Squirrel Hill Tunnel
Encyclopedia
The Squirrel Hill Tunnel is a tunnel in Pittsburgh
Pittsburgh, Pennsylvania
Pittsburgh is the second-largest city in the US Commonwealth of Pennsylvania and the county seat of Allegheny County. Regionally, it anchors the largest urban area of Appalachia and the Ohio River Valley, and nationally, it is the 22nd-largest urban area in the United States...

, Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. It serves as an eastern gateway to the city for I-376 and was completed in 1953 after 8 years of construction and at a cost of US$18 million 1953 dollars. At the time of opening it was the single largest investment by the State of Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

 Transportation Department (PennDOT). It is 4225 feet (1,287.8 m) long and is a twin-bore tunnel with 8 cross passages.

In Pittsburgh driving lore, the tunnels are notorious, most notably for several accidents when tractor-trailers that are too tall to safely travel through the tunnel get stuck against the roof of the tunnel. The Pennsylvania Department of Transportation
Pennsylvania Department of Transportation
The Pennsylvania Department of Transportation oversees transportation issues in the Commonwealth of Pennsylvania. The administrator of PennDOT is the Pennsylvania Secretary of Transportation, currently Barry Schoch Presently, PennDOT supports over of state roads and highways, about 25,000...

 is planning to raise the ceiling of the Squirrel Hill Tunnels in Pittsburgh in hopes of easing the bottlenecks the tunnels create into and out of the city.

Due to an engineering project by students at Carnegie Mellon University
Carnegie Mellon University
Carnegie Mellon University is a private research university in Pittsburgh, Pennsylvania, United States....

, it is possible to hear FM broadcasting
FM broadcasting
FM broadcasting is a broadcasting technology pioneered by Edwin Howard Armstrong which uses frequency modulation to provide high-fidelity sound over broadcast radio. The term "FM band" describes the "frequency band in which FM is used for broadcasting"...

the entire way through the tunnel.

External links


– Western portal – Eastern portal
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