Caltrans and the Sonoma County roads department plan the following road work this week that may cause traffic delays:

–Highway 101, various lanes closed from Rohnert Park Expressway to Todd Road from 8 p.m. to 6 a.m. Monday through Friday.

–Highway 101, various lanes closed from Rohnert Park Expressway to Todd Road from 9 a.m. to 3 p.m. Monday through Friday.

–Highway 101, various lanes closed from Corona Road to Rohnert Park from 7:30 p.m. to 7 a.m. Monday through Friday.

–In Petaluma, Caltrans plans to close various lanes on westbound East Washington Street from McDowell Boulevard to southbound 101 offramp from 9 a.m. to 3 p.m. Monday through Friday.

–In Petaluma, various lanes closed westbound East Washington from McDowell to southbound offramp from 2 to 5 a.m. Monday through Thursday and until 6 a.m. Friday.

–In Petaluma, various lanes closed eastbound East Washington from McDowell to southbound offramp from 10 p.m. to 5 a.m. Monday through Thursday, until 6 a.m. Friday.

–In Bennett Valley , the county plans, weather permitting, to grind down the roadway and repaving sections of Bennett Valley Road near Old Bennett Ridge Road from 7:30 a.m. to 4 p.m. Monday through Thursday. One-way traffic controls will be in effect.

–Then the county, weather permitting, will doing grinding and repaving of Olivet Road from Guerneville to River roads on Oct. 22 to 25 and Llano Road from Highway 116 to Todd Road on Oct. 29 to Nov. 1.

–In Sonoma area, the county will have a contractor put down center line striping on Arnold Drive south of Madrone Road on Thursday and Friday, also weather permitting.

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