Maryland Department of Transportation State Highway Administration

(D3) District 3 Office

9300 Kenilworth Avenue
Greenbelt, MD 20770
Prince George's County
Phone:301-513-7300 or
800-749-0737
FAX:301-513-7415
[email] [map/direction] (PDF)

District 3​ Maintenance Shops

(30) Gaithersburg Shop
502 Quince Orchard Road
Gaithersburg, MD 20878
Montgomery County
Phone: 301-948-2477
888-795-0013
FAX:301-948-8714
[map/direction] (PDF)

(32) Fairland Shop
12020 Plum Orchard Road
Silver Spring, MD 20904
Montgomery County
Phone: 301-572-5166
888-252-9580
FAX:301-572-5212
[map/direction] (PDF)

(33) Laurel Shop
400 Second Street
Laurel, MD 20707
Prince George's County
Phone: 301-776-7619
800-785-2602
FAX:301-317-5624
[map/direction] (PDF)

(34) Marlboro Shop
6500 S.E. Crain Highway
Upper Marlboro, MD 20870
Prince George's County
Phone: 301-952-0555
888-795-0012
FAX:301-952-1657
[map/direction] (PDF)

District 3 Press Releases

Jan162026

***TRAFFIC ALERT*** State Highway Administration Performing Emergency Drainage Work on MD 410 (Veterans Parkway) in Prince George's County

Weekday Daytime Single Lane Closures; Drivers Should Plan Extra Driving Time
Jan142026

***WORKSHOP RESCHEDULED*** State Highway Administration to Host Follow-Up Workshop on Pedestrian Safety Initiatives Along MD 201 (Kenilworth Avenue) in Prince George's County

Corridor Identified for Improvements in Statewide Pedestrian Safety Action Plan
Jan52026

State Highway Administration to Host Follow-up Workshop on Pedestrian Safety Initiatives Along MD 214 (Central Avenue) in Prince George's County

Corridor Identified for Safety Improvements in Statewide Pedestrian Safety Action Plan
Dec42025

***TRAFFIC ALERT *** State Highway Administration to Shift Traffic on Suitland Parkway Eastbound

New Traffic Patterns Will Be in Effect; Drivers Advised to Stay Alert and Seek Alternate Routes
Nov32025

***TRAFFIC ALERT*** State Highway Administration to Permanently Close Median on MD 390 (16th Street) at Grace Church Road in Montgomery County

Median Will Be Closed by Monday, November 10
Oct282025

State Highway Administration to Host Follow-Up Workshop on Pedestrian Safety Initiatives Along MD 193 in Montgomery County

​Corridor Identified for Improvements in Statewide Pedestrian Safety Action Plan

Oct62025

***TRAFFIC ALERT*** State Highway Administration to Enhance the Bike Lanes on MD 190 (River Road) in Montgomery County Wednesday

Motorists Can Expect Single-Lane Closures; Drivers Urged to Plan Extra Drive Time During Work Hours
Oct12025

State Highway Administration to Host Open House for MD 210 (Indian Head Highway) Pedestrian and Bicycle Project in Prince George's County

Phase 1 Improvements Planned Between I-95/I-495 and Henson Creek Trail
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