Sitter Viaduct
Sitter Viaduct are called:
- Sitter Viaduct (motorway) of the A1 near St. Gallen
- Sitter Viaduct (SBB) on the Wil – St. Gallen near St. Gallen
- Sitter Viaduct (Südostbahn) of the SOB near St. Gallen
- Sitter Viaduct (SGA) on the Appenzell-Gais railway line in Appenzell
