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The Maryland Manual on Uniform Traffic Control Devices (MdMUTCD) is the combined document of the national set of traffic control device standards and guidance promulgated by Federal Highway Administration (FHWA) rulemaking on December 16, 2009 and Maryland Supplement to the MUTCD. The
BLUE text identifies modifications or additions to the Federal MUTCD. The text is identified throughout the MdMUTCD as Standard, Guidance, Option or Support based on the application. Click
HERE to access the previous version of MdMUTCD: 2006 EDITION REV-1, July 2009).
Revision to Table of Content TC-28, Section 6E.04 Automated Flagger Assistance Devices and Section 6E.06 Red/Yellow Lens Automated Flagger Assistance Devices has been made to allow the use of Red and Yellow Lens Automated Flagger Assistance Devices (AFAD). (Approved by FHWA on March 13, 2023)
Revision to Section 6C.01 Temporary Traffic Control Plans has been made to reflect the current Maryland law for speed limit reduction in work zones. The original 2011 MdMUTCD standard prohibiting the speed reduction above 10 mph had been established when the maximum speed limit allowed in the State of Maryland was 65 mph. Maryland law, effective October 1, 2015, allows posted speed limits up to 70 mph on interstate highways and expressways. (Approved by FHWA on January 12, 2023)
Revision to Table 2B-1 and Figure 2B-10 from Section 2B has been made to allow the use of DO NOT DRIVE ON SHOULDER (R4-17) sign. (Approved by FHWA on December 12, 2022)
*The original version of the Complete 2011 MdMUTCD can be found
The 2011 Maryland MUTCD prohibited the use of pedestrian hybrid beacons (formerly known as HAWK signals), R10-25 signs (which are used with pedestrian hybrid beacons), and purple solid longitudinal markings at toll plazas. These traffic control devices have Interim Approval for use in Maryland since
November 1, 2017:
These MdMUTCD documents are provided in Portable Document Format (PDF). To view a PDF file click on the link and to save it, right click on the link. If you do not have a PDF viewer you can download Adobe PDF Reader by clicking
Bulleted links are downloadable components of the manual other than topic information that include the cover, notes, table of contents, introduction and appendices and a complete all-in-one downloadable manual.
Numerically marked links are complete topic sections of the manual with chapters.
Alphabetically marked links are chapters within topic sections.
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