Rail Safety and Standards Board

The Rail Safety and Standards Board (RSSB) is a British independent company limited by guarantee. Interested parties include various rail industry organisations, including Network Rail, train operating companies (TOCs), and rolling stock companies (ROSCOs). The RSSB operates as a not-for-profit entity, its primary purpose being to bring about improved health and safety performance throughout Britain's railway network.

In the fulfilment of this purpose, the Board undertakes numerous safety-focused monitoring and continuous improvement programmes, such as the railway supplier quality assurance scheme RISQS and the Confidential Incident Reporting & Analysis System (CIRAS). It is also works with operators to identify and address risks, and is responsible for the updating and issuing of the British Railway Rule Book, amongst its other activities. The majority of Britain's train operators are obliged to be members of the RSSB, and to ensure compliance with their membership obligations across all of their operations. During the 2010s, the RSSB was restructured in order to better fulfil its purpose.