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Tunnels News July 17, 2014
Tunnel vision can improve; just ask those at the Nevada Department of Transportation.   The agency is about to complete the Carlin Tunnels project on I-80, and the highlight of the enhancement is an LED lighting system that will enhance driver visibility by dimming or brightening according to...
Tunnels News December 31, 2012
It’s time to help a bear cross a street—at least along Georgia’s State Route 96.   The Georgia Department of Transportation (GDOT) announced a series of tunnels would be constructed along the corridor to help protect the grizzly animals as they roam what is left of their natural habitat. A first of...
Tunnels News April 10, 2012
A new report has revealed that New Jersey Gov. Chris Christie exaggerated numbers behind the cancellation of the new transit tunnel across the Hudson River.   The Government Accountability Office (GAO) is expected to release a report this week that documents how Christie threw out inflated project...
Tunnels News April 05, 2012
There will be better lights at the end of the Big Dig tunnels, and at the beginning, and everywhere else.   Massachusetts State Highway Administrator Frank DePaola is ordering that all the lights be replaced, which will cost $54 million and take up to two years to execute. Since a light fixture...
Concrete Article May 19, 2011
Last year, Applied Ecological Services Inc., Michael Van Valkenburgh Associates and HNTB Corp. submitted an entry to the ARC International Wildlife Crossing Infrastructure Design Competition. The competition brief asked for collaboration among ecologists, landscape architects and structural...
Concrete Article December 17, 2010
The camera stalls, for just a moment, at the southern edge of downtown Seattle. It faces north, toward the time-worn and earthquake-damaged Alaskan Way Viaduct, a double-deck highway that has spanned the downtown waterfront for nearly 60 years.   With portions of the viaduct slated for demolition...
Concrete Article September 07, 2010
Tunneling under the River Tyne in the United Kingdom has a history that goes back to the 1950s, when a pedestrian and bicycle crossing was created to provide workers with better access to jobs in the shipbuilding industry on both banks of the river.   The original Tyne tunnel, which was used by...
Bridges Article September 07, 2010
South Korea’s largest infrastructure project is expected to open in December 2010, and the crossing will significantly reduce what is currently a three-hour commute time between the city of Busan and Geoje Island, home to two of the world’s biggest shipyards.   Being built by GK Corp., a consortium...
Bridges Article March 16, 2009
Blood runs through rebar. It is common knowledge to a terrorist. For years Osama bin Laden, leader of Al Qaeda, has pointed a sword at the economic prosperity of the U.S. Bridges and tunnels are as attractive as an aorta. A Blue Ribbon Panel (BRP), which consisted of bridge and tunnel experts from...
Disaster Management Article February 12, 2008
At 11:01 p.m. on July 10, 2006, a 38-year-old mother of three traveled to Logan International Airport in Boston with her husband behind the wheel of a 1991 Buick. The couple was approximately one second from exiting a new “Big Dig” tunnel when 20 anchor bolts and 10 massive concrete panels used for...
Traffic Safety Article January 22, 2008
The accident was massive and consuming. On Saturday, Oct. 13, a pileup in a southbound truck bypass tunnel at the intersection of I-5 (Golden State Freeway) and California 14 (Antelope Valley Freeway) in Santa Clarita, about 20 miles north of Los Angeles, caused a chain reaction. By the time it was...
Bridges Article September 05, 2007
Government officials, engineers and taxpayers must deal with the challenges of how to go about the repair and restoration of our aging municipal public works infrastructure. Engineers use many modern techniques to overcome aging wear and tear on the great structures that were built 50 or more years...
Tunnels Article June 06, 2007
This year marks the 25th anniversary of Boston’s Central Artery/Tunnel project, nicknamed the “Big Dig.” Records of project planning activity date all the way back to 1982, and as of 2007 all sections of the project are now open to traffic. More than $14.6 billion has been expended, and recent...
Safety Article November 01, 2005
Baltimore knows how to protect a streak of longevity. The Orioles’ Cal Ripken Jr. set the all-time mark for consecutive major league baseball games played a few years ago, and in mid-October local and federal authorities preserved another record involving the safety of this country. Not since Sept...
Tunnels Article October 01, 2005
The coast and Cascade Mountain ranges run through the state of Oregon, dividing it into three separate regions. Highways that link the regions rely on tunnels to go under the mountains, and the tunnels rely on their lighting systems to improve vehicular safety. Just under a dozen of Oregon’s...
Asphalt Article May 10, 2005
The Nevada Department of Transportation (NDOT) has long been a proponent of the use of cold in-place recycling (CIR) as a strategy to optimize its pavement preservation program. CIR has proven to be a very cost-effective strategy in Nevada for asphalt pavement experiencing medium- to high-severity...
Tunnels Article April 18, 2005
A series of major road improvements is addressing the problem of increased numbers of vehicles and its attendant congestion in Australia. The most recent is the Lane Cove Tunnel Project, which will provide a controlled-access link from the M2 Motorway to the Gore Hill Freeway, just north of Sydney...
Tunnels Article April 18, 2005
When the Pennsylvania Turnpike was constructed in the late 1930s, its seven tunnels were considered an engineering marvel of the day. Indeed, the press heralded the toll road as the “Tunnel Highway” and the “Forget-the-Weather Highway.” So when it opened in October 1940, motorists were eager to...
Paving Article September 09, 2004
A 36-ft clear span x 10-ft rise x 516-ft long Con/Span tunnel will be part of the new and exciting multifaceted infield renovation project that is currently in progress at the Daytona International Speedway. In one of its most aggressive construction projects since Daytona International Speedway (...
Tunnels Article June 19, 2003
Guidelines for inspecting, maintaining and rehabilitating highway and rail transit tunnels from coast to coast are now available in two new manuals and a computer software program jointly produced by the Federal Highway Administration (FHWA) and the Federal Transit Administration (FTA). The Highway...

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