PSR and PTC: Could They, Should They, Must They Coexist?
Editor’s Note: At an Oct. 8, 2019 presentation before the W.A.R.E.S. (Washington Area Railway Engineering Society) Annual Conference, Steve Ditmeyer, Principal of Transportation Technology and Economics, presented his vision of what he calls “NextGen Train Control,” or “What comes next after Positive Train Control.” Following are excerpts from his talk. The entire presentation can be downloaded from the link following this story. – William C. Vantuono