California lawmakers are demanding answers after a live fire demonstration over Camp Pendleton Saturday led to a misfire that rained shrapnel on Interstate 5, striking two California Highway Patrol ...

Gridlock reigned Saturday on one of California's most vital freeways after state officials closed a 17-mile stretch of Interstate 5 in response to a pre-planned event in which live-fire artillery ...

Interstate 5 from San Clemente to Oceanside has long been one of California's traffic choke points, with no other nearby alternative routes between Los Angeles and San Diego. So traffic delays could ...