Effect of Automatic Train Protection Technologies on Railroad Accident Prevention Lin, C-Y., B.C. Sooter and C.P.L. Barkan. 2020. Effect of Automatic Train Protection Technologies on Railroad Accident Prevention. In: Proceedings of the Transportation Research Board 99th Annual Conference. Washington, D.C., January, 2020. Files We're sorry. At this time, we do not have a full text copy of this text available.