TRB’s National Cooperative Highway Research Program (NCHRP) Web-Only Document 188: Survey of State Funding for Public Transportation—Ways to Improve It includes suggestions on ways to potentially improve the Survey of State Funding for Public Transportation. Areas covered by the report include definition of major terms, post-submission data checks, improved accessibility, non-transit related ferry funding, and overall data collection.

The Survey of State Funding for Public Transportation report, which is prepared under the auspices of the American Association of State Highway and Transportation Officials (AASHTO) and the American Public Transit Association, includes information on state-level public transportation funding, the source of funds, the potential use of funds, and the method of funding distribution for each transit program.