- 336510 Railroad Rolling Stock Manufacturing
- 484220 Specialized Freight Trucking (except used goods)
- 485410 School and Employee Bus Transportation
- 541330 Engineering Services
- 541340 Drafting Services
- 541370 Surveying and Mapping Services
Set-asides in transportation
DBE (Disadvantaged Business Enterprise) is the dominant preference. Federal-aid highway and transit projects impose contract-specific DBE goals (typically 8–15%). DBE certification is state-controlled — apply through the state DOT's Unified Certification Program. Small businesses may qualify as DBE, WOSB, HUBZone, and SDVOSB simultaneously; each certification opens different set-aside pools.
When transportation bids are posted
State DOT solicitations peak in early spring (bid opening for summer construction) and late summer (fall paving). Winter maintenance contracts advertise in Q3. FTA bus procurement runs continuously but clusters around federal-fiscal-year end (September). School-bus operator contracts renew before each school year (Feb–May).
Transportation Procurement — Frequently Asked Questions
Who buys transportation infrastructure services?
State Departments of Transportation are the biggest buyers by dollar value. Federal buyers include FHWA (highway), FTA (transit), FAA (airports), and USACE (waterways). Municipal buyers include cities (streets), counties (rural roads), transit agencies (buses/rail), airport authorities, and port authorities. School districts buy pupil transportation.
What is a DBE and why does it matter for transportation contracts?
DBE (Disadvantaged Business Enterprise) is a US DOT certification for small businesses at least 51% owned by socially and economically disadvantaged individuals. Federal-aid highway, transit, and airport contracts require DBE subcontracting goals (typically 8–15%). Certified DBE primes and subs get preference; non-DBE primes must recruit DBE subs.
What is Buy America and how does it apply to transit vehicles?
Federal transit projects (FTA-funded) require 70% US content and final assembly in the US for buses, rail cars, and steel-and-iron components (49 CFR 661). Waivers exist but are limited. Bus manufacturers like New Flyer, GILLIG, Proterra maintain US assembly plants specifically to comply.
How do state DOT construction bids work?
State DOTs advertise "letting" schedules 6-8 weeks in advance. Bidders submit sealed unit-price bids on a defined bill of quantities. Award goes to the lowest responsive bidder who is pre-qualified (states require prequalification for work over certain dollar thresholds — usually $250K–$1M). Federal-aid projects add Davis-Bacon wages and Buy America.
What NAICS codes are used for transportation contracts?
Highway/bridge work uses 237310. General heavy civil is 237990. Site prep is 238910. Vehicle manufacturers use 336xxx codes. Engineering services use 541330 (engineering), 541370 (survey), 541620 (environmental consulting). School-bus operators use 485410.
Can small businesses win DOT contracts?
Yes, especially DBE-certified firms. Federal-aid projects specifically require DBE subcontracting. Non-federal state DOT work also has small-business preferences (SBE, MBE, WBE) that vary by state. Strong small-business niches: striping, guardrail, traffic-signal work, environmental compliance, materials testing, and specialty engineering.
What is a pupil transportation contract?
School districts either own their bus fleet and hire drivers, or contract with a private operator (First Student, Durham, National Express, Student Transportation of America). Contracts typically run 3–5 years plus renewals. Vendors provide vehicles, drivers, dispatching, maintenance, and safety compliance. Contract values scale with enrollment.