Related Links: See All Of ENR's Rebuilding Ground Zero Stories, Videos and Photos A Slide Show History of the World Trade Center Video: Progress in Rebuilding Ground Zero Video: An Overview of Ground Zero At New York's New World Trade Center, Uncommon Cooperation WTC Tower Crews Get Royal Treatment Slide Show: ENRs World Trade Center Saga Continues Below Grade at WTC Hub, a Transit Tango 9/11 Memorial Is Centerpiece of World Trade Center Redevelopment The opening of a new subway entrance in lower Manhattan would, nine times out of 10, be no big deal. But in terms of 10th anniversary
The Massachusetts Bay Transportation Authority announced on Aug. 2 that it plans to delay construction of the $1-billion Green Line extension to Somerville and Medford until fall 2018 or as late as summer 2020.It plans to purchase the required land and obtain permits before putting out a bid for design and construction to avoid loss of time and money—which happened to a commuter-rail project completed south of Boston in 2007. A day after the announcement, the city of Somerville circulated a petition stating that a four-year delay was unacceptable and demanded an accurate timeline for the project. It noted, “The
Image courtesy Brazil's National Agency of Terrestrial Transport A proposed high-speed rail line received no bids. A $21.3-billion high-speed-rail project in Brazil has been delayed for a third time after no offers were presented at auction this month. Government officials say they will now modify the proposal in hopes of attracting bidders in a new auction later this year.The Trem de Alta Velocidade Rio-São Paulo, or TAV, will provide a direct link between two of the country’s largest metropolitan areas. The 510- kilometer line would extend from Rio de Janeiro to São Paulo and terminate at the city of Campinas.
Map by Shem Oirere/ENR Art Department Planned North Road across Tanzania includes a 53-km section cutting through Serengeti National Park. Related Links: Serengeti Road Project Halted for Wildlife Study Tanzania has altered its design for a new 53-kilometer-long highway through the world-famous Serengeti National Park in response to international concerns raised over the project’s impact on the UN world heritage site.Plans for paving the stretch have been dropped. The country’s minister of tourism and natural resources says the road section will be graveled to reduce harm to the more than two million wildebeests that use the section as their annual
A congressional battle that blocked passage of a new stopgap Federal Aviation Administration bill has caused the FAA to issue stop-work orders on about 80 airport engineering and construction contracts, totaling more than $790 million, around the country.The failure to pass a new authorization bill before the old one expired on July 22 has also tied up an additional $2.5 billion in infrastructure funds, as FAA put a hold on awarding new grants from its Airport Improvement Program (AIP). Moreover, the agency furloughed about 4,000 of its 47,000 workers.The closing of the AIP grant window is a bigger problem for
Mass. Department of Transportation crews have completed installation of high-strength support straps on approximately 25,000 tunnel light fixtures in the Boston Big Dig Central Artery tunnels as a safety measure.The system was developed as a temporary three-to-five-year solution to the tunnel light corrosion issues while engineers evaluate options for a long-term solution, the agency noted in a July 25 press release..Paul Norton, principal at TranSystems in Boston, which served as transportation consultant for Mass DOT, says the high-strength polymer support strapping wraps around the entire lighting fixture and engages the steel Unistrut structure. “We studied 10 alternatives based on cost,
At a time when cutbacks threaten surface transportation programs across the U.S., a new economic analysis from the American Society of Civil Engineers says that simply maintaining current levels of investment won't be enough to avert long-term losses in productivity, jobs and household income.Drawing on widely used transportation planning models and consumer and industry data, “Failure to Act: The Economic Impact of Current Investment Trends in Surface Transportation,” forecasts that, within the next decade, the added costs of dealing with deteriorating highways, bridges and transit systems will result in the loss of more than 870,000 jobs and cut the nation's
BridgesThe North Carolina Dept. of Transportation is proceeding with a complex replacement of the Herbert C. Bonner Bridge on the Outer Banks, despite a new lawsuit that claims the project violates the National Environmental Policy Act.PCL Civil Constructors Inc. and HDR Engineering Inc. of the Carolinas submitted the apparent winning bid of $215,777,000 for the design-build project that NCDOT estimated would cost approximately $241.6 million.Replacing the deteriorating 2.7-mile, 260-span prestressed-concrete girder structure across Oregon Inlet has long been a top priority. It is the only highway link to Hatteras Island, one of the state's most popular tourist destinations and home
Workers on the Humpback Bridge replacement, located on the George Washington Memorial Parkway just north of Interstate 395 and immediately south of the Columbia Island Marina, are closing in on the final round of safety improvements. In the process, they are preserving the grace of the bridge's original stone arch structure, says Chris Scott, a general manager for Cianbro, Pittsfield, Maine, the construction firm working on the job. Courtesy of Cianbro OLD BRIDGE, NEW IMPROVEMENTS Workers are slated to complete the bridge improvements by the end of this month. Workers on the Humpback Bridge replacement, located on the George Washington
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