23 CFR § 630.1110 - Maintenance of temporary traffic control devices.
---identifier: "/us/cfr/t23/s630.1110"source: "ecfr"legal_status: "authoritative_unofficial"title: "23 CFR § 630.1110 - Maintenance of temporary traffic control devices."title_number: 23title_name: "Highways"section_number: "630.1110"section_name: "Maintenance of temporary traffic control devices."chapter_name: "FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"subchapter_number: "G"subchapter_name: "ENGINEERING AND TRAFFIC OPERATIONS"part_number: "630"part_name: "PRECONSTRUCTION PROCEDURES"positive_law: falsecurrency: "2026-03-24"last_updated: "2026-03-24"format_version: "1.1.0"generator: "[email protected]"authority: "23 U.S.C. 106, 109, 112, 115, 315, and 402(a); sec. 1110, 1501, and 1503, Pub. L. 109-59, 119 Stat. 1144; Pub. L. 105-178, 112 Stat. 193; Pub. L. 104-59, 109 Stat. 582; Pub. L. 97-424, 96 Stat. 2106; Pub. L. 90-495, 82 Stat. 828; Pub. L. 85-767, 72 Stat. 896; Pub. L. 84-627, 70 Stat. 380; sections 1303 and 1405, Pub. L. 112-141, 126 Stat. 405; and 23 CFR 1.32 and 49 CFR 1.81 and 1.85."cfr_part: "630"---
Identifier
/us/cfr/t23/s630.1110
Currency
2026-03-24
Positive Law
No
Updated
2026-03-24
Chapter
Federal Highway Administration, Department of Transportation
Authority
23 U.S.C. 106, 109, 112, 115, 315, and 402(a); sec. 1110, 1501, and 1503, Pub. L. 109-59, 119 Stat. 1144; Pub. L. 105-178, 112 Stat. 193; Pub. L. 104-59, 109 Stat. 582; Pub. L. 97-424, 96 Stat. 2106; ... 23 U.S.C. 106, 109, 112, 115, 315, and 402(a); sec. 1110, 1501, and 1503, Pub. L. 109-59, 119 Stat. 1144; Pub. L. 105-178, 112 Stat. 193; Pub. L. 104-59, 109 Stat. 582; Pub. L. 97-424, 96 Stat. 2106; Pub. L. 90-495, 82 Stat. 828; Pub. L. 85-767, 72 Stat. 896; Pub. L. 84-627, 70 Stat. 380; sections 1303 and 1405, Pub. L. 112-141, 126 Stat. 405; and 23 CFR 1.32 and 49 CFR 1.81 and 1.85.
# 630.1110 Maintenance of temporary traffic control devices.To provide for the continued effectiveness of temporary traffic control devices, each agency shall develop and implement quality guidelines to help maintain the quality and adequacy of the temporary traffic control devices for the duration of the project. Agencies may choose to adopt existing quality guidelines such as those developed by the American Traffic Safety Services Association (ATSSA) or other state highway agencies.<sup>1</sup>[^] A level of inspection necessary to provide ongoing compliance with the quality guidelines shall be provided.<sup>1</sup> ATSSA's Quality Guidelines for Temporary Traffic Control Devices and Features uses photos and written descriptions to help judge when a traffic control device has outlived its usefulness. These guidelines are available for purchase from ATSSA through the following URL: *https://www.atssa.com/resource/quality-guidelines/.* Similar guidelines are available from various State highway agencies.