Laurel Hill Tunnel
{{Short description|Abandoned tunnel in Pennsylvania, United States}}
{{about|the abandoned tunnel|the hiking trail|Laurel Highlands Hiking Trail}}
{{Use mdy dates|date=February 2018}}
{{Infobox tunnel
|name = Laurel Hill Tunnel
|image = Laurel Hill Tunnel 1942.jpg
|image_size = 300px
|caption = Laurel Hill Tunnel in 1942
|line = South Penn abandoned
|location = Laurel Hill
Westmoreland and Somerset counties, Pennsylvania
|coordinates = {{Coord|40|6|0.4|N|79|13|38.4|W|display = inline, title}}
|route =
|status = Closed to traffic, leased to Chip Ganassi Racing for testing
|start =
|end =
|startwork = 1881, railway
1938, highway
|opened = October 1, 1940
|closed = October 30, 1964, I-70/I-76 (aged 24 years)
|owner = Pennsylvania Turnpike Commission
|operator =
|character =
|construction= 1881–1885, railway
1938–1940, highway
|length = {{Convert|5450|ft|m|abbr=on}}, railway
{{Convert|4541|ft|m|abbr=on}}, highway
|lanes = 2
|speed =
|hielevation =
|lowelevation=
|height =
|width =
|grade =
|crosses = Laurel Hill
}}
Laurel Hill Tunnel is a {{convert|4541|ft|m|adj=mid|-long}} tunnel on the Pennsylvania Turnpike that was bypassed and abandoned in 1964. It is bored through Laurel Ridge, spanning the border of Westmoreland and Somerset counties. Its western portal may be seen from the eastbound side of the Turnpike at milepost 99.3.
The tunnel was built for the never-completed South Pennsylvania Railroad, as were two other tunnels to its east—Sideling Hill and Rays Hill—that were similarly on the original Turnpike and abandoned after being bypassed.
Bypass
File:Laurel Hill Tunnel Bypass.jpg
The tunnels on the Turnpike had been bottlenecks ever since the Turnpike's opening in 1940 due to reduced speeds and two-way traffic in a single tube. A second tube was added to four tunnels—Allegheny Mountain, Tuscarora Mountain, Kittatinny Mountain, and Blue Mountain—where it was the less expensive option.
Unlike the Sideling Hill and Rays Hill tunnels, the Laurel Hill Tunnel is not on the bypassed section commonly known as the Abandoned Pennsylvania Turnpike and is still owned by the Pennsylvania Turnpike Commission. It is not open to the public and is routinely patrolled by the Pennsylvania State Police for trespassers.{{cite web |url = http://www.abandonedturnpike.com/web_pages/FAQ.htm |title = Abandoned Turnpike FAQ |access-date = September 24, 2016 }}
The highest point on the Turnpike, {{convert|2603|ft}}, is on the Laurel Hill Tunnel bypass at Mile 100.45 in Somerset County.
Testing use
The tunnel is used by Chip Ganassi Racing for high-speed race car aerodynamic testing. The tunnel has been repaved, equipped with climate control, safety equipment, and data collection systems. The tunnel was first used for testing in 2004 to develop the G-Force Indycar.{{cite news |url = http://www.racecar-engineering.com/articles/nascar/the-secrets-of-laurel-hill/ |title = The Secrets of Laurel Hill Revealed |newspaper = Racecar Engineering |date = September 24, 2014 |access-date = October 4, 2014 }}{{cite web |url = http://www.roadandtrack.com/motorsports/features/a24696/racings-secret-hideout-ganassi-tunnel/ |title = The Secret Racing Test Tunnel No One Wants to Talk About |work = Road and Track |date = January 9, 2015 |access-date = January 11, 2015 }}
See also
References
{{reflist}}
{{Pennsylvania Turnpike Commission}}
{{Chip Ganassi Racing}}
Category:Interstate 76 (Ohio–New Jersey)
Category:Transportation buildings and structures in Somerset County, Pennsylvania
Category:Transportation buildings and structures in Westmoreland County, Pennsylvania
Category:Tunnels completed in 1940
Category:Pennsylvania Turnpike Commission
Category:Former toll tunnels in the United States
Category:Former toll roads in Pennsylvania