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The 50-state transportation finance database and interactive map is the most comprehensive resource of its kind based on the Transportation Governance and Finance: A 50-State Review of State Legislatures and Departments of Transportation report. Combined with existing Clearinghouse state-by-state benchmarking data, this enhanced module developed in partnership with the National Conference of State Legislatures highlights the roles and relationships among the branches of state government that are most active in transportation issues.

Revenue Funding & Financing

Track recent bursts of state-level initiatives from around the country aimed at raising revenues for transportation investment. A regularly-updated document examines recent state transportation revenue initiatives by state, in detail.

State Transportation Funding Proposals

About the Clearinghouse

The AASHTO Transportation Finance Clearinghouse provides comprehensive funding and financing information for surface transportation. This website, based on the operations of the AASHTO Center for Excellence in Project Finance between 2008 and 2013, includes an encyclopedia of various revenue and financing tools available to project sponsors, an examination of current state-level transportation revenue and funding efforts, a 50-state database of transportation funding and governance frameworks, a set of case studies highlighting unique and complex projects, and a list of useful resources and links in the transportation finance sector. For more information about AASHTO and the State DOTs, please visit

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