S20 (TILO)

The S20 is a railway service that runs every half-hour between Castione-Arbedo and Locarno in the Swiss canton of Ticino. Treni Regionali Ticino Lombardia (TILO), a joint venture of Swiss Federal Railways and Trenord, operates the service.

Operations
The S20 runs every 30 minutes between Castione-Arbedo and Locarno, using the Gotthard line from Castione-Arbedo to Giubiasco and then the Giubiasco–Locarno line to Locarno.