City Circle Line
Videos
Page
The City Circle Line or M3 is a loop line of the Copenhagen Metro. It has been claimed by COWI A/S that the City Circle Line is the largest construction project to have taken place in Copenhagen during the last 400 years. The network's total length is 15.5 kilometres (9.6 mi) and has 17 stations. The line opened on 29 September 2019.
Øster Søgade construction site in 2014 (future sub-surface interchange between lines M3 and M4)
Circle route
Videos
Page
A circle route is a public transport route following a path approximating a circle or at least a closed curve.
High Street Kensington station on the Inner Circle line in London, the world's first circle line.
Line 10 of the Beijing Subway, the world's second longest circular metro line