The chase started about 12:40 p.m. in Irvine, authorities said. About 1:57 the driver of the Pontiac G6 pulled over on the eastbound 101 freeway near Van Nuys Boulevard in Sherman Oaks and, after a short standoff, surrendered. By the California Highway Patrol units had blocked off eastbound lanes and were calling for westbound lanes to be shut down. Expect echoes of traffic this afternoon. (With reporting from City News Service).