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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 30, 2025
All Titles
Title 23
Chapter I
Part 490
Subpart F - Subpart F—National Performance Management Measures To Assess Freight Movement on the Interstate System
§ 490.601 - Purpose.
§ 490.603 - Applicability.
§ 490.605 - Definitions.
§ 490.607 - National performance management measures to assess freight movement on the Interstate System.
§ 490.609 - Data requirements.
§ 490.611 - Calculation of Truck Travel Time Reliability metrics.
§ 490.613 - Calculation of Freight Reliability measure.
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