23 CFR § 490.701 - Purpose.

---
identifier: "/us/cfr/t23/s490.701"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "23 CFR § 490.701 - Purpose."
title_number: 23
title_name: "Highways"
section_number: "490.701"
section_name: "Purpose."
chapter_name: "FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "E"
subchapter_name: "PLANNING AND RESEARCH"
part_number: "490"
part_name: "NATIONAL PERFORMANCE MANAGEMENT MEASURES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "23 U.S.C. 134, 135, 148(i) and 150; 49 CFR 1.85."
regulatory_source: "81 FR 13913, Mar. 15, 2016, unless otherwise noted."
cfr_part: "490"
---


# 490.701 Purpose.

The purpose of this subpart is to implement the requirements of 23 U.S.C. 150(c)(5)(A) to establish performance measures for State DOTs and the MPOs to use in assessing CMAQ Traffic Congestion for the purpose of carrying out the CMAQ program.