(Source: Progressive Railroading magazine, November 2011 issue)
With the federally mandated implementation deadline a little more than four years away, dozens of U.S. freight and commuter railroads continue to work on multiple fronts to develop, test and implement their positive train control (PTC) systems in time. The problem is, many of them predominantly still are focused on the first part of that three-pronged mission.
Full story: Progressive Railroading