SAN FRANCISCO (AP) — Authorities say all southbound lanes of Highway 101 have reopened and traffic is slowly getting back to normal in San Francisco after a dump truck hit cars and overturned. KGO-TV reports (http://abc7ne.ws/1TtrTuN ) Caltrans employees worked all day to clear the construction materials from the highway and to repair a fence on the Silver Avenue overpass, which is expected to open Tuesday night.