Colorado’s I-70 Could Have Boston’s Big Dig Beat

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. 

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Newport Bridge, Newport, R.I., much of the BART subway system and Boston’s Big Dig were among the numerous significant projects worked on by the late Thomas R. Kuesel. He was a well known civil engineer and tunneling expert, co-editor of the “Tunnel Engineering Handbook,” a standard reference for design and construction used worldwide. One of his most noteworthy tunneling projects was the NORAD Combat Operations Center beneath Cheyenne Mountain near Colorado Springs, built during the height of the Cold War and designed to withstand a nuclear blast. Read on for a full obituary chronicling his distinguished career.

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Colorado governor Bill Ritter declared a disaster emergency Monday after a slide in Glenwood Canyon struck near midnight Sunday. It was located near Hanging Lake Tunnel, spot of a 2004 rockfall event that damaged a […]