Kollektivtransportproduksjon AS, (formerly Oslo Sporveier or Sporveien) is the municipal public transport operator of Oslo, Norway. In 2003, the company had 2,365 employees, and transported its 160 million passengers 710 million kilometers. The company is after July 1, 2006 administrated by Oslo Sporveier. The actual operations in the company is performed by eight subsidiaries. The responsibility for maintenance and infrastructure is in the hands of the mother company. In addition to the operational subsidiaries of the company, Kollektivtransportproduksjon also owns three other subsidiaries.
