Track Defect News Today : Breaking News, Live Updates & Top Stories | Vimarsana

MBTA General Manager Phil Eng announced last week that more than half the extension tracks need repairs after officials found some track rails were too narrow.

Well as many passengers. however, it's very expensive to install. the commercial railroads asked for a delay in implementing this. and i believe that the new date that required implementation was depressi december of next year. had this been in place it would have stopped the train. >> you talk about mandated things in place and not until next year. there's also, of course, the human component. let's be clear, we don't know it was human error that happened here. that's what investigators are looking into. what else could have possibly caused this? a track defect, perhaps? >> well, that's unlik...

The major causes as well. we have a curve and until they get the event recorder analyzed we will not know what the speed of the train was. underlying all of this is fatigue. this has been a major concern for congress the ntsb and certainly the workers. they are not able to get sufficient rest throughout their workweek. those are the meajajor areas that i think will looked upon by ntsb and will probably know by tomorrow whether there was a track defect or a wheel failure. that is something they will be able to determine almost immediately. >> all right. larry mann thank you very much.

They are looking at human error. and they're looking at track defect or obstacle. those are all just possibilities right now. we're going to give you the latest on where they're headed and the latest on the fate of all 243 that were onboard this train. still not all accounted for. stay with us. >> i could see the blood on people's faces. >> people were flying around. >> i was just kind of praying like please make it stop please make it stop. unbelievable! toenail fungus? seriously? smash it with jublia!

We know that sectionix people were taken to the hospital in critical condition. we know that 53 people were brought to the hospital. they are considered walking wounded. the ntsb is going to arrive tomorrow morning and that they will take over this investigation. but as you can see, it's a dark night outside of philadelphia as workers try to piece this whole thing together chlth. let's go back to larry mann a train expert. just to recap, what are the possibilities of what might have happened here tonight? >> well because of the reports of vibration and heavy shaking just prior to the derailmen...