CFR › Title 10 › Part 431 › §431.22610 CFR §431.226Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkAny traffic signal module or pedestrian module manufactured on or after January 1, 2006, shall meet both of the following requirements:(a)Have a nominal wattage and maximum wattage no greater than:(b)Be installed with compatible, electrically connected signal control interface devices and conflict monitoring systems.