Detailed text transcripts for TV channel - MSNBC - 20150513:15:14:00
Speed relationship to the signal system thats telling him what to do. so theres a lot of work thats already in progress. >> we heard -- >> remember when you get an event recorder which is what they call the recorders on the vehicle, and it says the operator applied the brakes well, then were going to go look at the train itself and see if theres evidence he applied the brakes. so its a set of checks and balances and everything that the ntsb does. >> john we heard amtrak officials and the mayor s...
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