Here are some road projects that are expected to cause traffic delays this week:

Caltrans:

–Highway 1, from Iverson Avenue in Point Arena to just north of Kinney Road near Manchester State Park, shoulder improvements are scheduled for 7 a.m. to 4 p.m. Monday through Friday. One-way traffic control will be in effect; 15-minute delays expected.

–Highway 1, Greenwood Creek Bridge near Elk is being replaced with 24/7 one-way traffic control. Forty-minute delays possible 8 a.m. to 4 p.m. seven days a week, except holidays. Otherwise, 5-minute delays possible.

–Highway 101, various lanes closed from Rohnert Park Expressway to Todd Road from 9 a.m. to 3 p.m. and from 8 p.m. to 6 a.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, various lanes closed on westbound East Washington Street from McDowell Boulevard to southbound 101 offramp from 9 a.m. to 3 p.m. Tuesday through Friday.

Sonoma County roads department:

–Llano Road, from Highway 12 to Todd Road, grinding and overlay from 8 a.m. to 3:30 p.m. Wednesday and Thursday, weather permitting. One-way traffic control.

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