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Highway Services         

Who Repairs What Road?

Roads in Montgomery County are maintained by one of four agencies or organizations:

  • The Maryland State Highway Administration (MSHA) maintains all roads that have route numbers. They include roads such as Georgia Avenue (MD 97), Connecticut Avenue (MD 185), Wisconsin Avenue / Rockville Pike / Frederick Road (MD 355), as well as Interstate highways within Montgomery County. These sections are I-495, I-270 and I-370.Check the State website for information.
  • Private Home Owners Associations (HOA's) maintain roads that are typically within the HOA boundaries. An example of this is Rossmoor Leisure World in Aspen Hill. Most town home and condominium roads are maintained by their Homeowner's Associations.
  • Municipalities such as Rockville and Gaithersburg and others maintain all roads within the municipal boundaries. Click here for information on all Municipalities in Montgomery County:
  • Montgomery County Division of Highway Services (DHS) is responsible for maintaining all other roads throughout the County. The types of maintenance include resurfacing roads, shoulder maintenance, curb, gutter and sidewalk repair and replacement, roadway tree maintenance


Highway Services · Montgomery County Department of Transportation · 240-777-7623 · Fax: 240-777-7670 · 100 Edison Park Dr · 4th Floor · Gaithersburg, Maryland 20878 ·
For any MCDOT service requests, call 311. Outside the county, call 240-777-0311 or submit via the website.   For website issues, broken links or comments, please email us(does not handle service requests).
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