 From 10 October 1991, the bus division started a service line for the elderly and disabled in the areas Haugerud, Tveita Oppsal, Bøler, Bogerud and Skullerud.From 7 July 1992, Oslo Sporveier received two Ontario Orion II25 buses for these routes, which had experienced a 90% load factor.Additional service routes were established on 1 December 1992 and on 10 May 1993.