S90 (TILO)
The S90 is a railway service that runs every half-hour between  and  in the Swiss canton of Ticino. Every other train is extended from Lugano to . The S90 uses the traditional Gotthard line, making local stops bypassed by the Ceneri Base Tunnel. Treni Regionali Ticino Lombardia (TILO), a joint venture of Swiss Federal Railways and Trenord, operates the service. Operations 
The S90 runs half-hourly between  and  and hourly between Lugano and , using the traditional Gotthard line. All other scheduled passenger services use the Ceneri Base Tunnel between Giubiasco and Lugano. South of Lugano, the S90 supplements the RE80 and S10 / S50. History 
The S90 was introduced on 5 April 2021, when the completion of the Ceneri Base Tunnel permitted a major reorganization of regional railway services in Ticino. The S90 replaced the S10 and S50 between Giubiasco and Lugano, as both services were re-routed through the tunnel, saving 12 minutes. References

External links 
 Official site

Rail transport in Ticino