The S21 is a railway service of
RER Fribourg
RER Fribourg or RER Fribourg , Freiburg (, ) is an S-Bahn network in the canton of Fribourg in Switzerland. The network has two hubs, Bulle and Fribourg, and began operating in .
History
The RER Fribourg network began operation with the 11 D ...
that provides hourly service between and , in the Swiss cantons of
Neuchâtel
Neuchâtel (, ; ; ) is a list of towns in Switzerland, town, a Municipalities of Switzerland, municipality, and the capital (political), capital of the cantons of Switzerland, Swiss canton of Neuchâtel (canton), Neuchâtel on Lake Neuchâtel ...
,
Bern
Bern (), or Berne (), ; ; ; . is the ''de facto'' Capital city, capital of Switzerland, referred to as the "federal city".; ; ; . According to the Swiss constitution, the Swiss Confederation intentionally has no "capital", but Bern has gov ...
and
Fribourg
or is the capital of the Cantons of Switzerland, Swiss canton of Canton of Fribourg, Fribourg and district of Sarine (district), La Sarine. Located on both sides of the river Saane/Sarine, on the Swiss Plateau, it is a major economic, adminis ...
, respectively.
Transports publics Fribourgeois
The Transports Publics Fribourgeois (TPF) is a renaming of the former Chemins de fer Fribourgeois Gruyère-Fribourg-Morat when the municipal Transport en commun de Fribourg (TF) was absorbed in 2000.
Lines
The company is a railway operator ...
operates the service.
Operations
The S21 runs hourly between and . It uses the western end of the
Bern–Neuchâtel line and the entirety of the
Fribourg–Ins line. It is paired with the
S20, providing half-hourly service.
History
RER Fribourg introduced the S21 designation on 14 December 2014 for a rush-hour service between Fribourg and . In December 2017 it was changed to an hourly service on weekdays between Fribourg and Ins, paired with the S20 and together providing half-hourly service. With the December 2021 timetable change, both the S20 and S21 were extended south from Fribourg to Romont, replacing the
S40. The S21 began running on weekends with this change, while the S20 operated between Fribourg and Romont on weekdays only. In December 2024, the S21 was extended from Ins to Neuchâtel to provide half-hourly between Neuchâtel and Fribourg/Freiburg, the service between Fribourg and Romont was transferred to the S40/S41 lines.
References
External links
2025 timetable
{{RER Fribourg
RER Fribourg lines
Transport in the canton of Bern
Transport in the canton of Fribourg
Transport in the canton of Neuchâtel