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Boral has introduced a pioneering crumbed rubber asphalt bitumen derived from off-the-road (OTR) tyres, marking am achievement in Australia. The company claims this innovative product can extend pavement life up to twice as long as conventional road treatments, offering a sustainable and high-performance solution for infrastructure.

As urban mobility continues to evolve, there is a growing emphasis on sustainable infrastructure alongside advancements in vehicle technology and energy sources. Urban roads, cycling lanes, and transport infrastructure must accommodate multiple mobility modes while addressing challenges such as traffic congestion, costs, and environmental impact.

The potential of rubberized asphalt to enhance road durability and sustainability was a key topic at the recent Workshop on Rubberized Asphalt held in Rome on December 4-5. The event, organized by ETRA and ANAS, was supported by the EU-funded RE-PLAN CITY LIFE and LIFE SILENT projects.

In 2024, Sunshine Coast Council launched a demonstration project to test the use of off-the-road (OTR) tyre-derived crumb rubber in road construction and repairs. Now, 12 months on, the results are in—and they reveal a promising future for this innovative material. The project not only confirmed that crumb rubber from OTR tyres can replace traditional crumb rubber in bitumen blends and asphalt mixes, but also provided valuable technical data on performance, constructability, and durability.

Michigan has halted the long-standing practice of burning scrap tires for energy, following a 2023 change in state law that removed tire-derived fuel from the list of renewable energy sources. The decision, coupled with the decline of biomass power plants, has left recyclers and policymakers searching for alternative ways to manage the state’s 10 million discarded tires annually.

A significant highway upgrade in Australia is set to boost road infrastructure while promoting sustainability through the use of end-of-life tyres (EOLT) in construction. The Australian government has announced a large-scale upgrade to the Bruce Highway, a major transport route connecting Brisbane to Cairns.

Launched in May 2022, the PERSEUS project focuses on creating innovative asphalt mixtures to reduce road traffic noise while incorporating recycled tire materials. The project, funded by CDTI, is led by CAMPEZO with contributions from ASFALTIA, MOEVE, and SIGNUS, and support from TECNALIA.

Tennessee is seeing positive results from test strips of rubber modified asphalt (RMA) on roadways in Blount County. The 3.3 miles of road in the county paved with RMA last year are demonstrating greater longevity with reduced road noise and water splash back, in addition to diverting thousands of end-of-life tires from the waste stream.

The workshop "Rubberised asphalt between myths and reality. How to overcome the obstacles", organized under the LIFE RE-PLAN CITY LIFE and LIFE SILENT projects, aims to raise awareness about the use of Recycled Tyre Materials (RTMs) in transport infrastructure, urban planning, and sports facilities. These projects focus on promoting circular economy practices and improving the sustainability of road construction while addressing environmental and economic challenges.