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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 07, 2025
All Titles
Title 23
Chapter I
Part 490
Subpart E - Subpart E—National Performance Management Measures To Assess Performance of the National Highway System
§ 490.501 - Purpose.
§ 490.503 - Applicability.
§ 490.505 - Definitions.
§ 490.507 - National performance management measures for system performance.
§ 490.509 - Data requirements.
§ 490.511 - Calculation of National Highway System performance metrics.
§ 490.513 - Calculation of National Highway System performance measures.
§ 490.515 - [Reserved]
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