Rail Accident Investigation Branch - The RAIB (administratively part of the DfT) is the independent railway accident investigation organisation for the UK. Investigation reports, information leaflets, consultation documents. - http://www.raib.gov.uk/home/index.cfm
Department of Transport - Railways Directorate - Government department charged with overseeing the railway industry. Provides details of projects, legislation, rail safety issues and news. - http://www.dft.gov.uk/pgr/rail/
Passenger Focus - Independent public body set up by the Government to protect the interests of Britain's rail passengers. Provides details about the body and its work, together with advice and information for passengers. - http://www.passengerfocus.org.uk/
Rail Industry Dispute Resolution - RIDR is a body administering alternative dispute resolution processes in the GB rail industry. Site outlines the arrangements and costs. - http://www.ridr.co.uk/
Heath and Safety Executive - Rail safety - The HSE's Railway Inspectorate oversees health and safety regulation of the railways. Investigation reports and many other documents. - http://www.hse.gov.uk/railways/index.htm
Office of the PPP Arbiter - Regulates the London Underground PPP infrastructure agreements. Consultations, policy statements, research reports. - http://www.ppparbiter.org.uk/
Office of Rail Regulation - The ORR is the economic regulator for the railway industry in Great Britain. Consultation and decision papers, speeches and a public register. - http://www.rail-reg.gov.uk/
BRB [Residuary] Ltd - Looks after the residual responsibilities and liabilities of the former British Railway Board. - http://www.brb.gov.uk/