bandbanen
Bandbanen is a regional term used in Danish and Norwegian to refer to a belt railway or ring railway—a rail line that encircles a city or urban area and connects radial lines, often aimed at diverting through traffic from the city center and improving suburban accessibility. The word combines band/bælte (belt) with banen (the line). In practice, the label is primarily historical or descriptive; there is no single universal system known as Bandbanen today.
Belt railways typically form a circuit around central districts and link outer suburbs, airports, or freight
In other Scandinavian languages, similar concepts are described with terms such as ringbanan or ring line,
Today, many modern urban rail systems incorporate circumferential elements that originated from belt-line planning, integrated with