We regulate the rail industry's health and safety performance, we hold Network Rail and High Speed 1 (HS1) to account and we make sure that the rail industry is competitive and fair. We also monitor National Highways and we have economic regulatory functions in relation to railways in Northern Ireland and for the northern half of the Channel Tunnel, situated in the UK.
Rail regulation
We are the economic regulator for railway infrastructure (Network Rail, HS1 and the northern half of the Channel Tunnel, situated in the UK). We are the health and safety regulator for the rail industry as a whole – including mainline, metro, tramways and heritage railways across Britain; and the industry's consumer and competition authority.
Road monitoring
We are responsible for monitoring and enforcing the performance and efficiency of National Highways.
Sustainable development
Our role in relation to environment and sustainable development.