SAN JOSE, Calif. — Three people died and at least four others were injured when an Amtrak train slammed into a car Sunday afternoon near Brentwood, sending it careening off a long dirt driveway and into another vehicle, a California Highway Patrol officer on scene said. The crash happened about 1 p.m. as the car pulled into a long rural dirt driveway leading to a long rural dirt driveway near the intersection of Orwood Road and Bixler Road in eastern Contra Costa County, at a private crossing with no railroad crossing adjacent to it, according to a BNSF Railway spokesman. Three women — all wom…