Busbetrieb Olten Gösgen Gäu AG
Regional Swiss public bus operator serving the Olten, Gösgen and Gäu districts with 16 lines and over 8 million passengers a year.
Last updated September 26, 2026
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Overview
Busbetrieb Olten Gösgen Gäu AG (BOGG) is a regional public transport operator based in Olten in the Swiss canton of Solothurn. It was formed in 1998 through the merger of two older local bus companies: Automobilgesellschaft Gösgeramt AG, founded in 1924, and Stadtomnibus Olten AG, founded in 1933. The company is structured as an Aktiengesellschaft (a Swiss stock corporation), but its shareholders are public bodies rather than private investors: the canton of Solothurn, the city of Olten and 23 further municipalities. This ownership structure reflects BOGG's role as a publicly mandated provider of local bus services. BOGG operates 16 lines with a total route length of 217 kilometres. Its network covers the districts of Olten, Gösgen and Gäu in the canton of Solothurn, as well as the municipalities of Aarburg and Oftringen in the neighbouring canton of Aargau. According to the company, the network includes more than 330 stops and carries more than 8 million passengers per year; Wikipedia data for 2024 put the figure at 8.3 million passengers, served by 46 active vehicles (plus one vintage bus) and 192 employees. The fleet consists of low-floor buses from MAN and Mercedes-Benz (Citaro), powered by diesel, natural gas and electricity, with the electric buses supplied by MAN. Since the middle of 2010 the fleet has been 100% low-floor accessible. Fares are integrated into the A-Welle tariff network. On its website BOGG presents itself as a regional mobility provider that "moves the region", connecting people, places and experiences and contributing to the success of public transport through environmentally friendly mobility. The site offers timetable search, ticket and fare information, a mobile app, and current service notices. Typical notices include temporary stop relocations for events or construction, such as the relocation of the Kestenholz, Kastanienbaum stop affecting lines 505 and N55, or the relocation of the Olten, Baslerstrasse stop affecting lines 501, 503, 505, 507, 509, N51 and N55. The company also publishes news about new offers, projects and people at BOGG. As a regional bus operator, BOGG is not a manufacturer or a consumer product brand; its "products" are bus lines, timetables, tickets and mobility services. Its brand identity is tied to reliable, punctual and comfortable local transport in the Olten-Gösgen-Gäu area, with a growing emphasis on low-emission and electric vehicles.
History
Busbetrieb Olten Gösgen Gäu AG (BOGG) was created in 1998 through the merger of two predecessor companies that had served the region since the early 20th century. The older of the two, Automobilgesellschaft Gösgeramt AG, was founded in 1924, while Stadtomnibus Olten AG was established in 1933. Both operated local bus services in and around the town of Olten in the canton of Solothurn. Their merger brought together the urban services of Olten with the surrounding Gösgen and Gäu districts under a single regional operator. The new company was organised as an Aktiengesellschaft (AG), but its shares were held by public bodies: the canton of Solothurn, the city of Olten and 23 further municipalities. This public ownership model is common for Swiss regional transport companies and ensures that the operator remains accountable to the communities it serves. Over the following decades BOGG expanded and modernised its network. By the 2020s it operated 16 lines with a total length of 217 kilometres, covering the districts of Olten, Gösgen and Gäu as well as the Aargau municipalities of Aarburg and Oftringen. The network includes more than 330 stops. In 2024 the company reported 8.3 million passengers carried annually, with 46 active buses (plus one vintage bus) and 192 employees. The fleet has been continuously upgraded. Since the middle of 2010 all vehicles have had low-floor entrances, improving accessibility for passengers with reduced mobility. The buses are supplied by MAN and Mercedes-Benz (Citaro) and use diesel, natural gas and electric powertrains; the electric buses are from MAN. Fares are integrated into the A-Welle tariff network, allowing passengers to use a single ticket across participating operators. In recent years BOGG has emphasised its role as a regional mobility provider. Its website highlights a dense network, a modern vehicle fleet and innovative services, and it publishes current service information, project news and company updates. The company positions itself as contributing to the success of public transport through environmentally friendly mobility, connecting people, places and experiences in the region.
- 2024
BOGG reports 8.3 million passengers carried annually, with 46 active buses and 192 employees.
- 2010
Since mid-2010 the BOGG fleet has been 100% low-floor accessible.
- 1998
BOGG is formed through the merger of Automobilgesellschaft Gösgeramt AG and Stadtomnibus Olten AG.
- 1933
Stadtomnibus Olten AG, the other predecessor company, is founded.
- 1924
Automobilgesellschaft Gösgeramt AG, one of BOGG's predecessor companies, is founded.
Products and positioning
Regional public transport provider focused on reliable, punctual, comfortable and environmentally friendly mobility in the Olten-Gösgen-Gäu area.
Regional bus lines (16 lines, 217 km)
BOGG operates 16 lines covering the Olten, Gösgen and Gäu districts as well as Aarburg and Oftringen in Aargau.
Night bus lines (N51, N55)
Night services complement the daytime network.
Mobile ticketing app
The BOGG app allows passengers to download, swipe and board, with the cheapest ticket calculated automatically.
A-Welle integrated fare products
Fares are integrated into the A-Welle tariff network.
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