Route 440

Maryland Route 440

Maryland Route 440 (Dublin Road) is a minor collector running 5.65 miles east from MD 543 at Ady to U.S. 1 (Conowingo Road) at Gallions Corner in Harford County. The rural highway travels across a mix of agricultural areas and timberland, meeting MD 136 at the community of Dublin.

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Page Updated Friday June 13, 2025.