Road before crossing Gunpowder Falls. MD 7 passes through farmland and intersects Bradshaw Road in the hamlet of Bradshaw before crossing Little Gunpowder Falls and entering Harford County. MD 7 heads east through forest and scattered residential subdivisions through the northern fringe of Joppatowne, where the highway intersects Old Mountain Road and MD 152 (Mountain Road). The route crosses Winters Run and intersects Edgewood Road and MD 24 (Vietnam Veterans Memorial Highway) in Edgewood. MD 7 crosses Haha Branch and meets Abingdon Road at Abingdon, which is home to the Nelson-Reardon-Kennard House. The highway intersects MD 136 (Calvary Road) in between crossings of Bynum Run and James Run, which flow into the Bush River. MD 7 temporarily expands to a four-lane divided highway as it passes through the commercial area of Riverside, where the highway meets MD 543 (Creswell Road) just south of that highway's interchange with I-95. The road passes through forest with isolated residential subdivisions, with roundabouts located at Seven Trails Drive and Holly Oak Circle. MD 7's name changes to Old Philadelphia Road as it crosses Grays Run. Beyond Stepney Road, the state highway curves to the southeast to cross over CSX's Philadelphia Subdivision railroad line, passing between industrial parks before reaching its eastern terminus at US 40 (Pulaski Highway) on the western edge of Aberdeen. Old Philadelphia Road continues east as MD 159 before becoming a county highway that serves an industrial area, intersects MD 715 (Short Lane), and passes the historic home Poplar Hill, after which the highway merges with US 40 just west of downtown Aberdeen. Havre de Grace MD 7 begins at an intersection with US 40 just west of Havre de Grace. The highway heads northeast as two-lane undivided Revolution Street, crossing over Amtrak's Northeast Corridor railroad line and passing through an industrial area before entering a residential area upon entering the city limits. The route comes to a grade crossing with Norfolk Southern Railway's Havre de Grace Industrial Track. MD 7 veers east to enter the street grid at Bloomsbury Avenue. The state highway turns north onto Union Street, which heads south as MD 490, adjacent to University of Maryland Harford Memorial Hospital. The route heads through the Havre de Grace Historic District, passing through a residential area about four blocks from the Susquehanna River waterfront through Congress Street, where the highway begins to approach the waterfront. Immediately after passing under