This example is a hopscotch game which is built into a road surface, using coloured bricks. It is one of several in the same area.
This area, Peelo in Assen, extensively uses the idea of the woonerf or "home zone". The speed limit on these streets is walking pace, and cyclists and pedestrians have priority over motor vehicles. The woonerven are connected together by roads which have a speed limit of 30 km/h (18 mph) as well as by cycle paths which give the most direct and convenient routes.
This idea was very common in the Netherlands in the late 1970s through to the 1980s when this area of the city were built. Similar thinking can be seen in developments from the early 1970s and in later developments.
A video showing the streets around this area is here:
While this estate is now nearly 30 years old, many of the features of it are still not apparent in areas of housing being built in other countries. This area of Assen, as well as newer and older residential areas, features on the Study Tour.