Articulated lowfloor trains of the first series of Thurbo (former Mittel-Thurgau-Bahn), RABe 526 # 686 and # 689 in multiple, running as S 5 service from St.Gallen to Weinfelden, between St.Gallen Bruggen and St.Gallen Winkeln. This trains, built in 1998/1999, are called "Bluemechistli" ("flower chest" according to the box-shaped appearance) or "Seegurke" (Lake Cucumber). The # 689 has a slightly different paint scheme, with smaller black area.