Track Engineers News Today

>> okay. you know this stretch of track really well. i understand there was a 50 miles per hour speed limit. could a train that train 188 given the number of cars, speed at which it was traveling could it have safely made it around the bends, was that even a possibility? >> what the 50-mile-an-hour speed was what we call a permanent restriction meaning that the radius and the various other features of the track, there is a formula that the track engineers use. and they factor in a safety factor....