 From here, the route turns to the southeast and runs through wooded areas with some homes and businesses, crossing back into Liberty Township and passing through the community of Liberty Mills.PA 16 reaches its eastern terminus at the Maryland border, where the road continues southeast into that state as MD 140.On September 21, 1820, a private turnpike the Emmitsburg and Waynesboro Turnpike was completed, connecting Waynesboro to Emmitsburg, Maryland.