Transportation Grants in Idaho (2026)
There are currently 42 active transportation grants available to organizations in Idaho. Transportation grants fund public transit, road and bridge improvements, pedestrian and bicycle infrastructure, and transportation planning. GrantSonar tracks these opportunities and sends alerts when new transportation funding opens in ID.
Open Transportation Grants in Idaho
The intent of the PROTECT Competitive Grant Program is to fund projects to improve the resilience of the surface transportation system, including high…
NYMTC programs federal STBGP funds through its Transportation Improvement Program for road, bridge, transit, bicycle, and pedestrian projects in the N…
Biennial competitive solicitation for federal transportation funds in the Twin Cities region including roadway, transit, bicycle/pedestrian, and trans…
39 more open grants
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Transportation grants in Idaho: common questions
How many transportation grants in Idaho are available right now?
GrantSonar is tracking 42 open transportation grants in Idaho as of today. That count reflects opportunities that are currently accepting applications — closed rounds and award announcements are excluded, which is why it is smaller than the headline figures some directories advertise. Federal, state and foundation sources are re-ingested daily.
Who funds transportation grants in Idaho?
The most active funders behind the 42 open transportation grants in Idaho on this page are DOT — Transportation Programs, New York Metropolitan Transportation Council (NYMTC) and Metropolitan Council (Twin Cities Metro). Foundation funders are profiled from public IRS Form 990 / 990-PF filings, so you can see a funder's actual past giving rather than only its stated priorities.
Who is eligible for transportation grants in Idaho?
Eligibility for transportation grants in Idaho varies by opportunity, but the listings on this page are open to nonprofits, government agencies, school districts and other eligible organizations. Each listing states its own eligible applicant types, and GrantSonar filters your matches against your organization type, geography and programs so ineligible opportunities are demoted rather than surfaced.
Can an organization outside Idaho apply for these grants?
It depends on the opportunity. Some of the 42 listings here are national programs open to applicants anywhere in the U.S. and simply relevant to Idaho; others are restricted to Idaho organizations or to specific counties. Each listing shows its own geographic eligibility, and national programs are not excluded from this page.
When are the deadlines for transportation grants in Idaho?
Deadlines differ per opportunity and some are rolling with no fixed close date. Every listing on this page shows its own close date where the funder publishes one, and GrantSonar re-checks source pages so a deadline that moves is picked up rather than left stale.
Is there a free way to search transportation grants in Idaho?
Yes. This page is free to browse with no account. A free GrantSonar account additionally matches these transportation grants in Idaho against your organization's profile and eligibility, so you get a ranked shortlist rather than a list you filter by hand.
How often is this list of transportation grants in Idaho updated?
Daily. Federal, state and foundation sources are re-ingested every day, duplicate listings are collapsed onto a canonical record, and listing URLs are checked for rot — a stale catalogue is worse than a smaller current one, so dead links are flagged rather than left to look live.