The British Transport Police is a specialist, national police force, responsible for the policing the railways. It is one of the oldest police services in Britain and can trace its history back to 1825, the origins of the police service in Britain.
British Transport Police is responsible for the whole of the national rail network, the London Underground, the Glasgow Underground, Eurostar and a number of local light railway and tramlink services. It is divided into seven geographical areas and polices over 10,000 miles of track and 3,000 railway stations and depots.
The Special Constabulary is a team of part-time police officers who work alongside the paid members of the force. There are currently around 250 special constables serving in BTP along with 2,750 regular officers.