I have been told this is no one-way road !
see also https://www.mapillary.com/app/?lat=50.66968739997304&lng=4.571495849998428&z=18&pKey=276807911595720

I am wondering about this block at the beginning of Markieslaan: is it well placed ? I have seen pictures of a car on this road and heard of a bus going this way.