Profile: Ansaldo STS USA, Inc. offers signaling & transportation solutions. We supply advanced and reliable components including track circuits, switch machines, signals, Eurobalise®, relays, hot wheel detectors, highway crossing mechanisms, and event recorders. We operate transportation systems, and provide the complete maintenance to ensure full service availability. We provide traffic solutions to stations of all sizes based on the most advanced technologies which have been used worldwide, both in railways and metros. Their integration with centralized traffic control (CTC), and with automatic train protection (ATP) systems has also been proved in high speed applications. We also offer systems integration of complete electrical and mechanical scope.