14504 is 4504 (Lyon-Nantes by Roanne) circuitous by paray-le-Monial. It cross Mussy-sous-Dun viaduct.
One hydrocarbon train of Azergues line: 75960 (Lyon-Nevers) in summer 2004, at Mussy-sous-Dun viaduct. Unhappily, the last freight train on this line ran at June 8, 2005...