*Byggðastofnun, ekki byggðarstofnun

Seems like there is supposed to be a connection for bikes and pedestrians near the roundabout over to Grenivíkurvegur according to bid documents (útboðsgögn). Just open the image on the bottom of this page and zoom in: https://www.svalbardsstrond.is/is/mannlifid/frettir/gongu-og-hjolastigur-i-vadlaheidi