page_title: U.S. Route 1 in Maryland
section_title: Baltimore City and County
hierarchical_section_title: U.S. Route 1 in Maryland / Route description / Baltimore City and County
caption_attribution_description: English: View north along U.S. Route 1 (Fulton Avenue) at Franklin Street in Baltimore City, Maryland
context_page_description: U.S. Route 1 is the easternmost and longest of the major north–south routes of the older 1920s era United States Numbered Highway System, running from Key West, Florida to Fort Kent, Maine. In the U.S. state of Maryland, an 80.86-mile segment of the route runs through central Maryland between Mount Rainier and Rising Sun.
  US 1 is paralleled by several major highways as it passes through Maryland, including Interstate 95, the Baltimore–Washington Parkway, US 29, and US 301. Thus, US 1 has lost its significance as a long distance route through the state. It is often congested, however, because it remains a major route in the individual towns it traverses.
context_section_description: After passing under I-895, US 1 intersects South Street, which provides access to St. Denis and Relay, and passes through its interchange with I-195 (Metropolitan Boulevard).  The undivided highway crosses over CSX's Baltimore Terminal Subdivision before reaching the partial interchange with US 1 Alternate.  Washington Boulevard continues straight northeast as US 1 Alternate through Halethorpe, while US 1 exits onto Southwestern Boulevard to head north through Arbutus.  The three-lane road with center turn lane and extra-wide shoulders parallels Amtrak's Northeast Corridor and MARC's Penn Line.  After crossing Herbert Run, US 1 parallels the long, linear parking lot of the Halethorpe MARC station.  The highway leaves the station after passing under Francis Avenue.  US 1 expands to a five-lane road with center turn lane as it crosses under I-95.
  US 1 passes under Sulphur Spring Road and I-695 (Baltimore Beltway) as the highway heads out of Arbutus.  The only connection with I-695 is a single ramp, Exit 12A, from I-695 east to US 1 south.  Inside the Beltway, US 1 is paralleled by Leeds Avenue, which intersects the federal highway just before entering the city of Baltimore.
  US 1 continues north as a four-lane divided street through a densely populated urban residential area.  A short distance north of the city line, US 1 curves to the east onto Wilkens Avenue, which continues west as MD 372.  The highway crosses Amtrak's Northeast Corridor and reduces to an undivided highway, intersecting US 1 Alternate (Caton Avenue) as it passes through a curve.  US 1 crosses Gwynns Falls and CSX's Hanover Subdivision, expanding to a divided highway before passing the Deck of Cards rowhouses between Brunswick Street and Millington Avenue.  A short distance to the east, US 1 turns north onto a one-way pair, Monroe Street southbound and Fulton Avenue northbound, to pass through a densely populated urban residential area on the west side of central Baltimore.  US 1 meets the eastern terminus of MD 144 at another one-way pair, Pratt Street and Lombard Street.  The highway passes over the US 40 freeway, which is accessed by the one-way pair adjacent to the freeway, Mulberry Street and Franklin Street.  At Edmondson Avenue, Fulton Avenue becomes two-way; however, southbound US 1 remains on Monroe Street.  Shortly after passing over Amtrak's Northeast Corridor, US 1 reaches North Avenue.  The Fulton Avenue/Monroe Street one-way pair continues north as MD 140, while both directions of US 1 turn east onto North Avenue.
  North Avenue heads east as a four-lane undivided highway through the junction with MD 129, which follows southbound Druid Hill Avenue and northbound McCulloh Street.  US 1 continues east as a four-lane divided highway with parking lanes.  The highway meets I-83 (Jones Falls Expressway) and Mount Royal Avenue next to the North Avenue station of MTA Maryland's Baltimore Light RailLink.  US 1 expands to six lanes and crosses over the light rail tracks, Jones Falls, MD 25 (Falls Road), and CSX's Baltimore Terminal Subdivision.  Due north of downtown Baltimore, North Avenue intersects Charles Street (MD 139 to the north), St. Paul and Calvert Streets (MD 2 to the south), and Greenmount Avenue (MD 45 to the north), after which North Avenue passes along the north side of Greenmount Cemetery.  North Avenue reduces to a four-lane undivided street east of MD 45.  Shortly after intersecting MD 147 (Harford Road) and Broadway, US 1 turns northeast onto Bel Air Road.
  Now a four-lane undivided road, US 1 crosses the Baltimore Terminal Subdivision again and passes Clifton Park before reaching Erdman Avenue, which heads southeast as MD 151.  The highway crosses Herring Run before intersecting Moravia Road, where Bel Air Road transitions from passing through densely populated residential neighborhoods to being the center of a commercial strip.  US 1 intersects Frankford Avenue and Hamilton Avenue before leaving the city of Baltimore at Fleetwood Avenue, which forms the eastbound component of a one-way pair with Northern Parkway at the latter street
caption: View north along US 1 (Fulton Street) at US 40 in Baltimore
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