The S50 is a railway service that runs every hour between and in the Swiss canton of

Ticino Ticino (), sometimes Tessin (), officially the Republic and Canton of Ticino or less formally the Canton of Ticino,, informally ''Canton Ticino'' ; lmo, Canton Tesin ; german: Kanton Tessin ; french: Canton du Tessin ; rm, Chantun dal Tessin . ...

and the Italian state of Lombardy, respectively.

Treni Regionali Ticino Lombardia TILO ( it, Treni Regionali Ticino Lombardia) is a limited company established in 2004 as a joint venture between Italian railway company Trenord and Swiss Federal Railways (SBB CFF FFS); both companies participate in the equity of TIL ...

(TILO), a joint venture of Swiss Federal Railways and

Trenord Trenord is a railway company which is responsible for the operation of regional passenger trains in Lombardy. The company was established by the two main railway companies in Lombardy, Trenitalia and Ferrovie Nord Milano (FNM), to manage train ope ...

, operates the service.

Operations

The S50 runs every hour from to . It uses the

Ceneri Base Tunnel The Ceneri Base Tunnel (CBT, it, Galleria di base del Monte Ceneri) is a Swiss railway base tunnel in the canton of Ticino. It passes under Monte Ceneri between Camorino in the Magadino Flat and Vezia near Lugano; it bypasses the former h ...

between and , bypassing the traditional Gotthard route. The S50 and S10 operate as a single train between Biasca and . The S50 is paired with the S40 between Mendrisio and , providing half-hourly service. South of Varese it runs express to , complementing the half-hourly local service of

's S5.

History

The S50 was introduced on 15 December 2014, with the partial reopening of the Mendrisio–Varese line between Mendrisio and . The S50 operated hourly rush-hour services between Mendrisio and Stabio, with a limited number of trains operating to and from . It was paired with the S40, which continued from Mendrisio to . The service did not operate on Sundays. The full reopening of the Mendrisio–Varese line on 7 January 2018 led to the extension of the S50 south to Varese and the increase of the frequency to hourly between Bellinzona and Varese. The S10 and S50 began operating as a single train between Bellinzona and Mendrisio. On 9 June 2019 the S50 and S40 swapped southern termini, with the S50 operating through to Malpensa Aeroporto and the S40 terminating at Varese. The opening of the Ceneri Base Tunnel transformed regional services in Ticino. On 5 April 2021, the S50 and S10 began using the tunnel and bypassing all local stops between Giubiasco and Lugano. The northern terminus moved from Bellinzona to Biasca.

Notes

References

External links

*
Official site
{{Treni Regionali Ticino Lombardia, lines=yes Rail transport in Ticino Transport in Lombardy