AB Auto (Automobildienst Appenzeller Bahnen) B21 Bus

A bus service operated by AB Auto (Automobildienst Appenzeller Bahnen)

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List of stops

Number of stops: 15

Map

St. Gallen, Riethüsli – Trogen, Bahnhof

St. Gallen, Riethüsli	01:07 +1	02:07 +1
St. Gallen, Hochwacht	01:08 +1	02:08 +1
St. Gallen, Ruhbergstrasse	01:08 +1	02:08 +1
St. Gallen, Melonenstrasse	01:09 +1	02:09 +1
St. Gallen, Oberstrasse	01:09 +1	02:09 +1
St. Gallen, Bleicheli	01:10 +1	02:10 +1
St. Gallen, Bahnhof	01:15 +1 01:22 +1	02:15 +1 02:20 +1
St. Gallen, Marktplatz Bohl	01:24 +1	02:22 +1
St. Gallen, Spisertor (Bus)	01:25 +1	02:23 +1
St. Gallen, Schülerhaus	01:26 +1	02:24 +1
St. Gallen, Birnbäumen	01:27 +1	02:25 +1
St. Gallen, Notkersegg	01:29 +1	02:27 +1
Schwarzer Bären, Bahnhof	01:31 +1	02:29 +1
Vögelinsegg, Bahnhof	01:33 +1	02:31 +1
Schützengarten, Bahnhof	01:34 +1	02:32 +1
Speicher, Bahnhof	01:35 +1	02:33 +1
Bendlehn, Bahnhof	01:37 +1	02:35 +1
Gfeld, Bahnhof	01:38 +1	02:36 +1
Trogen, Bahnhof	01:40 +1	02:38 +1

The schedule is provided in the local timezone. Times with "(+1)" indicate departures on the next day.

Trogen, Bahnhof – St. Gallen, Riethüsli

Trogen, Bahnhof	01:40 +1	02:38 +1
Gfeld, Bahnhof	01:41 +1	02:39 +1
Bendlehn, Bahnhof	01:42 +1	02:40 +1
Speicher, Bahnhof	01:44 +1	02:42 +1
Schützengarten, Bahnhof	01:45 +1	02:43 +1
Vögelinsegg, Bahnhof	01:46 +1	02:44 +1
Schwarzer Bären, Bahnhof	01:48 +1	02:46 +1
St. Gallen, Notkersegg	01:50 +1	02:48 +1
St. Gallen, Birnbäumen	01:51 +1	02:49 +1
St. Gallen, Schülerhaus	01:52 +1	02:50 +1
St. Gallen, Spisertor (Bus)	01:53 +1	02:51 +1
St. Gallen, Marktplatz Bohl	01:55 +1	02:53 +1
St. Gallen, Bahnhof	02:00 +1 02:03 +1	02:58 +1 03:03 +1
St. Gallen, Bleicheli	02:03 +1	03:03 +1
St. Gallen, Oberstrasse	02:04 +1	03:04 +1
St. Gallen, Melonenstrasse	02:04 +1	03:04 +1
St. Gallen, Ruhbergstrasse	02:05 +1	03:05 +1
St. Gallen, Hochwacht	02:05 +1	03:05 +1
St. Gallen, Riethüsli	02:06 +1	03:06 +1

The schedule is provided in the local timezone. Times with "(+1)" indicate departures on the next day.

Route Path (Streets & Roads)

Outbound: St. Gallen, Riethüsli – Trogen, Bahnhof

Teufener Strasse - Wassergasse - Bohl - Speicherstrasse - Sankt Gallerstrasse - Berg

Inbound: Trogen, Bahnhof – St. Gallen, Riethüsli

Berg - Sankt Gallerstrasse - Speicherstrasse - Bohl - Wassergasse - Teufener Strasse

Schedules and stops for this route are published in GTFS: geops-chl

Bus B21 FAQ

What time does the B21 bus start operating?

Services on the B21 bus start at 01:07 ⁺¹ on Friday, Saturday, Sunday.
What time does the B21 bus stop working?

Services on the B21 bus stop at 02:38 ⁺¹ on Friday, Saturday, Sunday.
Is there a B21 bus stop near me?

Click here to view the nearest B21 bus stop.

B21 (Sankt Gallen Buses)

The first stop of the B21 bus route is St. Gallen, Riethüsli and the last stop is Trogen, Bahnhof. B21 is operational during on weekends.

Additional information: B21 has 19 stops. The total trip duration for this route is approximately 33 minutes.

More than 2 million users trust busmaps.com for public transport information. Find suggested Buses routes in Sankt Gallen, real-time vehicle tracking, route maps, nearby stops, and offline PDF schedules.

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Last updated on July 31, 2026