Press2ToContinue writes: White lines along the center of roads have been removed in parts of the UK, with some experts saying it encourages motorists to slow down. So is it the beginning of the end for the central road marking? You are driving along the road when the dotted white line that has been your companion — separating your car from oncoming traffic — suddenly disappears. One theory is that you will slow down, making the road safer. What could possibly go wrong?