Tuscarora Mountain Tunnel is one of four original

Pennsylvania Turnpike The Pennsylvania Turnpike (Penna Turnpike or PA Turnpike) is a toll highway operated by the Pennsylvania Turnpike Commission (PTC) in the U.S. state of Pennsylvania. A controlled-access highway, it runs for across the state. The turnpike's we ...

tunnel A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...

s still in active use. A second tube was bored in the late 1960s to ease traffic conditions. The Tuscarora Mountain tunnels measure in length and are the second-longest active tunnels on the Pennsylvania Turnpike system. The

Sideling Hill Tunnel 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 farther west, the Laurel Hill Tunnel. It was less expen ...

is the longest overall, but was

abandoned Abandon, abandoned, or abandonment may refer to: Common uses * Abandonment (emotional), a subjective emotional state in which people feel undesired, left behind, insecure, or discarded * Abandonment (legal), a legal term regarding property ** Chi ...

in 1968.

Allegheny Mountain Tunnel The Allegheny Mountain Tunnel is a vehicular tunnel carrying the Pennsylvania Turnpike through the Allegheny Mountains. At this point, the Turnpike carries Interstates 70 and 76. When the tunnel was built, it was considered an "engineering ...

is the longest in active use. The Tuscarora Mountain Tunnel sits on the Huntingdon/Franklin County line.

References

Interstate 76 (Ohio–New Jersey) Transportation buildings and structures in Franklin County, Pennsylvania Transportation buildings and structures in Huntingdon County, Pennsylvania Toll tunnels in Pennsylvania Pennsylvania Turnpike Commission Road tunnels in Pennsylvania {{US-tunnel-stub