StacksVerified U.S. regulatory reference

23 CFR §490.513

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)The NHS Performance measures in § 490.507 shall be calculated in accordance with this section by State DOTs and MPOs to carry out the Interstate System and non-Interstate NHS performance-related requirements of this part, and by FHWA to make the significant progress determinations specified in § 490.109 and to report on system performance.
  2. (b)The Interstate Travel Time Reliability measure specified in § 490.507(a)(1) shall be computed to the nearest tenth of a percent as follows: