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Man on the phoneDivision of Transportation Engineering  (DTE)
Montgomery County Department of Transportation (MCDOT)
Division of Transportation Engineering (DTE)
Planning & Design Section
Facility Planning
100 Edison Park Drive, 4th Floor S.E. Wing
Gaithersburg, MD 20878
Phone : 240-777-7240
Fax: 240-777-7277


Aruna Miller, Planning Manager
Phone: 240-777-7240


Division of Traffic Engineering & Operations (DTEO)
101 Orchard Ridge Dr. Gaithersburg, Maryland 20878
Phone: 240-777-2190
FAX: 240:777-2080


Division of Highway Maintenance (DHM)
101 Orchard Ridge Dr.Gathersburg, Maryland 20878.
Phone: 240-777-7623
FAX: 240-777-7670

Ride On & Transit Services

Rockville, Maryland 20850
Phone : 311 or Phone: 240-777-7433
TDD: 240-773-3556

Maryland-National Capital Park and Planning Commission (MNCPPC)
Montgomery County Department of Parks
9500 Brunett Ave., Silver Spring, MD 20901
Phone: 301-495-2595
Fax: 301-495-9340

Washington Metropolitan Area Transit Authority (WMATA)
General Information: 202-637-7000

For any MCDOT service request or complaint, call 311

When dialing outside of the county, call 240-777-0311 or submit via their website.

For website comments or to report website problems or broken links, please email us. This email address does not handle service requests or complaints.

Transportation Engineering · Montgomery County Department of Transportation
100 Edison Park Drive · Gaithersburg, MD 20879 ·
· telephone: 240-777-7220· fax: 240-777-7277 ·