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This is your center for locating the Book of Standards for Highway & Incidental Structures, the Highway Drainage Manual, the Design-Build Manual, and other essential information for contractors and engineers. Also check here to obtain erosion and sediment control (formerly “Green Card”) certification.
Work with the Maryland Department of Transportation State Highway Administration (MDOT SHA) using specialized software and technology.
Here you will find Standard and Supplemental Specifications for Construction and Materials, the Book of Standards for Highway & Incidental Structures, the Category Code Book, AASHTO Specifications, and ASTM Specifications.
Check here for drawings of roads maintained by MDOT.
Learn how to obtain a highway sign for your business or tourist attraction.
707 North Calvert Street
Baltimore, Maryland 21202-3601
Main Business Line – 410-545-0300
Safety Campaigns – 1-800-323-6742
For emergencies, call MDOT SHA's Statewide Operations Center at 410-582-5650.
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