Congressional Votes on Surface Transportation Authorizations, 1978-2021

Prior to 1978, Congress enacted separate highway and public transportation authorization acts. Congress began passing multiyear surface transportation authorization acts in 1978. These acts were often extended prior to the passage of subsequent multiyear acts. This report compiles congressional votes on enacted multiyear legislation related to surface transportation authorizations as well as information regarding the extensions of these acts. CRS obtained the information presented in this report from Congress.gov, the Congressional Quarterly Almanac, and the Federal Highway Administration. The current surface transportation authorization, which is Division A of the Infrastructure Investment and Jobs Act (P.L. 117-58), expires on September 30, 2026.