The "Old National Pike Milestones" marked each mile of the old National Road in Maryland, an eastern coastal state of the United States, from its dominating city of Baltimore to major towns of western Maryland, as Frederick, and between it and Hagerstown, to Hancock, through to Cumberland in the western panhandle of the state in the foothills of the Appalachian Mountains. The surviving stones have been included in the "National Register of Historic Places", maintained by the National Park Service of the U.S. Department of the Interior, and may be seen along the route variously designated as U.S. Route 40, Maryland Route 144, Alternate U.S. Route 40, and several other roads that trace the path of the original "Old National Pike". From Baltimore to Cumberland, the road was surveyed and laid