Ae 6/6 # 11407 "Aargau" of SBB Historic, on long term loan to asociation "Mikado 1244" in Brugg AG, is crossing the highest railway bridge in Switzerland, the 99 meter high Sitter viaduct between St.Gallen Haggen and Herisau, with cars of the AMOR Express (former Bodensee-Toggenburg-Bahn) and a red buffet car of the DVZO. The train circulated to celebrate the renovated viaduct for the workers involved in the construction work. The trussed girder of this bridge, built from 1908 to 1910 for the Bodensee-Toggenburg-Bahn, has a main span of 120 meter.