Route 12 has its eastern terminus in the village on Route 73 and follows Pricetown Road into the north side of Reading, where it becomes the Warren Street Bypass.
Its villages include Congo, Englesville (also in Berks County,) Gilbertsville, Niantic, and Sassamansville (also in New Hanover Township.) Its principal routes are Route 73 east-to-west and Route 100 north-to-south.
Its villages include Fagleysville, Frederick (also in Upper Frederick Township,) Hoffmansville, Layfield, New Hanover, New Hanover Square, and Sassamansville (also in Douglass Township.) Its numbered routes are 73 east-to-west and 663 north-to-south, which join briefly in Layfield.
One of those exits is in Douglass Township when PA 100 meets Pennsylvania Route 73 at a Diamond interchange.
The route runs from U.S. Route 422 Business in St. Lawrence east to Pennsylvania Route 73 in Boyertown.
Thomas' Church, Whitemarsh is an Episcopal church located at the juncture of Bethlehem Pike, Skippack Pike, and Church Road in Whitemarsh Township, Montgomery County, Pennsylvania.
Pennsylvania | University of Pennsylvania | Pennsylvania State University | Pennsylvania Railroad | Harrisburg, Pennsylvania | Pennsylvania House of Representatives | Erie, Pennsylvania | Carlisle, Pennsylvania | Williamsport, Pennsylvania | Scranton, Pennsylvania | West Chester, Pennsylvania | Montgomery County, Pennsylvania | Lancaster, Pennsylvania | Bethlehem, Pennsylvania | U.S. Route 66 | Hershey, Pennsylvania | York, Pennsylvania | U.S. Route 1 | Pennsylvania Turnpike | Pennsylvania Academy of the Fine Arts | Wharton School of the University of Pennsylvania | University Park, Pennsylvania | Wilkes-Barre, Pennsylvania | Johnstown, Pennsylvania | Gettysburg, Pennsylvania | Reading, Pennsylvania | Luzerne County, Pennsylvania | Allentown, Pennsylvania | Abington Township, Montgomery County, Pennsylvania | U.S. Route 6 |
Center Point, Pennsylvania is an unincorporated community in Worcester Township, Montgomery County at the junction of Routes 73 and 363.
Layfield, Pennsylvania is an unincorporated community in NW Montgomery County on Route 73 and Route 663.