this happened yesterday here on america s news room, the early morning rush hour nightmare outside of l.a. a commuter train colliding with a truck, injuring 54 three of them critically. that s who days after the ntsb released preliminary findings on a deadly collision earlier this month in new york between a commuter train and an s.u.v. that killed six people. laura is live in the new york city newsroom on this. what are some rail safety measures being worked on to try to prevent this? hi bill. rail safety experts say as long as there s a human component, there will always be a level of unpredictability. despite the sight of an oncoming train with horns, bells and closing gates, many drivers try to push their luck and beat the locomotive. safety experts continue to work on things like high definition camera recording systems and even audio warning systems which would come over a car s radio to give drivers a heads up. the president of the railroad safety equipment manufacturer says
it loose before running for help. but federal investigators say the truck wasn t stuck at all. and they re trying to figure out why he abandoned it there in the the first place. the crash left dozens of people injured, four of them critically. that accident just three weeks after another train derailment north of new york city. and just like in california it happened after someone drove on to the tracks. laura wyer . reporter: experts say that as long as there is a hue man component, there will be always be a level of unpredictability. with an oncoming train, many drivers still trying to push their luck and beat the locomotive. they continue to work on things like audio warning systems which could actually come across a car s radio that could give