One-hundred percent of the tracks owned by the U.S. operations of the Class I railroads have completed the advanced field testing of positive train control (PTC), a federally mandated safety technology that must be implemented on all Class I railroads, Amtrak and certain commuter rail lines by December 31 of this year, according to the Federal Railroad Administration (FRA).
The advanced field testing stage, known as revenue service demonstration (RSD), is among the last steps to completing the...