Home Traffic Control Digital revolution will transform UK National Highways’ roads

Digital revolution will transform UK National Highways’ roads

The UK National Highways agency is looking into a number of innovative strategies that will transform the organization’s future operations. Initiatives include a virtual twin of the road network that can predict the time and location of potholes and other maintenance issues, as well as intelligent road materials that can repair themselves.

These are just some of the systems set to be rolled out as part of National Highways’ Digital Roads strategy, which have been outlined on a new website and ‘virtual learning environment’.

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The web pages clearly set out the company’s Digital Roads 2025 vision and how the growth of digital technology and the move to electric, connected and autonomous vehicles will fundamentally change roads in the future.

“We are at the beginning of a digital revolution on our roads network, a once-in-a-century transformation that will fundamentally change how our roads are designed, built, operated and used,” says Elliot Shaw, National Highways executive director of strategy and planning. “The Digital Roads journey, the strategy that will create the roads of the future, is huge. It covers every aspect of the road infrastructure from design and construction, to how roads are operated to the changing experience for all road users. Digital Roads will make our roads safer and greener. Improvements and maintenance will be delivered more quickly with less disruption and road users will have a far better end-to-end journey experience, with savings on time and the cost of travel.”

National Highways, formerly Highways England, is laying the foundations of the Digital Road vision with several ambitious partnerships working at the forefront of technology.

The road twinning system is being developed in collaboration with UK Research and Innovation (UKRI), Engineering and Physical Sciences Research Council (EPSRC), the EU MSCA COFUND programme, construction and engineering company Costain and the University of Cambridge. It will see drawings and static models replaced with digital versions that can identify when the maintenance is needed.

The system is being developed thanks to two grants: the £8.6m (US$11.9m) EPSRC Digital Roads Prosperity Partnership grant and the £6m (US$8.3m) EU MSCA COFUND Future Roads Fellowships programme.

“It is high time the transportation infrastructure sector embraces digital transformation,” says Dr Ioannis Brilakis, the University of Cambridge principal investigator of these grants. “We should strive to replace drawings and static 3D models with dynamic and date-rich Digital Twins, pdf documents with databases, file exchange with cloud permissions exchange, passive materials with smart materials able to sense and heal themselves and automate all manual routine maintenance. All this is possible on a data science foundation, able to generate rich, data-driven insights to help us make better decisions.”

Combining ‘live’ data from intelligent materials in the existing road surface with a digital twinning system that visualizes the road and its condition will identify when maintenance work is needed, with roads able to repair themselves using self-healing materials. This will dramatically reduce the need for time-consuming and costly on-site inspections, prevent unnecessary delays to drivers and reduce the emissions generated by roadworks.

Also in use or being developed are connected and autonomous plant, offsite fabrication and modular construction methods.

An automated cone laying machine that has been developed through National Highways’ innovation fund

As well as reducing disruption for drivers, these steps will reduce the associated carbon emissions by around 50% and help to meet the target of zero injuries or deaths on the network by 2040.

The Digital Roads vision for the strategic road network supports the Government’s ambition of ‘the UK being a world leader in shaping the future of transport’ and supporting Britain’s growth. For example, digital design and construction could reduce scheme delivery times by up to 50%.

“From digital road models that can predict where maintenance is needed on the real-life road network, to self-repairing road surfaces, and automated cone laying machines, we’re committed to keeping the UK at the forefront of technological developments,” says Baroness Vere, roads minister. “I’m therefore delighted that National Highways’ vision reflects this, benefitting road users for many years to come with greener, smoother, safer journeys.”

How the network is operated is becoming more automated and data driven. The use of technology enables National Highways to pre-empt situations rather than just responding to them. For example, sensor technology will forecast traffic levels, weather and environmental conditions enabling us to pre-emptively prepare and respond to situations.

Digital technology can enable more efficient design and planning by integrating digitized design standards, tools and digital twins

Communication with drivers is improving, ensuring that accurate information is available to help plan journeys through their preferred digital channels. Longer term, the deployment of connected and autonomous vehicles is expected to drastically improve traffic flow and reduce incidents by up to 90%.

“National Highways’ vision for Digital Roads will transform road transport in the UK; harnessing technology to create greener, safer, more inclusive and more reliable mobility – the embodiment of an Intelligent Transport System,” says Ian Patey, immediate past-chair of ITS (UK).

Visitors to the new website will be able to enter a ‘virtual learning environment’ with additional information about how National Highways will deliver its vision and the impact on road users, employees and companies in the supply chain.

The vision for Digital Roads also goes beyond 2025 and looks forward to 2050 and beyond. Freight platooning, personalized in-vehicle messaging as well as vehicles sharing data, and decluttered roads free from signage. These are some of the ambitions for the roads of the future.

National Highways recognizes that realizing the vision will rely on the continued support of the supply chain and stakeholders. The agency is preparing to launch a Digital Roads innovation competition later in the year looking for fresh ideas and involvement. This will be funded through the Innovation and Modernisation designated fund.

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