Calcul itinéraire vélo

Calcul itinéraire vélo

Source google image: https://c.tiles.mapbox.com/v4/gsauvanet.1b826bf7/5/16/10.png?access_token=pk.eyJ1IjoiZ3NhdXZhbmV0IiwiYSI6IktiWkhxclUifQ.tJ3gXpnjQ532w520_3bo5Q