Regenerative braking is widely used in electric and hybrid cars, but its first commercial use in an urban transit system is only now being built in the Philadelphia area.
An array of factors, ranging from difficult terrain to political unrest, challenge contractors trying to build in the Himalayas and other difficult-to-reach locations.
Confronting a spaghetti bowl of roads in and out of SeaTac International Airport, south of Seattle, owner Sound Transit opted for its first-ever turnkey design-build contract to better integrate civil, structural, station and system components of a new light-rail system extension that will serve the airport.
During a weekend shutdown of U.S. Route 101 in Los Angeles, crews began demolition of the 3,500-ft-long Sixth Street Viaduct to prep for the construction of a $449-million replacement.
By summer, Arup is expected to present a design plan that addresses the unexpected amount of bouncing experienced by pedestrians crossing an HNTB-designed bridge in Brooklyn.
The Washington Senate ousted state Dept. of Transportation Secretary Lynn Peterson on Feb. 5—the first rejection of a gubernatorial appointee in the state since 1998.
CH2M Hill and the Central Texas Regional Mobility Authority are “in active, productive discussions,” focused on “resolving issues and completing” an important toll-lane project in the Austin area, according to a joint statement issued on Feb. 4.
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