Showing 2 auto-routed bicycle routes (using Map of Onstadtunnelen E 16graphhopper) between the two ends of the tunnel. Download gpx file: map40952842.gpx. Openstreetmap tags:
highway = trunk int_ref = E 16 layer = -1 maxspeed = 80 name = Onstadtunnelen oneway = no ref = E 16 tunnel = yes