ALTRAC

Electronic, electromechanical, and data processing apparatus, equipment and devices, namely, transponders, transmitters and receivers, radio block centers, sensors, interfaces, speed and distance measurement units, track side signals, traffic line signaling systems, computer hardware, and associated computer software for controlling the direction, the position, the movement and the speed of trains, for controlling the stopping of trains in stations, for optimizing the frequency of train service and the safety of passengers of railway transport, and for implementing communications means between moving trains and the ground