Home page Travel planner Quotation request Tjörns Omnibustrafik AB has been on Tjörn since 1925. The company has since operated line and school bus traffic on the island and with the creation of the Tjörn bridges which were inaugurated on 15 June 1960, also scheduled traffic to and from Stenungsund and Gothenburg. Tjörns Omnibustrafik AB has approved certified systems for: Quality , Environment and Traffic Safety according to ISO 9001: 2008 and ISO 14001: 2004 Contact Address: Bussvägen 1, 47196 Bleket Tel: 0304-675010 Fax: 0304-675390 E-mail: info@bussbolag.com