“The City of Copenhagen recently launched a public bicycle counter [copenhagenize.com], completely equipped with an air pump for the convenience of cyclists. The urban display counts the daily number of cyclists that use the new Green Path that slices diagonally across the Copenhagen and Frederiksberg pathway system. There is a ‘sensor line’ in the asphalt on the bike lane a few metres in front of the counter which registers the cyclists, probably via a motion sensor.”