We are dedicated to improving our highways, relieving congestion, increasing safety, and responding to Marylanders and their travel needs. Below you can access major construction projects that are contemplated and planned, as well as data about travel on State roads administered by the Maryland Department of Transportation State Highway Administration (MDOT SHA).
This portal is your first stop to obtaining detailed information about current and planned construction projects on MDOT SHA roads.
Check here for large-scale, long-term projects like the Traffic Relief Plan/Public Private Partnership, Consolidated Transportation Program, I-270 Corridor Innovative Congestion Management, and the Maryland Statewide Transportation Model.
This section provides annual reports on Maryland highways, data from traffic monitoring, and traffic volume maps.
This page has annual mileage reports, assessment of congestion on roads, a highway location reference with mile points, a monitoring system of State roads, and data about roads that run through municipalities.
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