Construction Update for April 23, 2021

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Westbound Chanate Road Traffic Detour April 26 – May 3, 2021

A traffic detour is scheduled for westbound traffic on Chanate Road, between Belvedere Way and Mendocino Avenue, to be in effect from Monday April 26 through Monday, May 3 from 7:30 AM to 5:30 PM (please note the original end date of April 30 has been extended to May 3). The detour will allow for the excavation and installation of a large sewer pipeline under Chanate Road (schedule subject to change due to weather or unforeseen circumstances). Travel in the eastbound direction will remain open.

Westbound traffic on Chanate Road will be detoured south onto Humboldt Street continuing to Franklin Avenue, then west onto Lewis Road, to reach Mendocino Avenue (see map below). Local traffic entering Chanate Road between Belvedere Way and Mendocino Avenue from side streets and residences will be directed to turn in the eastbound direction on Chanate Road. Please avoid this area, if possible, during the detour, and observe all traffic control signs and measures. Do not enter areas that are coned or fenced off.

Westbound Chanate Road Traffic Detour April 26 – May 3, 2021
Click image to enlarge

Single Lane Traffic Control on Upper Chanate Road from May 4 – May 7, 2021

Single lane traffic control will be implemented on Chanate Road from Humboldt Street to approximately 2755 Chanate Road (about 200 feet west of Terra Linda Drive), to allow for sewer line installation. This traffic control will be in place from Monday, May 3 through Friday, May 7 from 7:30 AM to 5:30 PM. After those hours both lanes of the roadway will be open to traffic.

Flaggers will be stationed on-site to coordinate the safe movement of each direction of traffic through the traffic control area. Please be aware of all signage, follow direction of flaggers, and use extra caution. Expect traffic delays – consider an alternate route if possible.

Sewer Work on Lomitas Avenue from May 12 – May 14

Sewer line work is scheduled for May 12 – May 14 on Lomitas Avenue from Chanate Road to approximately the Paulin Creek Bridge. During this work, there will be no through-traffic on Lomitas Avenue. On-site crews will coordinate access for residents on that street.

Attend a Virtual Community Update on May 13, 2021

Community members are invited to join a Zoom project update on Thursday, May 13, 2021 from 5:30 PM to 6:30 PM. At this informational meeting you’ll get a project update including construction activities/detours, safety, access during emergencies/fire or a Public Safety Power Shutoff, and more. Your questions will be welcome. Zoom log-in information will be included in the next construction update email, and posted on the project web page at

For information about the Chanate Sewer Project, and to sign up for weekly emails to ensure you are getting up-to-date project information, visit the Project web page at Please share this information with others.

If you have questions or concerns, please call the Project hotline at (707) 385-1239.

Thank you for your patience and cooperation!