U.S. Route 111 in Pennsylvania

U.S. Route 111
Route information
Auxiliary route of US 11
Existed:	1926 – 1963
Major junctions
South end:	US 1 in Baltimore, MD
	I-695 near Timonium, MD US 30 in York, PA
North end:	US 11 / US 15 in Lemoyne, PA
Location
States:	Maryland, Pennsylvania
Counties:	MD: City of Baltimore, Baltimore PA: York, Cumberland
Highway system
United States Numbered Highway System List Special Divided Replaced ← MD 110 MD MD 112 → ← PA 110 PA PA 112 →

U.S. Route 111 Alternate
Location:	York, Pennsylvania
Existed:	1950s–1960s

U.S. Route 111 was a U.S. Route that ran from Baltimore, Maryland north to the Harrisburg, Pennsylvania area. It replaced part of the Susquehanna Trail and was in turn replaced by Interstate 83. Portions of its pre-freeway alignment are now Maryland Route 45 and Interstate 83 Business. Other old sections in Pennsylvania are now unsigned Quadrant Routes or township-maintained roads.

US 111 extended north to the Pennsylvania–New York state line where U.S. Route 15 now crosses it between 1926 and ca. 1936.

This route description features US 111 as it existed in 1945, with references to today's highways to provide context.

The Maryland portion of US 111 followed the entire length of what is now MD 45 from Baltimore to Maryland Line. The highway began at US 1 (North Avenue) and followed Greenmount Avenue north to 42nd Street, where the highway's name became York Road through the rest of Baltimore and all of Baltimore County. US 111 left Baltimore and continued to Towson, where the highway entered downtown by passing under the Maryland and Pennsylvania Railroad at the modern MD 45–Towsontown Boulevard intersection. In the center of the county seat, where Towson Circle now sits, the U.S. Highway intersected the southern end of the original MD 144 (Dulaney Valley Road), which is now MD 146; the western end of MD 148 (Joppa Road); and the eastern end of MD 141 (Allegany Avenue).

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