Advanced Civil Speed Enforcement System (ACSES)

ALSTOM's Advanced Civil Speed Enforcement System (ACSES) is a proven Positive Train Control (PTC) Platform.  It is a continuous speed control system with intermittent transmission of data from Transponders fixed on the track enhanced with Radio and Communications Systems for dynamic updates of data.

ALSTOM has installed ACSES on the North East Corridor (NEC), one of the busiest railroads in North America, allowing high speed travel up to 150 mph.