T0546 Collaborative Research 2023-2025

The asPECT tool has become established as the method for producers to carbon footprint asphalt mixtures that are used on the SRN and beyond. asPECT was last updated in 2020, having originally been developed in 2009. As the net zero agenda has gathered pace in recent years, demand for a tool such as asPECT has increased, in order to provide mixture-specific carbon footprints for individual schemes, which often incorporate innovations that are specifically aimed at reducing carbon emissions, such as lower-temperature mixtures, high recycled contents and bitumen with novel additives. Furthermor…