CNN The Situation Room December 31, 2013 22:03:00
Even improvements wouldn't protect them going 60, 70, 80. >> you just can't physically build a tank that can withstand that kind of impact speed. >> reporter: gary wolfe says trains are far safer than trucks. right now, the only alternative to shipping crude oil across the country. >> i don't think the average person wants to be driving next to a 75 mile an hour rig carrying crude oil down the highway 12 feet away from your automobile. >> reporter: some oil companies are using new technology like taking a laser snapshot of each wheel as it goes over each section of the track. they then compare...
Source: archive.org