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Aggregate Industries adopts advanced asphalt to tackle potholes

SuperCurve

Aggregate Industries is using an innovative form of asphalt designed to repair roads and prevent potholes.

SuperCurve is a 10mm polymer modified asphalt, which Aggregate Industries has labelled as being “specifically designed and engineered to provide an enhanced surface course for higher stressed areas”.

The construction materials supplier has been using SuperCurve in a bid to improve the number of repairs that need doing following utilities works 

Chris Grayling last month proposed that companies be forced to repair road surfaces for up to five years if potholes develop on the site of roadworks. Utility firms’ roadworks are currently only guaranteed for two years.

Grayling is understood to believe that the new standards will push contractors, working on behalf of utilities firms, to use better quality asphalt materials.

Aggregate Industires managing director of asphalt and ready-mix Chris Hudson said: “With cash-strapped local authorities spending an average of £1.1M - or 8% - of their annual road maintenance budgets on addressing premature maintenance arising from utilities openings, it is encouraging to see the government looking at ways to reduce this cost-burden by raising road repair standards.

“Opening a road to create a trench can reduce its structural life by up to 30%, and so the advice to contractors and utilities firms is to adopt toughened asphalt solutions early on, as this will be key to guaranteeing that roads remain pothole-free for longer.”

Meanwhile, Aggregate Industries has argued the most effective way to prevent the formation of potholes is for the government to create more robust investment strategy for maintaining the long-term condition of local roads through regular resurfacing programmes.

Hudson added: “Potholes are symptomatic of poorly maintained roads and potential underlying structural issues. All councils have seen a significant decrease in road surfacing frequency in recent years to once every 67 years when ideally they should be resurfaced between 10-20 years.

“Rather than having a reactive programme of providing local authorities with last-minute funding to patch up potholes after bouts of bad weather, what we as an industry really need is a long-term funding framework. Crucially, this will allow councils to implement a full resurfacing programme, which will go a long way in preventing potholes from forming in the first place.”

Experts have previously warned that poor quality roads with potholes could hold back the progress of autonomous vehicle development.

But in January it was revealed that the number of potholes on local roads in the UK has fallen by 27% since 2016.

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