Home › Belgian road signs M4 Category : Additional panels M4 : M4 - Cyclists allowed both directions. Cyclists may travel in both directions. M4 - Cyclists allowed both directions. Cyclists may travel in both directions. See the road sign gallery Other road signs M5M6M7M8M9Type GX (white panels - arrows)Type GX b (white panels - arrows)Type GX c (white panels - arrows)
