MERCURE LYON CHARBONNIERES 3 *. . Coming from the North or South, take the A6 motorway, exit 36 PORTE DU VALVERT then continue towards TASSIN LE BOURG then towards ROANNE via the RN7 (national highway). Coming from the East (A42, A43, Blvd Laurent Bonnevay), take the northern ring road as far as it goes and then exit at PORTE DU VALVERT. Then continue towards TASSIN LE BOURG and ROANNE via the RN7.