Showing 2 auto-routed bicycle routes (using Map of Herlandstunnelen 57graphhopper) between the two ends of the tunnel. Download gpx file: map177822152.gpx. Openstreetmap tags:
bicycle = no foot = no highway = primary layer = -1 lit = yes maxspeed = 80 name = Herlandstunnelen overtaking = no ref = 57 source = NVDB;Kartverket tunnel = yes