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Highway 99 at Oswald Road Proposed Changes
January 27, 2020

The County of Sutter’s Development Services Department will provide a display of the proposed changes at the intersection of Highway 99 at Oswald Road south of Yuba City for the public. The display will in the Sutter County Development Services main lobby on February 18, 2020 from 9 am until 4 pm.

The open house is designed to acquire additional community input on the proposed alternatives, particularly the possibility of a roundabout. This is the first time a roundabout has been seriously considered on a state highway in Sutter County. Sutter County ultimately would make a recommendation to California Department of Transportation. County engineering staff and an engineering consultant will be available to answer questions about the three options.

Sutter County has been seeking a traffic control alternative at the intersection, which has seen an increase in both truck traffic and accidents. Options to improve safety include a $4-$5 million stoplight, a $10-$12 million roundabout, or a $30-$40 million interchange.

Government and private company studies have concluded that roundabouts provide more safety for drivers than stoplights on a high-speed corridor. According to the Federal Highway Administration, roundabouts reduce the types of crashes where people are seriously hurt or killed by 78-82 percent when compared to conventional stop-controlled and signalized intersections. A study by the Insurance Institute for Highway Safety of 19 high-speed rural intersections (speed limits of 40 mph or higher) that originally had stop signs on the minor approaches and were converted to roundabout found a 62 percent reduction in all crashes and an 85 percent reduction in injury crashes.

Sutter County Development Services is located at 1130 Civic Center Blvd., Yuba City.