On August 5, 2022, FHWA published a final rule in the federal register adding new provisions to the Manual on Uniform Traffic Control Devices (MUTCD) relating to maintaining minimum levels of pavement marking retroreflectivity. On December 19, 2023, the 11th Edition of the MUTCD was published. The 11th edition retained the standards, guidance and statements from from Revision 3 of the 2009 edition of the MUTCD. In the 11th edition it was moved to Section 3A.05.

• Final Rule Federal Register Notice
  Published on August 5, 2022 and effective September 6, 2022, this final rule provides background information explaining the new provisions in the MUTCD regarding Maintaining Minimum Pavement Marking Retroreflectivity.

• 11th Edition of the MUTCD
  This link takes you to the 11th Edition of the MUTCD. The standards, guidance, and statements are in Section 3A.05. There is also a new compliance date in the Introduction.

• Methods for Maintaining Pavement Marking Retroreflectivity, FHWA-SA-22-028
  This 2022 report provides technical guidance on methods for maintaining pavement marking retroreflectivity in accordance with the MUTCD. [Publication No. FHWA-SA-22-028]

For information about traffic control devices and the Manual on Uniform Traffic Control Devices (MUTCD), other than visibility or retroreflectivity, please see FHWA's MUTCD website