A lowfloor articulated trainset (GTW) RABe 526 680 of Thurbo, in front cab car Bt 50 46 2935 221, is on the way as "S 5" from Weinfelden to St.Gallen. "Thurbo", a daughter company of the SBB, has 10 of this GTW from 1998 and 4 cab cars from 1999, all built by Stadler Rail for the Mittel-Thurgau-Bahn. Because of their square shape, they are also called "flower boxes" (Blumenkisten).