Thames Valley Police, formerly known as Thames Valley Constabulary, is the territorial police force responsible for policing the Thames Valley and the other areas covered by the English counties of Berkshire, Buckinghamshire and Oxfordshire. It is one of the largest territorial police forces in England covering 2,200 square miles (5,700 km2) and a population of over 2.1 million people. The police force consists of 4,244 constables, 506 special constables, 466 Police Community Support Officers (PCSO) and 2,576 police staff.
Cheshire Constabulary is the territorial police force responsible for policing the English unitary authorities of Cheshire East, Cheshire West and Chester, Halton and Warrington. The force is responsible for policing an area of 946 square miles (2,450 km2) with a population of roughly 1 million.
Cambridgeshire Constabulary is the local territorial police force that covers the territory of the counties of Cambridgeshire and Peterborough. It provides law enforcement and security for an area of just under 3400 km² and population of nearly a million people in a predominantly rural county. The force of Cambridgeshire includes the cities of Cambridge, Ely and Peterborough, the market towns of St Ives, Huntingdon and St Neots, and the historic Fenland towns of Ramsey, Chatteris, Wisbech, Whittlesey and March. The constabulary's logo is a crowned Brunswick star with two wavy blue lines representing the two major rivers that flow the area, the Cam and the Nene.
Norfolk Constabulary is the territorial police force responsible for the county of Norfolk in England. In March 2016, the force had a strength of 1,515 constables, 915 police staff, 251 special constables and 171 PCSOs
Leicestershire Police is the territorial police force responsible for policing Leicestershire and Rutland in England. Its headquarters are at Enderby, Leicestershire.
Durham Constabulary is the territorial police force responsible for policing County Durham and Darlington in North East England.
Hampshire Constabulary is the territorial police force responsible for policing the counties of Hampshire and the Isle of Wight in South East England.
Nottinghamshire Police is the territorial police force responsible for policing the shire county of Nottinghamshire and the unitary authority of Nottingham in the East Midlands of England. The area has a population of just over 1 million.
Reading Borough Police was a police force for the borough of Reading in the United Kingdom. The force was created on 21 February 1836, at which time it had a strength of 30 constables, two sergeants and two inspectors. Towards the end of the 19th century, Reading Borough Police had increased in size to 62 officers. However, the local population had risen to around 60,500, which meant one officer for every 1,000 inhabitants. By the time of the First World War the force had an establishment of 113 officers, however, due to military service only 30 officers were patrolling Reading.
The Mid-Anglia Constabulary was the territorial police force responsible for law enforcement in the East of England, from 1965 to 1974. It was created from the amalgamation of five forces. It was renamed Cambridgeshire Constabulary in 1974.
The Police Act 1964 was an Act of the Parliament of the United Kingdom that updated the legislation governing police forces in England and Wales, constituted new police authorities, gave the Home Secretary new powers to supervise local constabularies, and allowed for the amalgamation of existing forces into more efficient units.
Berkshire Constabulary is a former Home Office police force which was responsible for policing the county of Berkshire in Southern England. Berkshire Constabulary was merged with four other adjacent police forces in 1968 to form the Thames Valley Constabulary, later known as Thames Valley Police.
Northumberland Constabulary was the Home Office police force for the county of Northumberland, England, from 1969 until 1974.
Herefordshire Constabulary was the Home Office police force for the county of Herefordshire, England, until 1967. The headquarters were at Brockington House, Hafod Road, Hereford.
Oxfordshire Constabulary was the Home Office police force for the county of Oxfordshire, England, excluding the city of Oxford itself, from 1857 until 1968.
Cornwall County Constabulary was the Home Office police force for the county of Cornwall, England, until 1967.
Glamorgan Constabulary, or Glamorganshire Constabulary, was the Home Office police force for the county of Glamorgan, Wales.
The Liberty of Peterborough Constabulary was the territorial police force responsible for law enforcement surrounding 'The Soke of Peterborough', England, from 1856 to 1947. It was initially controlled by the Chief Constable of Northamptonshire Captain Henry Lambert Bayly 1857 - 1876. The constabulary had a newly built headquarters on Thorpe Road in Peterborough that still stands today. The building is known as both the Old Gaol and Sessions House.
Oxford City Police was the police force of the City of Oxford, England. It policed the city from 1 January 1869 until 31 March 1968.
The East Riding of Yorkshire Constabulary was the territorial police force for policing the East Riding of Yorkshire from 1856 to 1968.
