Caltrans Rte. 215 Fwy and Rte. 91 Fwy, Highland, California
Highway Construction Services
Owner
California Department of Transportation
Architect
Caltrans
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.