PA 3 PA 23 (Goat Path) PA 32 PA 33 PA 54 PA 56 PA 61 PA 63 (Woodhaven Blvd.) PA 73 Unbuilt PA 90 PA 100 PA 106 Old PA 115 PA 116 PA 272 PA 274 PA 307 PA 309 PA 378 PA 462 PA 611 Central Scranton Expy. Fairmount Park Intchg. Roebling/Pond Eddy Bridges Riegelsville Bridge

I-70 I-76 and Abandoned PA Tpk. I-276 I-376 I-476 I-676 I-78 I-79 I-279 I-80 I-180 I-380 I-81 I-83 I-84 I-90 I-95 I-99 Future I-99: US 15, US 220/322 Centralia Harrisburg PA Dutch Country Philadelphia Scranton

US 1 US 6 US 11 Old US 611 US 13 Old US 13 US 15 US 202 US 209 Business US 209 US 119 US 219 US 220 US 22 Old US 22 US 222 (and PA 222) US 322 US 422 US 30 Business US 30 Elmira (NY) Road Meet PA/NJ/NY Tri-Point Tunkhannock Viaduct Other routes

Exiting the South Fork Visitor Center northeast of Johnstown, Pennsylvania tests whether you've been paying attention to geometry. Either direction is the Southwestern Pennsylvania Industrial Heritage Route. To the right is the square route, or clockwise, so you can guess what the circle signifies. Thanks to Jeff Kitsko, who unknowingly helped solve this great mystery for me. If you can confuse even me, PennDOT, consider trying something new, like, say, signing the route NORTH-SOUTH.

Sixscore and 15 years ago, this bridge was erected on Dublin Road in the namesake town, probably by the county. Click for a slightly dusky photo of the bridge.