From Boulogne or from the car ferries, head onto the A16 (E402) then take exit No.43 and follow the signs for Cite Europe. From Lille via the A25 (E42), head towards Calais onto take the A16 (E40) and continue west towards Boulogne then exit as above. From Paris and Reims via the A26 (E15), head towards Calais and Boulogne then take the A16 (E402) west as above. From the Eurotunnel follow signage for Cite Europe.