Swiss AB’s Automated Rheineck-Walzenhausen Rail: Stadler CBTC Project

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Introduction

Appenzeller Bahnen (AB) has submitted an application to the Swiss Federal Office of Transport to convert its 1.90 km Rheineck–Walzenhausen rail line to fully automated operation. The project, initiated in September 2022, aims to commence automated operations approximately five years later, with infrastructure works scheduled to begin at the end of 2026.

Project Overview

Appenzeller Bahnen (AB) is seeking approval to implement fully automated operation on the Rheineck–Walzenhausen rail line. The planning permission application submission marks a key step toward establishing the world’s first fully automated rack-and-adhesion railway outside urban areas. Public consultation in the affected communities is anticipated to occur this autumn, following the initial review by the Federal Office of Transport.

Timeline and Implementation

Infrastructure works are scheduled to commence at the end of 2026, with the project expected to be completed by the end of 2027. During the construction phase, replacement buses will be in operation. The newly automated railway is set to resume service after construction is complete. Initially, journeys will be supervised, with the eventual goal of unaccompanied vehicle operation.

Technical and Design Specifications

Pre-tests are currently underway to ensure operational safety, including the continued improvement of the collision warning system installed over a year ago. Measurements of communication quality for vehicle control have also been completed. The new vehicle design includes a large panoramic window and wooden seats, addressing previous customer feedback. The design also incorporates features to accommodate wheelchair users without assistance, in compliance with the Disability Equality Act.

Strategic Rationale and Partnerships

The decision to automate the Rheineck–Walzenhausen rail line stems from the current vehicle’s end-of-life status. The automation solution aims to extend operating hours and achieve operational cost savings. Stadler has been contracted to supply the vehicle and the CBTC technology.

Conclusion

Appenzeller Bahnen (AB) is moving forward with plans to automate the Rheineck–Walzenhausen rail line, pending regulatory approvals. The project includes infrastructure upgrades, new vehicle designs, and the implementation of CBTC technology, with the goal of launching automated operations in the coming years.

Company Summary

Appenzeller Bahnen (AB): AB has applied to the Swiss Federal Office of Transport for permission to convert its 1.90 km Rheineck–Walzenhausen rail to fully automated operation.

Stadler: Stadler has been contracted for the delivery of the vehicle, as well as the CBTC technology, also designed and manufactured by Stadler.

Technology

CBTC: Stadler has been contracted to supply the CBTC technology.

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