Test run of brand new ALSTOM Régiolis Z 31500 # 31503 M and # 31501 M in multiple of the SNCF, on the Jura south foot line between Bettlach and Selzach, with maximum velocity of up to 176 km/h. This tricourant trainsets for 1500 V DC, 25000 V 50 Hz AC and 15000 V 16,7 Hz AC, will run on the french/swiss commuter network CEVA or LEMAN EXPRESS round Geneva from december next year. The Region Auvergne-Rhône-Alpes ordered 17 of this 71 meter long 4 car commuter trains with about 220 seats.