The road is officially closed, but some people seem to be using it anyway. At their own risk
La route est officiellement fermé mais certaines semblent l'emprunter malgré tout. Aux risques et périls des usagers
https://www.cycletourer.co.uk/tunnelinfo/mabo.shtml
https://www.sykkel.org/topic/3190-m%C3%A5b%C3%B8dalen/