between the two lines was lost. The Wynental and Suhrental Railway On 24 June 1958 the AS and WTB companies were merged to form the Wynental- und Suhrentalbahn (WSB). The new company faced two challenges; the fact that its two lines were not physically connected and the impact on services caused by increasing motor traffic interfering with its still largely street running tracks. The first step to address these came in 1967, when the former AS branch relocated from its city centre street track into a tunnel leading to the former WTB station on the south side of the SBB station. Elsewhere on the line, steps were taken to move the tracks away from the main roads. In the villages however, space was often limited, so the railway line had to be separated from the road completely. A main step was the complete change of the route in Gränichen, on the line through the Wynental, in 1985. Nevertheless, there were still many long stretches with tramway-like characteristics, in particular in Reinach and Menziken in the upper Wynental. In 1991, passenger traffic on the SBB line from Beinwil am See to Beromünster was abandoned, and plans were set for the relocation of the WSB route to the now vacant SBB route. The adaptation work started in 1999 after the cessation of freight traffic. The new section Reinach Nord - Menziken was finally opened on 15 December 2002. On 5 December 2004, the line through Muhen, on the line through the Suhrental, was diverted away from the road. Between 2008 and 2010, the section of the Wynental line between Aarau and Suhr, which ran in the Kantonsstrasse K 242, was closed. It was replaced by a new route between the two places, operating on the right of way of the closed SBB standard gauge branch that roughly paralleled the former route. As part of this work, a new underpass was constructed to take the narrow gauge line under the SBB's Zofingen to Wettingen line and new platforms built at Suhr station providing direct interchange between the two lines. This section was operational on 22 November 2010. AAR bus+bahn In 2002, the WSB launched an umbrella brand, known as AAR bus+bahn, along with Busbetrieb Aarau (BBA), the local bus operator in the city of Aarau. Vehicles of both undertakings prominently displayed the AAR bus+bahn brand, displacing their own brandings. The two companies shared