The East-West going Trondheimsveien dates back to the earliest 17th. century and in 1870 a North-South going road was built.
In the 1950. the traffic had increased so a plan to make it more safe was made. 1957 a roundabout was the result and was the first in Norway.
The Sinsen Interchange, Norways first roundabout
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By Dania @ 2011-09-11 08:37:11