HOLCIM UK, working in partnership with National Highways, have completed one of the first demonstration schemes aligned to the new E21 Stone Mastic Asphalt (SMA) specification. The M5 J28–30 project marks a significant milestone in the UK’s transition to more durable, lower-emission road infrastructure. Developed through National Highways’ Low Carbon Demonstration Fund, the scheme showcases how collaboration between Holcim UK and their supply chain partners can accelerate innovation from concept to carriageway.
As part of this demonstration, a section of the E21 SMA incorporated graphene, further enhancing the mechanical strength, fatigue resistance, and long-term durability of the surface, and exploring advanced materials that can extend pavement life, reduce maintenance cycles, and support lower-carbon road construction.
HOLCIM UK, working in partnership with National Highways, have completed one of the first demonstration schemes aligned to the new E21 Stone Mastic Asphalt (SMA) specification. The M5 J28–30 project marks a significant milestone in the UK’s transition to more durable, lower-emission road infrastructure. Developed through National Highways’ Low Carbon Demonstration Fund, the scheme showcases how collaboration between Holcim UK and their supply chain partners can accelerate innovation from concept to carriageway.As part of this demonstration, a section of the E21 SMA incorporated graphene, further enhancing the mechanical strength, fatigue resistance, and long-term durability of the surface, and exploring advanced materials that can extend pavement life, reduce maintenance cycles, and support lower-carbon road construction.
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