Steady ascending aerial of freeway traversed by wildlife crossing for animals to migrate between conservancy areas revealing a bike bridge besides

traffic transit dutch landscape wildlife crossing commute bicycle path bike bridge eco passage ecological infrastructure pan rotating movement freeway highway netherlands nature reserve speed limit engineering forest cars transportation ecoduct aerial from above protection area passageway connection conservancy area corridor ecology environmental expressway green bridge greenbelt habitat infrastructure migration passage preservation protection concept road scenic traverse underpass urban planning viaduct a1 national freeway borkeld ecopassage green strip