D621, roadworks direction Douai ouest (N455) / Flers-en-Escrebieux (A21), between Douai sud [N421] and Usine Renault Douai

D650, new roadworks layout in both directions, between Limite Nord / Pas de Calais [N50] and Douai centre [N50]

D643, roadworks direction Hirson / Cambrai, between Douai Place de l'Héritier [N43] and Douai Carrefour de l'Hôpital [N43]