U.S. 1

Aerial photo of the Susquehanna River and Conowingo Dam

The Susquehanna River flows between Cecil and Harford Counties. U.S. 1 connects the two across Conowingo Dam. - 05/29/2005

U.S. 1 was the original highway linking Washington, D.C., Baltimore, and Philadelphia, Pennsylvania. The US highway was superseded in importance with the completion of Interstate 95 and the Northeastern Expressway. However outside of the urban areas, the US Highway still plays a vital role in movements throughout Cecil and Harford Counties.

U.S. 1 Maryland Guides

North

Baltimore - 128 photos

Harford / Cecil Counties - 81 photos

South

Cecil / Harford Counties - 14 photos

Baltimore - 22 photos

Business Routes

U.S. 1 Business - Bel Air - 28 photos

Auxiliary Routes

U.S. 1 Alternate - Baltimore - 10 photos

U.S. 1 Cecil County Average Annual Traffic (AADT)

13,790 - Conowingo Dam
11,300 - U.S. 222 to MD 273 (Rising Sun Road)
4,960 - MD 273 to MD 276
9,220 - MD 276 to the Pennsylvania state line

Source: Maryland Department of Transportation (MDOT) - 2016 Traffic Volume Maps by County

scenes

The Conowingo Dam, which carries U.S. 1 over the Susquehanna River, impounds water for a reservoir and generates energy at a hydroelectric facility. This view looks southward from a nearby hiking trail off Conowingo Road.

06/17/00

Fulton Avenue doubles as U.S. 1 northbound from Wilkens Avenue to North Avenue in west central Baltimore. Fulton Avenue flows northbound to Edmondson Avenue, where it switches to two way traffic separated by a grassy median. Pictured here is the end of the southbound lanes of Fulton Avenue where traffic must turn onto Edmondson Avenue.

06/20/12

Traffic turning left (west) onto Edmondson Avenue from Fulton Avenue south meets the southbound direction of U.S. 1 (Monroe Street) one block to the west of U.S. 1 north. U.S. 1 proceeds another block south to meet the U.S. 40 freeway at Franklin / Mulberry Streets. Edmondson Avenue becomes a part of U.S. 40, 11 blocks to the west.

06/20/12

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