Detailed text transcripts for TV channel - KGO - 20171219:01:34:00
What is not clear yet is why the train derailed, or how fast it was going. a national transportation safety board team is headed to the crash scene. >> and clayton sandell with us live tonight from washington. clayton, as you just reported there a moment ago, this was a brand new route using these tracks for passengers for the first time. officials had expressed concern about it before they launched it? >> reporter: that's right, david. long before today's crash, a local mayor in this area said he was concerned about high speed trains in this area, saying that he thought a potential fatal acci...