During the second half of October, 2001, a DB multi-voltage ICE3 (type 406) visited Belgium for type acceptance tests, in preparation for through running between Köln and Brussels next year when the high-speed line now under construction some 65 km between Ans and Leuven is taken into service. It is seen here beside PBA Thalys 4531 outside Forest TGV depôt on 1 November 2001