Roads opened following cleanup of train derailment Published July 29, 2011 By 95th Air Base Wing Public Affairs LITTLE ROCK, Calif. -- As of July 28, all roads have been opened following the derailment of a Union Pacific freight train. Approximately 62 cars derailed near 92nd St. East and East Avenue T near Little Rock, Calif., July 27. As a precaution, L.A. County Fire cordoned off several streets around the area, which were opened up yesterday morning.Â