Parsons Brinckerhoff, a leading transportation engineering and management organization founded in 1885 in New York City, was acquired in 2014 by WSP, a global professional services consultancy. For the past two and a half years, the firm has operated as WSP | Parsons Brinckerhoff in the U.S.
For more than three decades, WSP USA has contributed to the development of the public transit system of Los Angeles County. The firm played prominent roles in the development of the Blue, Green, and Gold line light rail systems, the Red Line subway, and, most recently, phase 2 of the Expo Line light rail. The firm has also engineered a number of noteworthy buildings in the region, including the Los Angeles Convention Center and Hotel at LA Live and the Conrad N. Hilton Foundation in Agoura Hills. Currently, the firm is at work on the Regional Connector and the Purple Line Extension. Other projects in Los Angeles County to which the firm is contributing include the I-10 and I-110 ExpressLanes, the Gerald Desmond Bridge, the Landside Access Modernization Program at Los Angeles International Airport, the Biomedical Research Institute at Harbor-UCLA Medical Center, and the Downtown Los Angeles Gas Company Tower.
WSP USA has been a member of the San Gabriel Valley Economic Partnership for three years.