U.S. Route 140

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U.S. Route 140
US 140 highlighted over a modern map
Route information
Auxiliary route of US 40
Existed	1926–January 1979[1]
Major junctions
South end	US 1 / US 40 Truck in Baltimore, MD
North end	US 15 in Gettysburg, PA
Location
Country	United States
States	Maryland, Pennsylvania
Counties	MD: City of Baltimore, Baltimore, Carroll PA: Adams
Highway system
United States Numbered Highway System List Special Divided
← MD 139 MD → MD 140 ← PA 139 PA → PA 141

U.S. Route 140 (Pennsylvania "Legislative Route 42")^[2] was a U.S. highway connecting Gettysburg, Pennsylvania, to Baltimore, Maryland. The route was deleted from the system in 1979; today the road's route is followed by portions of Pennsylvania Route 97, Maryland Route 97, and Maryland Route 140.

Though it had no historical significance in the battles fought at Gettysburg, it became important as the route to take to view the historic battlefields and cemetery there.