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Tunnel


Tunnel on Danbury, Conn.'s West Side Not a Viable Option in I-84 Plan

A proposed and much-discussed half-mile-long tunnel to straighten Interstate 84 between Exits 2 and 4 on Danbury's west side is among several options being considered by the Connecticut Department of Transportation (CTDOT)....


Excavation Complete on NEBT Project in Washington, D.C.

Excavation of the Northeast Boundary Tunnel (NEBT) in Washington, D.C., a joint-venture project valued at $580 million being constructed by The Lane Construction Corporation and its parent company, Webuild Group (formerly Salini Impregilo), is complete....


Granite Begins Work On $267M Tunnel Project in Columbus

Granite Construction announced March 8 that it has been awarded the Lower Olentangy Tunnel project by the city of Columbus in Columbus, Ohio. The $267 million contract is anticipated to be booked in Granite's first quarter 2021 backlog....


New Flood Mitigation Efforts in Ellicott City, Md., Include Tunnel Extension

Nine buildings that were previously set to be demolished as part of the Safe and Sound plan for Ellicott City, Md.,'s flood mitigation efforts will now be saved, Howard County Executive Calvin Ball announced March 25....


Early Work Advanced on New York's Hudson Yards Concrete Casing

The Gateway Development Commission announced in March that Amtrak has awarded a contract and work has begun on behalf of the Gateway program to relocate utilities out of the future path of the third and last section of the Hudson Yards Concrete Casing in Manhattan, N.Y., a part of the Hudson Tunnel Project....


Baltimore's Howard Street Tunnel on Track for Rebuild

Shovels could go into the ground this summer or early fall as CSX Corp.'s long-awaited reconstruction of the Howard Street Tunnel in Baltimore continues to inch toward becoming reality. Maryland officials have been pushing for years to increase the height of the 126-year-old tunnel to allow for double-stacking of containers on trains traveling to and from the Port of Baltimore....


Latest Rail Plan Would Put Tunnel Under Long Island Sound

President Joe Biden's promise to improve the nation's infrastructure has renewed interest in the decades-old idea of a high-speed railroad connecting New York and Boston, possibly through a 16-mi. tunnel under Long Island Sound....


Virginia Tunnel Boring Continues, Completion Pushed to 2024

Construction continues on the Chesapeake Bay Bridge-Tunnel's first parallel tunnel, near the Virginia Beach side of the bridge, with projected completion in 2024, two years later than originally estimated....


San Francisco Tunnel Projects Earn International Honors

Since 2015, an international competition — ITA Tunneling and Underground Space Awards — has sought and rewarded the most ground-breaking innovations and outstanding projects in tunneling and underground space use. After a challenging year – especially on safety issues – the event was held virtually and awarded the best achievements in the industry in eight categories. After editions in Hagerbach, Singapore, Paris, France, China and the United States, this virtual edition allowed more than 1,200 attendees to gather....


Plan to Rehab Tunnel from N.J. into NYC Sparks Skepticism

Repairing an existing rail tunnel beneath the Hudson River while constructing another tunnel could hasten a long-standing project to increase capacity between New Jersey and New York City. But it requires "pre-construction activities" to be "undertaken immediately and expedited to completion," a new report suggests....






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