It wasn't "built". Almost all of it was already there. If was made into a route, had an orange line painted on it and (sometimes this seems like the most import

It wasn't "built". Almost all of it was already there. If was made into a route, had an orange line painted on it and (sometimes this seems like the most important part when dealing with bicycle projects in Denmark) marketed heavily. One of the comments on the linked danish article is a woman who says she's been doing that commute for years - a long a different route that is shorter and worked very well for her, so she doesn't really see the point.