Detailed text transcripts for TV channel - MSNBC - 20171219:14:04:00
Costello who covers transportation for us and joins me now. tom, we've got the technology. it can save lives. why isn't it there? >> there are a number of reasons. first of all, this is like automatic braking in your car. if you get too close to the car in front of you, the computer slams on the brakes. with transponders buried in the tracks, and then you've got computers guiding and watching every position of every train so when it goes into a speed reduction zone it slows down. if it doesn't, it slams on the brakes. it doesn't allow you to slam into a train ahead of you. now, congress mandat...
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