 These are similar to what is used on the Rohr cars and the rehabilitated Bredas, indicating when the train is in the final stages of stopping.Mechanically, the 6000-series cars features the same cast trucks as the CAF cars, and use the same propulsion systems and advanced cab signaling systems found in the Breda 2000/3000-series rehabilitation from Alstom.The body shells of the 6000-series were built in Barcelona, Spain, with assembly completed in Hornell, New York.