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State Highway Administration

As-Built Construction Plans

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The Office of Highway Development Design Technical Services Division (OHD-DTSD) Computer Technology Team provides Construction Plans and As-Built drawings for roads maintained by the State Highway Administration.

Email your request for Construction Plans/As-Built Drawing information to using the As-Built Plan Research Request Form (ZIP, 230kb). Please include a clearly marked location map showing the extent or milepoints of your area of interest and the surrounding region. This form may also be faxed to 410-209-5001, if necessary. Our goal is to answer all requests within 7 to 10 business days.

If you need more information please contact the OHD Computer Technology Team at 410-545-8405 or email  

Hour of operations

Monday - Friday 8:00 am - 4:00 pm (Closed 12:00 to 12:30 pm) Walk-in requests by appointment only.

Additionally, some data needs may be better served by other offices. In the event we are unable to provide you with the information you require, the following is a list of alternative contacts:

Note: For Right of Way requests please download a Plat Request Form and email the form to:

SHA Right-of-Way Plats Info: (410) 545-2835 Survey Books (410) 545-8966

SHA Bridges (Bridges, Noise Barriers & Retaining Walls):

Maryland Transportation
(410) 537-7800

SHA Park & Rides:

(410) 545-5662 Maryland Aviation: (410) 859-7061

SHA Access Permits:

(410) 545-5600 Baltimore County: (410) 887-3758

SHA Wetland Mitigation:

(410) 545-8628 Prince George's County: (301) 883-5723

Traffic Signals and Lighting:

Montgomery County: (240) 777-7623

Weigh Stations: SHA Motor Carrier:

(410) 582-5734 Baltimore City: (410) 396-6817
SHA Drainage Maps & Computations: (410) 545-2964 WMATA: (202) 962-1114

SHA District 1
(Dorchester, Somerset, Wicomico and Worcester)

(410) 543-6715

SHA District 2
(Caroline, Cecil, Kent, Queen Anne's and Talbot)

(800) 637-9740

SHA District 3
(Montgomery and Prince George's)

(301) 513-7390

SHA District 5
(Anne Arundel, Calvert, Charles and Saint Mary's)

(410) 841-1045

SHA District 6
(Allegany, Garrett and Washington)

(301) 729-8427

SHA District 7
(Carroll, Frederick and Howard)

(301) 624-8170
(301) 624-8177

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Maryland Department of Transportation


707 North Calvert Street Baltimore, Maryland 21202