Well, at least the abandoned portion. Sunday, May 31, the members of Team Clydesdale (Bautieri, vXhanz, and The Historian) will join a group of other Bike Forums posters and ride a stretch of the Pennsylvania Turnpike that was bypassed and abandoned in the late 1960s. The 8.5 mile stretch of crumbling concrete includes two miles of tunnels, one 0.7 miles long, the other 1.3.
Details in this thread: Abandoned Pa Turnpike
The 'trail' website is pike2bike.org.
The ride begins at 1:00 PM. Anyone is welcome to join the group. Bring a bike capable of handling rough pavement - this road hasn't been surfaced in 4 decades - and lots of lighting for the tunnels, since they are unlit.