Dual system class 181 locos were usually found on cross-border services to France or Luxembourg but during 2012 the class was booked to work a number of Friday and Saturday services on the Stuttgart - Singen line.
181.212 was hauling IC181 (appropriately), the 05:56 Frankfurt - Zürich, south past Grünholz, a passing loop between Sulz and Oberndorf, as the fog lifted on 13 April 2012.