highways england：2021年英格兰高速公路效率报告（英文版）

The Government’s second Road Investment Strategy (RIS2) sets out the delivery and performance expectations for the second road period (RP2). Funding of £27.4 billion will enable us to continue to operate, maintain and improve England’s strategic road network (SRN) between 2020 and 2025. Our work will make a significant positive contribution to the millions of people using the SRN, and provide benefits to the communities and businesses who live and work alongside it. One of our key perfor