Tuesday, June 15, 2021



CalTrans to Repave Highway 20

Staff Report |

A series of storms last week has prompted a one-week delay in the start of major resurfacing work along a 14-mile stretch of State Highway 20 in the Williams area of Colusa County, the California Department of Transportation (Caltrans) announced today.

Motorists can expect nearly three months of one-way traffic, with controls to begin Monday, April 23. The lane restrictions are scheduled daily from 7 a.m. to 4 p.m.

Motorists should expect delays of no more than 15 minutes at various locations on Highway 20 from 1-mile west of Leesville Road through the town of Williams to Husted Road.

Then starting Monday, April 30, one-way traffic controls are scheduled to begin around-the-clock during the work week and continue for approximately three weeks. The lane restrictions each week will begin at 12:01 a.m. on Mondays and continue through 3 p.m. on Fridays.

The $8.3 million project calls for placing rubberized asphalt on 28 lanes miles of roadway, which will improve safety and provide a smoother ride.

Pioneered in the 1960’s Rubberized Asphalt Concrete (RAC), also known as asphalt rubber or just rubberized asphalt, is pavement material that consists of regular asphalt concrete mixed with crumb rubber–ground, used tires that might otherwise be discarded, taking up space in landfills, if they were not re-directed for use as tire derived fuel in power plants or other recycled rubber products.

With over 280 Million Scrap tires generated each year in the United Sates, approximately 60 million of these tires are unused and are being placed in stockpiles. Rubberized asphalt offers a beneficial solution to this problem. Depending on the application selected, between 500 and 2,000 scrap tires can be used in each line mile of pavement. This means that for a one-mile section of a two lane highway, can have anywhere between 1,000 to 4,000 tires.

Additionally, the rubberized asphalt will improve the safety of highway 20 by providing greater skid resistance and decreased splash and spray in wet conditions. The material also improves nighttime visibility and reduces traffic noise levels by upwards of 5 decibels.

After the paving work, motorists can expect another six to seven weeks of one-way traffic controls at various locations from 7 a.m. to 4 p.m. Mondays through Fridays. This will allow the contractor to complete striping, marking, erosion control and guardrail work.

Roadside message boards will be used to post the latest information.  Unexpected weather may prolong or cause the work to be rescheduled. Caltrans urges motorists to use caution in this area and to “Slow for the Cone Zone”.


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