The Route nationale 30 is a highway in Picardy and Nord-Pas-de-Calais, northern France. It connects the town of Bapaume to with Valenciennes. Before 1973, The RN 30 was connecting Rouen to La Capelle. The road has been renamed N 31 between Rouen and Gournay-en-Bray and N 29 between Saint-Quentin and La Capelle. Wikipedia