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Vanishing act for ghost markings thanks to HE trials

An end to confusing ‘ghost markings’ on roads could soon be in sight following a competition launched by Highways England to tackle the worldwide issue

Last year Highways England launched a £685,000 international research project to find a solution to issues around the removal of white lines and of ‘ghost markings’. The competition set out to identify the most effective road markings that will also reduce damage to the surface when the lines are removed.

Seven new products are being tested to check their skid resistance and performance in the dry and wet as well as five systems for removing white lines to see if they are more effective.

Head of Lean and continuous improvement Martin Bolt, who has been overseeing the competition for Highways England, said: “The trial will continue until April but the results so far have been very promising and the safety benefits are already clear. We are very optimistic that we have identified some effective solutions to a worldwide problem.

“We know that people find the ghost lines confusing but these new methods could make this issue disappear, creating safer journeys for drivers. They will also prevent damage to the road surface saving time and money. We have certainly gaining a greater insight into the materials and processes we, and the road industry, could be using in future schemes.”

One approach used in the trial has been to apply a black baseline first before adding the white line. This also fills in some of the voids in the road preventing the marking penetrating too deeply into the surface. Another advantage is that it provides greater contrast between the marking and the road itself which will be increasingly important as autonomous vehicles are introduced.

Products from around the world were submitted for the competition. At a testing centre in the Spanish capital Madrid, the markings were then subjected to some two million ‘wheel overs’ to find the top products for skid resistance and performance. The best seven were then also put to the test on the northbound carriageway of the M5, between junctions 20 (Clevedon, Nailsea) and 18 (Avonmouth).

Once testing is complete, the most successful products will be highlighted in research shared around the world and setting new high standards for the road industry.

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