Er staat een barrier hier . https://www.openstreetmap.org/node/9257071339
Sommige planners zien dit. 
https://www.openstreetmap.org/directions?engine=graphhopper_foot&route=51.07927%2C3.47831%3B51.08053%2C3.48026#map=17/51.08025/3.48303&layers=N