If you have access to the site of the road on both sides of the wheel is not the kind of collapse, middle high raised serious rutting under the condition of your vehicle by car (or as long as the width of the lateral width of the tire on both sides of the body) can, do not need to consider the track.
As you said in the road 4.5 meters wide, you can go through, because your truck width is around 2.5 meters (if the car could not quite convenient).
