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

Apr302026

***TRAFFIC ALERT*** State Highway Administration to Make Bridge Repairs on the Inner Loop (Southbound) I-95/I-495 (Capital Beltway) Over Amtrak in Prince George's County

Drivers Can Expect Overnight Triple Lane Closures; Plan Extra Travel Time
Apr222026

***TRAFFIC ALERT*** State Highway Administration to Close North Entrance Sidewalk and Single Drive Lane on MD 197 (Laurel Bowie Road) in Prince George's County

Drivers Should Plan Extra Travel Time During Sidewalk Construction
Apr142026

***TRAFFIC ALERT*** State Highway Administration to Close Lanes on MD 410 (East West Highway) for Utility Installation in Prince George's County

Drivers Should Plan Extra Travel Time During Repair Work
Apr132026

***TRAFFIC ALERT*** State Highway Administration to Shift Traffic as New Phase of MD 4/Suitland Parkway Project Begins in Prince George's County

Work Requires Overnight Multiple-Lane Closures North of Dower House Road
Apr32026

STATE HIGHWAY ADMINISTRATION BEGINS REPLACEMENT OF MD 382 (CROOM ROAD) BRIDGE OVER COUNTY LINE CREEK IN PRINCE GEORGE’S COUNTY

Work Includes Demolition, Replacement of 63-Year-Old Structure in Brandywine
Mar302026

***TRAFFIC ALERT*** STATE HIGHWAY ADMINISTRATION TO RESURFACE MD 109 (BEALLSVILLE ROAD) IN MONTGOMERY COUNTY NEXT WEEK

Drivers Should Plan Extra Travel Time During Road Closure
Mar272026

***TRAFFIC ALERT*** State Highway Administration to Temporarily Close Dower House Road at MD 4 (Pennsylvania Avenue) for Drainage Repairs in Prince George's County

Drivers Should Plan Extra Travel Time During Repair Work
Mar252026

***TRAFFIC ALERT*** State Highway Administration to Make Emergency Drainage Repairs to Both Directions of MD 410 in Prince George's County

Work Necessitates a Total Closure and Detour of MD 410 in Riverdale
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