S. 1404 · 114th Congress State Transportation Flexibility Act StageIn committee SponsorRob Portman Introduced2015-05-20 Latest action2015-05-20 · Introduced in Senate Follow Summary Text Subjects Cosponsors (3) Votes (0) Actions Cosponsors (3) John Cornyn Current member Senate TX Republican Johnny Isakson Former member Senate GA Republican John McCain Former member Senate AZ Republican