Two and a half years after beginning work on a $300-million first phase to replace two 50-year-old freeway bridges across the Anacostia River, the District of Columbia Dept. of Transportation has authorized a $90.7-million add-on to the project.
The roundabout, a circular intersection in which traffic flows through from incoming streets in one direction around a central island, is booming in the U.S.—so much so that some engineering firms see it as a straight-up opportunity.
One of the four teams contending for the estimated $5-billion Tappan Zee Bridge replacement project in New York state chose not to submit a bid at the last moment, forfeiting a $2.5-million stipend paid for bid submissions.
Driven by steady ridership growth, Dallas Area Rapid Transit is on a roll, using alternative project delivery methods and composite materials as it expands its light-rail system and upgrades its commuter rail.
A design guide for three short-span, heavy-load bridge applications using patented recycled-plastic components is now available, reflecting what officials say is an acceleration of industry interest in the material.
Israel has issued two major international tenders for large-scale transportation projects: one for a contractor to tunnel the first segment of Tel Aviv's $2.5-billion light-rail system and the other for a firm to manage construction of a $400-million airport near the southern Red Sea port of Eilat.
A French subcontractor is using a patented precast technique to build one of the world's longest precast-concrete arch-tunnel sections at the site of a residential complex along South Korea's new Suwon-Kwangmyeong Expressway.
Alternative project delivery methods, including public-private partnerships (P3s), may well play an increasing role in New York City-area megaprojects. Officials are exploring the possibility of private sector involvement in a range of upcoming ventures including the $3.6-billion LaGuardia Airport central terminal revamp, the extensions of the Hudson-Bergen and Camden light rail lines in New Jersey, and the $1-billion Goethals Bridge rehabilitation.“We are exploring the possibility of P3s to complement our capital program, and we welcome your ideas,” said James Weinstein, executive director of New Jersey Transit. He spoke at a July 25 forum hosted by Professional Women In Construction and
ENR interviewed California High-Speed Rail Authority CEO Jeff Morales in his Sacramento office after the state Legislature approved the project. Highlights from the interview follow.
Map courtesy of chsra California's revised plan uses existing rail corridors wherever possible and starts with a focus on the Central Valley. Related Links: Calif. HSR Authority Chief Clears Air About Project Collapse of China Track Section Highlights Flaws in High-Speed-Rail Program High-speed rail got a sorely needed boost early this month when the California Legislature barely passed a bill to move forward with $5.8 billion in bonds for a 130-mile starter segment through the Central Valley. That vote came just days before delegates converged on Philadelphia for the eighth World Congress on High-Speed Rail, which met for the first