US 1 in Maryland

US 1 is a major route that spans the majority of the East Coast. In Maryland, US 1 runs from Washington D.C. to Pennsylvania; it connects multiple D.C. suburbs with Baltimore. It parallels I-95 for the majority of its time through Maryland and serves as an alternate/local route from D.C. to Philadelphia.

US 1 in Maryland is highlighted in red above

Click on the links below to navigate:

US 1 North
US 1 North 		US 1 South
US 1 South
  • I-95 SB from the PA/MD border to I-695 in Overlea
  • I-95 SB from I-695 in Overlea to MD 100
  • I-95 SB from MD 100 to MD 200
  • I-95 SB from MD 200 to the MD/DC border
Available from I-895 to I-695 Currently not available

US 1 North marker past I-195 [Halethorpe, MD]

Taken March 18, 2024

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Published April 12, 2024
Updated October 6, 2024