Major Cities along US 15 (PA) 2024-10-09 Roadnow US 15 (PA) Major Cities MAP Gettysburg MAP York Springs MAP Dillsburg MAP Mechanicsburg MAP Camp Hill MAP Grantham MAP Lemoyne MAP Enola MAP Summerdale MAP Marysville MAP Duncannon MAP New Buffalo MAP Millersburg MAP Liverpool MAP Newport MAP Port Trevorton MAP Selinsgrove MAP Hummels Wharf MAP Dalmatia MAP Shamokin Dam MAP Northumberland MAP Winfield MAP Montandon MAP Lewisburg MAP West Milton MAP White Deer MAP Dewart MAP New Columbia MAP Montgomery MAP Muncy MAP Williamsport MAP Liberty MAP Covington MAP Mansfield MAP Tioga MAP Lawrenceville