U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 10Chapter IIPart 431Subpart M - Subpart M—Traffic Signal Modules and Pedestrian Modules

TEST PROCEDURES
§ 431.223 - Materials incorporated by reference.
§ 431.224 - Uniform test method for the measurement of energy consumption for traffic signal modules and pedestrian modules.
§ 431.221 - Purpose and scope.
§ 431.222 - Definitions concerning traffic signal modules and pedestrian modules.

ENERGY CONSERVATION STANDARDS
§ 431.226 - Energy conservation standards and their effective dates.
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