The California Department of Transportation District 2, in conjunction with Tullis Inc., has begun work on the Diamond Star Curve Project on State Route 36 in Tehama County. The $2.3 million project is realigning the highway approximately 14 miles west of Red Bluff, from just west of Basler Road to just east of Diamond Star Road.

Road connections at Basler Road, Easterbunny Drive, and Diamond Star Road will be reconstructed to conform to new alignment in the area.

The project's other work includes reconstruction of drainage facilities, construction of new four-foot paved shoulders and shoulder backing and new traffic delineation in area.

Due to the project, which began on Monday, July 20, motorists will encounter one-way traffic control with up to 20-minute delays at each location, Monday through Friday during daytime hours. Traffic will travel on unpaved surfaces at times during the project. A speed limit reduction to 45 mph is in effect within the project limits.

Caltrans advises motorists to allot extra time for delays and drive slowly and carefully in the project area.

The project is currently anticipated to be completed by October.

To stay up to date on highway projects, please follow Caltrans on Facebook and Twitter. The public can also call (530) 225-3426 during working hours or send an email to

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