The direction are reverted actually.
I collect some pictures about roadworks in front of the train station in namur. 
https://panoramax.openstreetmap.fr/#background=streets&focus=map&map=16.23/50.470149/4.859964&speed=250

Hope that can helps you.

If you need i check on field some ways around namur, let me know.
I'll publish them on panoramax