I wouldn't have added the box if I hadn't seen it myself. It is also mentioned on the link: https://www.vdl.lu/en/getting-around/bike-or-foot/cycling-routes-and-bike-parking 
And on the Map: https://maps.vdl.lu/neo/v1/index.html?webmap=29d1c4b6cdf14096bed37e48fa73237b&activelegend=true