SNCF x 73585 and two others. They are leaving Chantonnay heading Les Sables d'Olonne. 
Such mechanical signal are now very few. This train is called "Train of the beach" and allows inhabitants who live inside the country, between Saumur and Les Sables,  to reach the seaside for one day, or more. 
13th August 2020, photo Patrick Meunier Pmeunier23@aol.com