23 CFR 490.607 - National performance management measures to assess freight movement on the Interstate System.

Regulations last checked for updates: May 03, 2025

Title 23 - Highways last revised: Apr 18, 2025

View all text of Subpart F [§ 490.601 - § 490.613]

§ 490.607 - National performance management measures to assess freight movement on the Interstate System.

The performance measure to assess freight movement on the Interstate System is the: Truck Travel Time Reliability (TTTR) Index (referred to as the Freight Reliability measure).

authority: 23 U.S.C. 134,135,148; 49 CFR 1.85

source: 81 FR 13913, Mar. 15, 2016, unless otherwise noted.

cite as: 23 CFR 490.607