Oensingen–Balsthal railway line
The Oensingen–Balsthal railway line is a standard gauge railway line in the canton of Solothurn in Switzerland. It runs  from a junction with the Jura Foot Line at  to . The  owns the line; Swiss Federal Railways operates scheduled passenger services. History 
The  opened the line between  and  on 17 July 1899. The line was electrified at  in 1943. Operation 
Swiss Federal Railways operates the S22 on a half-hourly interval between Oensingen and Balsthal, with connections available at Oensingen to , , and Zürich Hauptbahnhof. Major freight customers on the line include Swiss Quality Paper, KEBAG AG, and Von Roll. Notes

References 
 

Railway lines in Switzerland
Railway lines opened in 1899
1899 establishments in Switzerland
15 kV AC railway electrification