The Office of Rail Regulation is the independent safety and economic regulator for Britain's railways.

Services relating to railways

“Services relating to railways” are defined in section 67(3ZA) of the Railways Act 1993 as:
“(a) railway services;
(b) the provision or maintenance of rolling stock;
(c) the development, maintenance or renewal of a network, station or light maintenance depot; and
(d) the development, provision or maintenance of information systems designed wholly or mainly for facilitating the provision of railway services.”