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 name during 1965. Chorleywood station was formerly served by steam hauled Metropolitan line trains from Aylesbury to London, with a changeover to an electric locomotive at Rickmansworth. The electrification north of Rickmansworth (to Amersham and Chesham) was completed in 1960, with steam trains being withdrawn in 1961. From the early 1960s to 2012, Metropolitan line trains at Chorleywood were formed of London Underground A60 Stock (and the almost identical A62 Stock), but were replaced by London Underground S8 stock. Chiltern Railways (Aylesbury-Marylebone) trains are formed by Class 165 diesel multiple units. Between October 2004 and December 2011 almost all southbound