Safety barrier installed on Golden Gate Bridge

Workers installs the movable barrier. The bridge is scheduled to reopen at 4 a.m. Monday.  (Paul Chinn / Associated Press)

A road crew works at the toll plaza while a movable median barrier is installed on the Golden Gate Bridge.   (Paul Chinn / Associated Press)

Pedestrians and cyclists watch a road crew install the movable median barrier on the Golden Gate Bridge.  (Paul Chinn / Associated Press)