Caltrans Rte. 215 Fwy and Rte. 91 Fwy, Highland, California

Highway Construction Services

California Department of Transportation


General Contractor
Washington Group International

Project Duration
30 months


Commercial Construction Services Project Description:

The main contractor, Washington Group/Obayashi Corporation, a Joint Venture, based in Highland, California, began work in February, and completed in 2007. The highway construction project includes two freeway-to-freeway connectors, mixed traffic flow lanes, carpool lanes with extended lengths, and nearby surface street upgrades. The existing freeway is to be widened from six lanes to eight lanes. Construction services include adding, removing and upgrading interchanges, providing new connectors, and construction retaining walls and sound walls.