DescriptionInside Squirrel Hill Tunnel, 2013 (8648789044).jpg
Squirrel Hill Tunnel Rehabilitation Project.
The project includes updating electrical systems, lighting system, control system, ventilation system, structural repairs to the walls and arched ceiling, installation of a water line and other improvements.
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This image, originally posted to Flickr, was reviewed on 17 September 2014 by the administrator or reviewerLeoboudv, who confirmed that it was available on Flickr under the stated license on that date.
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