Detailed text transcripts for TV channel - CNN - 20171219:12:07:00
Happen. >> let's go to positive train control. this is the invention, this is the safety mechanism that would allow the train to automate itself so that it could never be going 80 miles an hour around a 30-mile-per-hour curve. how is it possible that this is not in widespread use in most trains across the country? >> so, this is an incredible disappointment when it comes to safety because the ntsb has recommended technology like positive train control since the 1970s. and it was on their most wanted list back in 1990. so, this technology is not new technology. it just hasn't been implemented. ...