For many cities, the overall quality of life for its citizens is of utmost importance. This is not only characterised by a healthy environment, good living conditions and a growing economy, but also by the possibility to travel in a positive way. Walking is an efficient way of using expensive and scarce space in urban areas, and is healthy, clean, cheap and energy efficient. Almost half of all car trips are over distances of less than five kilometers. Therefore, there is enormous potential for walking, already tapped into by pioneering towns and cities.