Norwegian authorities closely monitored Singapore's use of tolls as a means to discourage urban traffic and Bergen got its first toll zone outside the ring road on 1 February 1986. Any driver wishing to enter central Bergen by car had to pay the fee. In difference to the project in Singapore, the tolls in Norway are by law not meant as a means for regulating traffic but rather only as one for generating income to be invested in infrastructure. The lack of general protest and high income from such toll zones made them very popular initially and today toll rings circumscribe Oslo, Stavanger, Tønsberg, Namsos and Kristiansand. The toll ring in Trondheim was closed December 30, 2005 after 14 years in operation. However, after voteres elected a socialist city council it was reintroduced in 2014 - though there's a slight possibility entering the city from the west where few people reside, via a major detour. Toll roads around major cities are permanent, financing to a large extent non-road related infrastructure, like subsidizing subways or bike paths. While in rural areas they are normally of temporary nature to finance the building of the road. Often tolls are introduced on old roads, before the new roads are built - especially in the Oslo region.