Report all highway emergencies not requiring police assistance, such as traffic signal outages and sinkholes, to our Statewide Operations Center toll free at 1-800-543-2515 or 410-582-5650 (local).
MDOT SHA's online Customer Service system is monitored during normal business hours Monday through Friday (excluding State observed holidays and service reduction days).
The Maryland Department of Transportation State Highway Administration (MDOT SHA) owns and maintains all non-toll, numbered roads - such as I-495 (the Capital Beltway), MD 355 (Rockville Pike) and US 40 (Baltimore National Pike) - in Maryland's 23 counties.
Click here for answers to common questions, including questions about topics such as the following:
For all other inquiries or general information, please call 1-800-323-6742. This line is staffed Monday through Friday from 8:00 a.m until 4:30 p.m.
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
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