From the Document: "Surface transportation reauthorization acts fund federal highway and public transportation programs, along with transportation research, intercity passenger rail, and other programs. The five-year Fixing America's Surface Transportation Act (FAST Act; P.L. 114-94) authorized federal spending on highways and public transportation for FY2016-FY2020. A one-year FAST Act extension, through September 30, 2021, was enacted as part of the Continuing Appropriations Act, 2021, and other Extensions Act (P.L. 116-159). Infrastructure legislation could be considered in conjunction with FAST Act reauthorization."
CRS In Focus, IF11125
Congressional Research Service: https://crsreports.congress.gov/