StacksVerified U.S. regulatory reference

10 CFR §431.221

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
This subpart contains energy conservation requirements for traffic signal modules and pedestrian modules, pursuant to Part B of Title III of the Energy Policy and Conservation Act, as amended, 42 U.S.C. 6291-6309.