Showing 2 auto-routed bicycle routes (using Map of Songstadtunnelen I E 16graphhopper) between the two ends of the tunnel. Download gpx file: map33904074.gpx. Openstreetmap tags:
bicycle = no foot = no highway = trunk int_ref = E 16 layer = -1 lit = yes maxspeed = 70 name = Songstadtunnelen I ref = E 16 tunnel = yes