NOVOTEL PARIS NORD EXPO AULNAY. . Coming from the north on the A1 highway toward Paris, take the Aulnay ZI exit. Coming from the east on the A104 highway, take the A1, then take the Paris Nord II exit and follow signs for Usine Citroën (Citroën plant). Coming from Paris, at Porte de la Ch apelle, take the A1 toward Lille, then the A3 toward Paris Est Aulnay, exit Aulnay ZI.