Trip to the Sideling Hill Tunnel.

Took a ride down to Fulton County,PA and checked out one of the old turnpike tunnels.

(Wiki)
Sideling Hill Tunnel is one of three original Pennsylvania Turnpike tunnels abandoned (this one in 1968) after two massive realignment projects. The others are nearby Rays Hill Tunnel, and further west, the Laurel Hill Tunnel. It was less expensive to realign the Turnpike than to bore a second tube for four lane traffic. Sideling Hill Tunnel is 6,782 feet (2,067 m) long. It was the longest of the original tunnels on Pennsylvania Turnpike. The Ray's Hill Tunnel and Sideling Hill Tunnel are now part of the Pike2Bike Trail. Together, the two tunnels as well as the roadway are commonly known as the Abandoned Pennsylvania Turnpike.

                                          The entrance to the Sideling Hill Tunnel

                                                      View from inside the tunnel

                                                                 ^{Some tagging inside the tunnel.}

^{The full high resolution gallery can be found here.}