Merge branch 'master' into jgrpp

# Conflicts:
#	src/station_cmd.cpp
#	src/vehicle_gui.cpp

src/vehicle_gui.cpp

@@ -3651,6 +3651,9 @@ public:
 		if (v->type == VEH_TRAIN) {
 			this->SetWidgetLoweredState(WID_VV_FORCE_PROCEED, Train::From(v)->force_proceed == TFP_SIGNAL);
 			this->SetWidgetDisabledState(WID_VV_FORCE_PROCEED, !can_control);
+		}
+
+		if (v->type == VEH_TRAIN || v->type == VEH_ROAD) {
 			this->SetWidgetDisabledState(WID_VV_TURN_AROUND, !can_control);
 		}