The Port Authority of Allegheny County (Pittsburgh, Pennsylvania) has a major transit improvement project dubbed the North Shore Connector. Its main components are twin bored tunnels 1.2 miles long that will connect the Port Authority’s Light Rail Transit system, the T, 1.2 miles from the Gateway Subway Station underneath Stanwix Street and the Allegheny River to the North Shore. It will travel under the river and provide three new stations and allow for future improvements beneficial to future development and continued downtown revitalization. The $435 million project is making news recently for cost increases, drawing comparisons to Boston’s Big Dig much to the dismay of the Port Authority. Read on for project maps, links and more info. 

Project Map 

Quick Facts

• Project website
• Port Authority of Allegheny County website
• 80% Federally funded
• Scheduled to open in 2011
• The tunnel-boring machine has dug about 150 feet so far and will commence digging the week of March 3
• Tokoyo-based Obayashi Corp. hired for $156.5 million to dig the tunnels
• Pittsburgh has over 2,000 bridges! Ironic that they have chosen tunnels for this project, huh?
• Article about project cost overruns at PittsburghLive.com

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• Boston's Big Dig Finally Complete
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• Colorado's I-70 Could Have Boston's Big Dig Beat

• ChemGrout
• NDT Corporation
• Ontario-geofish Blog
• Rockscience Inc.
• Roctest Telemac

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