This Act may be cited as the Safety Grant Consistency Act.

(a) Definitions In this section: (1) Highway safety grant programs The term highway safety grant programs means the programs under sections 402 and 405 of title 23, United States Code. (2) Secretary The term Secretary means the Secretary of Transportation. (b) Prohibitions; requirements Notwithstanding any other provision of law, the Secretary— (1) may not establish new performance measures or regulatory or program requirements relating to the highway safety grant programs not in effect before the date of enactment of this Act; and (2) shall ease or eliminate any requirement relating to the highway safety grant programs not explicitly authorized or required by an Act of Congress.