Construction and As-Built Plans

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 Maryland Department of Transportation State Highway Administration (MDOT SHA).

For Construction Plans/As-Built Drawing Information

Complete the As-Built Plan Research Request Form (ZIP, 230kb)  and send it to Clearly mark a location map showing the extent or milepoints of your area of interest and the surrounding region. You may also fax this form to 410-209-5001. We answer requests within 7 to 10 business days.

For more information contact the OHD Computer Technology Team at

Hours of Operation

Monday-Friday, 8:00 a.m.-4:00 p.m. Closed 12:00-12:30 p.m. Walk-in requests by appointment only.

Some of your data needs may be better served by other offices. Below are alternative contacts:

Plat Request and Right-of-Way Research

The Office of Real Estate researches properties for existing State rights of way and provides appropriate right-of-way plats. Learn more here.

For Right-of-Way Requests

Download a Plat Request Form and email it to

MDOT SHA Right-of-Way Plats(410) 545-2835
MDOT SHA Bridges (Bridges, Noise Barriers & Retaining Walls)
MDOT SHA Park & Rides(410) 545-5675
MDOT SHA Access PermitsSee district contact information below
MDOT SHA Wetland Mitigation(410) 545-8628
Traffic Signals and Lighting(410) 787-4027
Weigh Stations: MDOT SHA Motor Carrier(410) 582-5734
MDOT SHA Drainage Maps & Computations(410) 545-2964
Survey Books(410) 545-8966
Maryland Transportation Authority(410) 537-7800
Maryland Aviation Administration(410) 859-7061
Baltimore County(410) 887-3758
Prince George's County(301) 883-5723
Montgomery County(240) 777-7623
Baltimore City(410) 396-6817
WMATA(202) 962-1114

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

(410) 543-6715

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

(800) 637-9740

MDOT SHA District 3
(Montgomery and Prince George's)

(301) 513-7337

MDOT SHA District 4
(Baltimore and Harford)

(410) 229-2300

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

(410) 841-1045

MDOT SHA District 6
(Allegany, Garrett and Washington)

(301) 729-8427

MDOT SHA District 7
(Carroll, Frederick and Howard)

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