Federal surface transportation laws rarely hand off cleanly. According to the Congressional Research Service, every multiyear surface transportation law since 1991 has been extended at least once, and one as many as 12 times. For state DOTs, transit agencies, and MPOs, extensions are a normal part of the planning cycle.

An extension does not always continue every funding stream the same way. Federal transportation dollars arrive through more than one channel, and the Infrastructure Investment and Jobs Act added advance appropriations for programs such as the Bridge Formula Program, Federal-State Partnership rail grants, and the National Electric Vehicle Infrastructure program. When the fiscal year 2027 extension did not cover those advance appropriations, AASHTO reported that no new funding for them would be available when the fiscal year began.

Rail shows how much this matters. In my work on rail programs, capital funding tended to arrive in waves, while highway programs draw on the steadier Highway Trust Fund. Planning a multiyear capital program around those waves is an ongoing challenge.

Map each commitment to its source

A list of planned obligations, each tagged with the funding stream behind it, shows quickly which work is exposed when one stream pauses.

Plan for more than one outcome

A short scenario for each funding path (continued, delayed, or changed) lets leaders decide in advance which work moves first.

Share priorities while proposals are in draft

Agencies can share their needs for the next long-term bill through their government affairs office and national associations such as AASHTO, APTA, and AMPO.

Funding will always shift. Knowing what depends on it is the part a program controls.

Sources

• Congressional Research Service (Lena A. Maman), "Congressional Votes on Surface Transportation Authorizations, 1978-2021" (R48937), 2026, congress.gov
• AASHTO Journal, "House Passes Senate CR to Extend Federal Gov't Funding," 2026, aashtojournal.transportation.org