Know the situation here is a little complicated by work ongoing and private propriety AND  "open access rules" from VUB, but think that the road is bicycle:onway=no for https://www.openstreetmap.org/way/243570328

https://www.mapillary.com/app/?pKey=788747099420886 that go to https://www.openstreetmap.org/way/1177893340 

Access tag seams a little strange too.

