The State Highway County Map series shows the major public road systems and other features of Maryland's 23 counties and the City of Baltimore. These maps cover all interstate, US, and State highways; major county roads, other transportation systems such as air, and seaports; reservations and other public lands; political boundaries, drainage and streams, large open bodies of water and some public buildings at a scale of 1:100,000.
The County Maps are updated annually and available as PDF files. To view, print or download PDF files, you must have Adobe Reader installed on your computer.
To find a County Map you can either search by county name or address in the "County/Address Search" search window. Upon locating your desired County Map, please click on that location on the map. This will then open a pop-up window, identifying the County Map you've selected. Selecting the arrow pointing to the right opens a window with a hyperlink entitled Printable Map. Click this hyperlink to open the map in your browser for either viewing, printing or download.
Please Note: The County Maps range in file size from approximately 1MB to 6MB.
To purchase a hard copy of a County Map, click here
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.
Frequently Asked Questions
Public Information Act