RoLa - Rolling Road "Hupac" consisting of two Saadkms type wagons, ep. IV Additional set Rolling Road "HUPAC" consisting of two Saadkms type wagons for truck transport, with realistic coupling between cars of different lengths. Rolling Road "HUPAC", an additional set consisting of four Saadkms type wagons for truck transport, with realistic coupling between cars of different lengths. Rolling Road "HUPAC", supplementary set consisting of four Saadkms type wagons for truck transport with realistic coupling between wagons of different lengths.