 The highway from the state line to US 15 at the intersection of Baltimore Street and Steinwehr Avenue (then Emmitsburg Road) was designated the northernmost part of US 140 in 1927.US 140 was widened and resurfaced with concrete from Gettysburg to Littlestown between 1941 and 1943.The remainder of the highway through Littlestown to the Maryland state line was widened and resurfaced with asphalt between 1943 and 1953.