Pothole Scanning Solution

Specially adapted Road Assessment Vehicles (RAVs) from W.D.M. Limited are using laser beams to record defects on roads throughout the UK – and identify early signs of potholes. W.D.M. Limited, the UK’s largest road condition surveying company, has been using the technology to identify surface cracking since the Millennium. If left unrepaired, it can lead to potholes!

Essex County Council has been using RAVs to show that the condition of its roads improved for the third year in a row in 2014. The data collected is used to prioritise maintenance work by highways engineers. 

Rodney Bass, the County Councillor responsible for highways and transportation, said: “Clearly our priority measures and investment in highway improvements is working. Continually maintaining and upgrading our county routes, which are our priority roads, has a tangible benefit.

The RAV scans are also submitted annual to the Department for Transport as a measure of road conditions nationally. In 2015, the RAC Foundation claimed that highway authorities paid out more than £3m compensation in the previous 12 months to nearly 49,000 British motorists whose vehicles were damaged by potholes. The Government allocated a special payment of £168m to local authorities to fill in potholes, but the Asphalt Industry Alliance say a one off investment of £12bn is needed to clear the backlog of outstanding road maintenance.

WDM®’s fleet of eight Routine Assessment Vehicles (RAV’s) operate the length and breadth of the country every year to survey more than 100,000 kilometres to gather information about road conditions.

Richard Dal Lago, Head of Electro-Mechanical Development at WDM®, says: “Our RAV laser scanners take a picture of the highway every two millimetres, identifying any cracking or rutting that requires attention.” 

WDM® specialises in delivering highway asset management solutions and has been providing road surveying equipment and services to both national and local highway authorities for more than four decades. In addition to scanning the network annually, the Company also measures the wet road skid resistance of major roads and motorways, helping deliver safer roads and saving lives.

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