HIGHWAY FUNDING: Information on Variables for Potential New Formula Grant Programs

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July 15th, 2025

The Infrastructure Investment and Jobs Act authorized and appropriated over $300 billion in funding for highway formula programs for fiscal years 2022 through 2026. As Congress deliberates about what to include in the next surface transportation authorization, it may create new formula programs, which it has done in some prior surface transportation authorizations.

GAO was asked about variables that could be used for potential new federal highway formula programs. This report describes: (1) the views of selected stakeholders with expertise and federal highway funding recipients on variables that could be used for potential new federal highway formula programs and (2) federal data that could measure these variables.

Read the full report here.