Work Zone Mobility and Safety Program
Photo collage: temporary lane closure, road marking installation, cone with mounted warning light, and drum separated work zones.
Office of Operations 21st Century Operations Using 21st Century Technologies

Regulation and Policy

traffic sign reading "Highway Workers - Give 'em a Brake"

Work Zone Safety and Mobility Rule (Subpart J)

The Work Zone Safety and Mobility Rule was published in the Federal Register (89 FR 87293) on November 1, 2024, with an effective date of December 2, 2024. This subpart establishes requirements and provides guidance for systematically addressing the safety and mobility impacts of work zones, and for developing strategies to help manage these impacts on Federal-aid highway projects.
The resources below were developed for the Work Zone Safety and Mobility Rule was published in the Federal Register (69 FR 54562) on September 9, 2004 with an effective date of October 12, 2007.

Temporary Traffic Control Devices Rule (Subpart K)

The Temporary Traffic Control Devices Rule was published in the Federal Register (89 FR 87296) on November 1, 2024, with an effective date of December 2, 2024. This subpart is applicable to all Federal-aid highway projects, and reduces the likelihood of highway work zone fatalities and injuries to workers and road users by establishing minimum requirements and providing guidance for the use of positive protection devices between the work space and motorized traffic; installation and maintenance of temporary traffic control devices; use of uniformed law enforcement officers during construction, utility, and maintenance operations; and by requiring contract pay items to ensure the availability of funds for these provisions.

The resources below were developed for the Temporary Traffic Control Devices Rule was published in the Federal Register (72 FR 68480) on December 5, 2007 with an effective date of December 4, 2008.