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Bay Bridge traffic chaos after fallen tree blocks three lanes

San Francisco Fire Department members help clear a fallen tree off of the Bay Bridge. | Twitter/@CHPSanFrancisco

High winds caused a large tree to fall on Tuesday afternoon, blocking the three right lanes of Interstate 80 westbound on the Bay Bridge and slowing traffic.

The fallen tree is just before where westbound drivers enter the Treasure Island Tunnel. Two vehicles may have been damaged by the tree according to CHP traffic info.

The lane closures have added an estimated 36 minutes onto commutes as of 3:47 p.m., per Google Maps.

According to the California Highway Patrol, the San Francisco Fire Department is on scene and assisting in removing the tree.

A Caltrans tree crew are expected to arrive by around 4:15 p.m. to remove the remainder of the fallen tree, per CHP traffic info.