S. 1733 (119th)Bill Overview

Highway Funding Transferability Improvement Act

Transportation and Public Works|Government trust fundsRoads and highways
Cosponsors
Support
Bipartisan
Introduced
May 13, 2025
Discussions
Bill Text
Current stageCommittee

Committee on Environment and Public Works Senate Subcommittee on Transportation and Infrastructure. Hearings held.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

This bill amends 23 U.S.C. §126(a) to change the statutory transferability cap on certain Federal-aid highway funds from 50 percent to 75 percent. In other words, states would be able to transfer up to 75% of specified federal highway funds between eligible programs, increasing state flexibility over how apportioned funds are used.

Why people may split

Flexibility for transit/climate investments versus highway funding predictability

Watch point

Relative to its intended legislative type, this bill is a narrowly targeted statutory amendment that is precise in mechanism and integration but minimal in explanatory, fiscal, and oversight detail.

This bill amends 23 U.S.C. §126(a) to change the statutory transferability cap on certain Federal-aid highway funds from 50 percent to 75 percent.

In other words, states would be able to transfer up to 75% of specified federal highway funds between eligible programs, increasing state flexibility over how apportioned funds are used.

Passage38/100

Technically simple and administratively feasible, but redistributive effects on transit/highway budgets create targeted opposition that lowers standalone odds.

CredibilityAligned

Relative to its intended legislative type, this bill is a narrowly targeted statutory amendment that is precise in mechanism and integration but minimal in explanatory, fiscal, and oversight detail.

Contention55/100

Flexibility for transit/climate investments versus highway funding predictability

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
States · Permitting processLikely burdened

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • StatesIncreases state flexibility to reallocate highway funds to other eligible transportation priorities.
  • Potential benefitCould enable larger investments in public transit, active transportation, and congestion mitigation projects.
  • Permitting processMay reduce lapsed or unspent highway balances by permitting broader reallocation choices.
Likely burdened
  • Potential burdenReduces the guaranteed portion of funds available for highway construction and maintenance.
  • Potential burdenMay lower highway construction activity and related jobs if funds shift away from capital projects.
  • Potential burdenCould complicate multi-year highway program planning and long-term pavement preservation strategies.
03 · Why people split

Why the argument around this bill splits.

Flexibility for transit/climate investments versus highway funding predictability
Progressive80%

Progressives will generally view increased transferability as a tool to shift federal highway dollars into transit, climate, and equity-focused projects.

They will welcome flexibility to support public transit, EV charging, safety, and disadvantaged communities, while wanting accountability and equity safeguards.

Leans supportive
Centrist60%

Moderates will see practical benefits from increased state flexibility but worry about predictability for long-term highway projects.

They will want guardrails, reporting, and limited oversight to prevent unintended funding shortfalls or accounting confusion.

Split reaction
Conservative45%

Mainstream conservatives will be split: some welcome state flexibility and reduced federal micromanagement, others worry funds will be diverted away from highways to favored non-highway programs.

They will emphasize protecting highway maintenance and limiting federal strings.

Split reaction
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood38/100

Technically simple and administratively feasible, but redistributive effects on transit/highway budgets create targeted opposition that lowers standalone odds.

Scope and complexity
24%
Scopenarrow
24%
Complexitylow
Why this could stall
  • Absent CBO or cost estimate
  • Net effect on transit program funding allocation
05 · Recent votes

Recent votes on the bill.

No vote history yet

The bill has not accumulated any surfaced votes yet.

06 · Go deeper

Go deeper than the headline read.

Included on this page

Flexibility for transit/climate investments versus highway funding predictability

Technically simple and administratively feasible, but redistributive effects on transit/highway budgets create targeted opposition that low…

Unlocked analysis

Relative to its intended legislative type, this bill is a narrowly targeted statutory amendment that is precise in mechanism and integration but minimal in explanatory, fiscal, and oversight detail.

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis