Quote from Walking Turcot Yards:

“In April 2007, het Moleneind, a road in Drachten, The Netherlands, is painted blue to symbolise the water. It is 1000 meters long and 8 meters wide. It was created to form an urban river and recreate the path of a waterway that used to be where the road currently runs. […]”

You can see the road in the picture above (more here). Interesting work.