In 1972, the city signed a "pilot city" contract with the State (DATAR, represented by Albin Chalandon), which allowed the city to make large scale public works - e.g. the small ring road (bridge and Rue Saint-Antoine, Boulevard Bretagne, Tunnel of Gâtine) penetrating Ma Campagne and called the way to Europe, the ZUPs at Ma Campagne, the Saint-Martial town centre, underground parking at Bouillaud and Saint-Martial, Montauzier indoor swimming pools at Ma Campagne, a pedestrianized street, a one-way traffic plan with computerized management of traffic lights (Angoulême is one of the first cities in France with Bordeaux which has the Gertrude computerized system called "Philibert" in Angoulême), STGA urban transport (ten routes with flexible buses), development of Bouillaud square, Conservatory of Music.