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I-76 (Pennsylvania Turnpike) 4,727 feet (1,441 m) [49] Laurel Hill Tunnel: Cook and Jefferson Townships Pennsylvania Turnpike (abandoned) 4,541 feet (1,384 m) 1940 [50] Lehigh Tunnel: Lehigh and Carbon counties I-476 (Northeast Extension of the Pennsylvania Turnpike) Blue Mountain: 4,400 feet (1,300 m) 1957, 1991 [51] Liberty Tunnel: Pittsburgh
This page was last edited on 24 December 2023, at 10:50 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
This page was last edited on 10 September 2023, at 11:50 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The Pennsylvania Turnpike Commission started construction on a new toll highway from Carlisle, Pennsylvania to Irwin, Pennsylvania in 1938. When the Pennsylvania Turnpike opened on October 25, 1940, the Sideling Hill Tunnel was one of the seven original tunnels along the highway, six of which were built from the old railroad tunnels from the 1880s.
Lehigh Tunnel northbound entrance. Construction on this tunnel began on September 21, 1955. [5] Originally a single tunnel that opened to traffic on April 1, 1957, [6] [7] turnpike officials changed the name from the originally-planned "T. J. Evans Tunnel" to the "Lehigh Tunnel" after Evans, chair of the turnpike commission during the time the tunnel was planned, was accused of defrauding the ...
The Pennsylvania Turnpike, sometimes shortened to Penna Turnpike or PA Turnpike, is a controlled-access toll road which is operated by the Pennsylvania Turnpike Commission (PTC) in Pennsylvania. It runs for 360 miles (580 km) across the southern part of the state, connecting Pittsburgh and Philadelphia , and passes through four tunnels as it ...
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 marvel." [1] The tunnel was built in 1939 and is used by 11 million vehicles annually today.
Harriet Tubman, c. 1868–1869, who was a significant figure in the history of the Underground Railroad. The Harriet Tubman Underground Railroad National Historical Park in Cambridge recognizes her efforts to free enslaved people. President Street Station — Baltimore [27] Harriet Tubman's birthplace — Dorchester County [39] [40]