Jason Johnson, Trust general manager, talked about the technical differences, "If the [Pennsylvania Railroad] is building steam locomotives ... The GG1 electric, K4 Pacific, duplex 6-4-4-6 S1 ...

A Federal Railroad Administration study on mainline electrification recommends that the railroad industry develop a prototype ...

Examples in the east included the New York, New Haven & Hartford; Pennsylvania RR ... from overhead lines to pantograph-equipped electric locomotives (and interurbans, streetcars, and light ...