. >> michael ward of csx gave me a startling new statistic because people in cars don't believe the gates and try to go around them thinking they can beat the train. so aside from, i don't want to talk about only depressing things. aside from suicide by train there is also fatalities that are unnecessary but that is in because the tracks cross the roads because they're old. >> yes. >> and in chicago there has been a particular problem because a quarter of all rail traffic in america goes through chicago and it is an old system. >> right. >> and it also dates back to the time when the u.s. didn't have a system. they had a bunch of separate railroads all putting tracks wherever they wanted. >> wherever they wanted. >> wherever they wanted. they're all crossing at angles and sometimes multiple and commuter trains are using the same tracks. they have priority. commuter passenger and then well, light rail, commuter passenger, freight. >> freight. >> but a long freight train could tie up traffic for 20 minutes. >> right. >> so, more dire details but chicago is trying to untangle them. >> let me