KVB or Contrôle de Vitesse par Balises (it could be translated by Speed control by beacons) is a train protection system used in France and in London St. Pancras International station.It checks and controls the speed of moving trains. KVB consists of: The on-board installation, known as bord (aboard), which comprises: . An on-board computer (UEVAL) containing a processor, a communication unit ...
