Chorleywood the Local Government Act 1894 created districts as subdivisions of the newly created county councils, Chorleywood became part of the Watford Rural District, which encircled Watford. In 1913, the town was separated from Watford Rural District to become Chorleywood Urban District. In the early 1960s, researchers at the British Baking Industries Research Association in Chorleywood improved upon an earlier American bread-making process. This resulted in the Chorleywood Bread Process which is now used in over 80% of commercial bread production throughout the UK. In the 1973 BBC Television documentary, "Metro-land", Sir John Betjeman described Chorleywood as "essential Metro-land". In 1974,
Chorleywood station consists of: The evening peak service in trains per hour (tph) presently consists of: Chiltern Railways operate services between Aylesbury Vale Parkway via Amersham and Aylesbury and London Marylebone via Harrow on the Hill. All Chiltern Railway services run non stop between Rickmansworth and Harrow on the Hill and Harrow on the Hill and London Marylebone. The off-peak service in trains per hour (tph) presently consists of: Chorleywood station Chorleywood is a London Underground and National Rail station in Travelcard Zone 7 (previously zone B) on the Metropolitan line. The town of Chorleywood is located in the Three Rivers district