PETALUMA (CBS SF) — Southbound lanes of U.S. Highway 101 were shut down for nearly two hours Wednesday morning following an injury crash involving multiple vehicles.

Authorities tweeted about the crash between the East Washington and Lakeville Highway 116 exits at about 9:17 a.m.

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Petaluma police said at around 10 a.m. that southbound lanes were expected to be closed for at least an hour. There was no information provided as to the seriousness of the injuries.

Shortly after 11 a.m., the Twitter account posted that all lanes were cleared. Drivers should expect some residual delays in the area.