U.S. Senators Tom Coburn, M.D. (R-OK), John McCain (R-AZ), David Vitter (R-LA), Orrin Hatch (R-UT), John Cornyn (R-TX), Johnny Isakson (R-GA), Daniel Coats (R-IN), Mike Lee (R-UT), Rob Portman (R-OH) and Representatives James Lankford (R-OK) and Jeff Flake (R-AZ) today introduced the State Transportation Flexibility Act that would allow state transportation departments to opt out of the Federal-Aid Highway and Mass Transit programs.