SZU_4.0
To meet the challenges of the future, we have created what we call the Future Formula. Specific projects will ensure that our passengers get to their destinations more punctually, comfortably and quickly in the future.
The three pillars of our Future Formula
The Future Formula consists of the three pillars: ‘more punctually’, ‘more comfortably’ and ‘more quickly’.

Getting to your destination more punctually
Benefit from more reliable travel services that help you reach your destination more punctually.

Getting to your destination more comfortably
Enjoy more convenient boarding and greater comfort while travelling.

Getting to your destination more quickly
Reach your destination faster thanks to more connections.
The projects at a glance
‘More punctually’, ‘more comfortably’, ‘more quickly’ – each of the three pillars brings us one step closer to the future with specific projects.
Expansion of Zurich HB SZU station (approx. 2026)
SZU is expanding Zurich HB SZU station to bring it into line with the Disability Equality Act (BehiG) and current customer requirements, and is thus meeting a key prerequisite for coping with the sharp rise in passenger numbers.
Relocation of the Friesenberg stop and extension of the double tracks at Borrweg (approx. 2027)
SZU is relocating the Friesenberg stop and extending the existing double tracks to bring the station into line with the Disability Equality Act (BehiG) and current customer requirements, as well as to improve punctuality.
Procurement of new trains for the S4 line (approx. 2027)
SZU is procuring new, state-of-the-art RBe 560 multiple-unit trains for the Sihltalbahn railway’s S4 line. They will replace the old rolling stock and are an important prerequisite for coping with the sharp rise in passenger numbers.
Construction of double tracks and the new Wildpark-Höfli railway station (approx. 2027)
SZU is building additional double tracks and relocating the Wildpark-Höfli railway station. This will meet a key prerequisite for the increased frequency of trains planned for every 15 minutes/7.5 minutes, as well as improve punctuality.
Decarbonisation of the Zimmerbergbus network (from 2027)
SZU will replace all its diesel-powered buses with buses that have environmentally-friendly, energy-efficient drive technologies in order to reduce greenhouse gas emissions and save energy costs.
Renovation of the Adliswil railway station building (approx. 2027)
SZU is renovating the railway station building in Adliswil to ensure the site meets current customer requirements and to make travel by train more pleasant.