SWITZERLAND: Zürich start-up Traila has demonstrated a prototype sensor-based active steering system which is designed to significantly reduce the friction between tram wheels and rails, reducing noise, wear and dust.


A simulation platform is being used to test the prototype in partnership with ABB and Prose, using data from a wheelset fitted to a withdrawn T2000 tram from Zürich operator VBZ.

The technology is expected to be commercialised by 2025.

‘The problem with passive steering systems is their multiple negative side effects such as noise, fine particle emissions, vibrations and high maintenance’, said Traila CEO Dr Tom Morris. ‘We will solve all these problems, problems that have existed since rail transport came into existence.’