The Appenzell–St. Gallen–Trogen railway, also known as the Durchmesserlinie (diameter line), is a metre gauge overland tramway in the Swiss cantons of Appenzell Innerrhoden and Ausserrhoden and the city of St. Gallen. It is the steepest adhesion railway in Switzerland with a gradient of up to 8.0% and forms part of the network of the Appenzell Railways (AB) and the St. Gallen S-Bahn (S20, S21 and S22 services). The line's two branches were completed in sections between 1889 and 1904 by the St. Gallen-Gais-Appenzell-Altstätten Railway and the Trogen Railway. The two lines were connected by the AB with a cross-city route in 2018.
Quick Facts Overview, Line number ...
Appenzell–St. Gallen–Trogen railway |
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ABe 8/12 between Schülerhaus and Notkersegg, St. Gallen behind |
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Line number | 855 |
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Locale | Switzerland |
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Termini | |
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Line length | 29.72 km (18.47 mi) |
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Track gauge | 1,000 mm (3 ft 3+3⁄8 in) |
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Minimum radius | 25 metres (82 ft) |
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Electrification |
- Appenzell–St. Gallen: 1500 V DC
- St. Gallen–Schülerhaus: 600 V DC
- Schülerhaus–Trogen: 1500 V DC
- Overhead lines
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Maximum incline | 8.0% |
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km |
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20.06 |
Appenzell |
785.6 m |
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Sitter Viaduct (296 m) |
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Hirschberg (64 m) |
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18.40 |
Hirschberg |
819.9 m |
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16.12 |
Sammelplatz high point |
928.2 m |
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depot and workshop |
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13.91 |
Gais |
915.2 m |
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13.37 |
Zweibrücken |
907.2 m |
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Eggli (planned) |
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12.05 |
Strahlholz |
875.0 m |
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10.63 |
Bühler |
824.7 m |
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9.25 |
Steigbach |
811.7 m |
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Goldibach (94 m) |
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7.16 |
Teufen |
833.4 m |
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6.32 |
Stofel |
836.2 m |
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5.77 |
Sternen bei Teufen |
831.2 m |
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5.15 |
Niederteufen |
830.7 m |
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3.86 |
Lustmühle |
770.7 m |
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chainage adjustment -0.14 | (since 2018) | |
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Liebegg |
740.3 m |
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2.22 |
St. Gallen Riethüsli until 2018 |
748.6 m |
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2.01 |
St. Gallen Riethüsli since 2018 |
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2.0 |
beginning of rack section (until 2018) |
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Ruckhalde Tunnel (since 2018) 725 m |
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1.0 |
end of rack section (until 2018) |
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St. Gallen freight yard | (from late 2022)[1] | |
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new route (from the end of 2022) |
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St. Leonards bridge |
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access to St. Gallen SGA (until 2018) |
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crossover (since 2018) |
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St. Gallen AB |
669.2 m |
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St. Gallen |
669.6 m |
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0.27 |
St. Gallen Rathaus |
669.6 m |
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0.83 |
St. Gallen Marktplatz |
667.8 m |
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1.13 |
St. Gallen Spisertor |
667.8 m |
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1.75 |
St. Gallen Schülerhaus |
695.2 m |
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2.33 |
St. Gallen Birnbäumen (since 2009) |
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2.60 |
St. Gallen Tivoli (until 1982) |
754.0 m |
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3.13 |
St. Gallen Notkersegg |
781.8 m |
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Kurzegg (only downhill) |
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4.52 |
Schwarzer Bären |
855.0 m |
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5.31 |
Rank |
862.8 m |
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6.50 |
Vögelinsegg |
938.2 m |
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6.75 |
high point |
956.1 m |
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7.25 |
Schützengarten |
935.0 m |
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7.64 |
Speicher depot and workshop |
923.7 m |
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8.48 |
Bendlehn |
927.6 m |
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9.27 |
Gfeld |
917.4 m |
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9.80 |
Trogen |
915.3 m |
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Notes: until 2018: km 2.56; since 2018: km 2.42 until 2018: km 2.33; since 2018: km 2.19
Source: Schienennetz Schweiz and Swiss railway atlas[3] |
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