Harford County maintains approximately 1,075 miles of roadway. Harford County does not maintain private roads (indicated with blue street name signs), roads within the incorporated municipalities (Town of Bel Air, City of Havre de Grace, and City of Aberdeen) or federal or state roads.
Harford County maintains its roads for use by residents, travelers, farmers and businesses. Under the Road Resurfacing Program, asphalt roadways are assessed annually for necessary maintenance.
Dirt and gravel roadways
Dirt and gravel roadways are maintained on a regular or as-needed basis. Most of the maintenance is performed by Harford County Highway Maintenance. In addition to repairs to the driving surface, that maintenance includes right-of-way mowing, snow plowing, and shoulder pulling.
Harford County maintained roads exclude private roads, roads within the municipalities (shown in dark green), state roads (numbered routes - shown in red), and I-95 (also shown in red).