Water Main Break Shutters Sir Francis Drake

Updated at 5:27 p.m.: Central Marin Police said as of early Thursday afternoon at least one lane of traffic on Sir Francis Drake Boulevard between Saunders and San Anselmo avenues had reopened.

Updated at 1:27 p.m. from Bay City News: A broken water main in San Anselmo off Sir Francis Drake Boulevard shut down traffic in the area on Thursday morning as agencies scrambled to fix the problem.

The Ross Valley Fire Department first got a call about the break between Saunders and San Anselmo avenues at 9:08 a.m., a spokesperson for the department said. The fire department protected the roadway until the Marin Municipal Water District could shut off the flow of water and begin repairs.

The fire department helped some residents pump water from their basements, the spokesperson said, but otherwise there was no widespread or serious damage to people or property.

A notice went out from the Central Marin Police Authority on Thursday morning cautioning people to avoid the area. There was no estimate immediately available for when the roadway would reopen.

Updated at 12:33 p.m.: The Central Marin Police have opened one eastbound lane on Sir Francis Drake Boulevard.

MARIN COUNTY, CA — Flooding in central Marin Thursday morning has triggered the closure of a main artery in San Anselmo near Archie Williams High School.

All traffic lanes at Sir Francis Drake Boulevard between Saunders and San Anselmo avenues have been closed until further notice due to flooding caused by a water main break, Central Marin police said.

Motorists are advised to avoid the area.

No additional information was immediately available.

This is a developing story. Check back for updates.