CASE STUDY: Advancing Low‑Carbon Procurement with the CO₂ Performance Ladder on the M4/N4 Pavement Renewal Scheme

Following the successful pilot of the CO₂ Performance Ladder on the M7 Kildare Bypass project, Transport Infrastructure Ireland (TII) has expanded the use of the Ladder as a core low‑carbon procurement tool. Building on this momentum, TII is now implementing the Ladder across all High-Speed Pavement Rehabilitation call‑offs.

The M4/N4 Pavement Renewal Scheme highlights the significant carbon savings achievable through the Ladder, not only as a Green Public Procurement (GPP) tool but also as a structured dialogue enabler. By facilitating collaboration between client and contractor, the Ladder supports behavioural changes and encourages material innovations that substantially reduce a project’s overall carbon footprint.