Tue December 15, 2020 - West Edition #26 Irwin Rapoport â CEG Correspondent The Nor Cal Paving joint venture has made steady progress over the past 18 months on the $370 million Interstate 5 (I-5) Corridor Enhancement Project in Sacramento County. The Nor Cal Paving JV (Granite Construction Inc. and Teichert Construction) has made steady and solid progress over the past 18 months on the California Department of Transportation's (Caltrans) $370 million Interstate 5 (I-5) Corridor Enhancement Project in Sacramento County that covers 1.1 miles south of the Elk Grove Boulevard Overcrossing to the American River Bridge, an initiative that is rehabilitating the road and improving traffic flow by relieving congestion on the busy highway in the northern part of the State.