Private company

AAR bus+bahn

Logo: Unknown author Unknown author, Public domain, via Wikimedia Commons3

Transport company1

AAR bus+bahn was an umbrella brand of two public transport companies operating in and around the city of Aarau in the Swiss canton of Aargau. It was launched in 2002 and comprised the Wynental- und Suhrentalbahn (WSB) and the Busbetrieb Aarau (BBA). Vehicles of both undertakings prominently displayed the "AAR bus+bahn" brand, displacing their own brandings.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

WSB Aarau
Photo: User:CommonismNow, CC BY-SA 3.0, via Wikimedia Commons4

AAR bus+bahn was an umbrella brand of two public transport companies operating in and around the city of Aarau in the Swiss canton of Aargau. It was launched in 2002 and comprised the Wynental- und Suhrentalbahn (WSB) and the Busbetrieb Aarau (BBA). Vehicles of both undertakings prominently displayed the "AAR bus+bahn" brand, displacing their own brandings. The two companies shared some senior managers, but remained legally distinct.2

Sources

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