After World War II, the Dutch rebuilt their country which was then rapidly increasing economic (economic boom) and followed by a rapid increase in the number of cars circulating in the country. With so many cars that operate high need accommodation as well.
Facts about Netherlands as the Bicycle country
In the 1970s, the Dutch have an energy crisis, economic crisis and there was a very frightening thing that many children are dying because of conditions that do not allow is what encourages people prefer Dutch cycling with mass movements simultaneously.
Until now the Netherlands met by environmentally friendly means of transportation is bicycle.