Benchmarking supports performance measurement and continuous improvement in managing and reducing carbon across infrastructure projects under PAS 2080.

Tunnel projects tend to be large in scale and complexity, especially in growing cities, and this requires a considerable amount of carbon-intensive materials such as cement and steel. To reach net zero by 2050, benchmarking provides a starting point from which to assess how tunnel projects measure against current design and construction practices.

This Q&A considers steps required for impactful benchmarking and how to effectively share results.