Town centres are traditionally associated with shopping or retail. They are also the centre of communications with major public transport hubs such as train or bus stations. Public buildings including town halls, museums and libraries are often found in town centres.
National differences 
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In some areas of Canada—particularly large, urban areas—town centres refer to alternate commercial areas to the city's downtown. These centres are usually located within a large neighbourhood and characterized by medium-high density commercial and residential property.
Town centres historically consisted of a principal thoroughfare usually known as "High Street" or, Main Street in Ireland, ('Main Street America' being a loosely similar equivalent to town centre in USA) or a town square/ triangle etc. of a settlement where commercial activities took place such as markets.
In the mid-1990s the entry of many, mostly British multiples into the Republic of Ireland due to its rising economy, and the shared language and similar currencies etc. led to sensitivities expressed in the media (like The Irish Times) that Irish 'main streets' in cities and town centres would lose their character, and worse (due to geographical/historical shared history as a small nation beside a large, previously dominant neighbour) would become indiscernible from English ('boring') regional town/city 'high streets'.
Ten or so years later, in the cities and larger towns at least, much of this has come to pass (although, to an extent, only because both countries accommodate many of the same global chains). This Angloisation of town centres to the point where the term 'high street' is often employed: even though it makes much less sense in the main street Irish context.
United Kingdom 
The first example in the UK of a purposely planned commercial or town centre is Newcastle's Grainger Town in the 1840s.
As changes in shopping patterns occurred, town centres have been forced to adapt and meet those changes. Comprehensive redevelopment of many British town centres occurred in the 1960s and 1970s. This often resulted in development of larger store formats, often with modernist styles of architecture which significantly differed to their surroundings.
Other major changes included the development of indoor shopping malls in major towns and cities. Examples include the Arndale Centre in Manchester, the St. James Centre in Edinburgh and the Bullring Centre in Birmingham. These tended to be constructed in a Brutalist or Modernist fashion reflecting the architectural styles of the period.
During the Thatcher government of the 1980s, a change in planning policy allowed competing out-of-town shopping and leisure centres to be developed. Examples include the Metro Centre in Gateshead, the Merry Hill Centre in Dudley, and the Gyle Centre in Edinburgh. Developments of this type have, in a number of places, resulted in a decline in traditional town centres.
In Britain, in particular, the preponderance of chain stores using their own same corporate identity, livery and so on in all, or nearly all of their outlets has led to a lack of diversity in many towns and cities with the phrase clone town being coined.
Today, in the UK, there is a focus on the redevelopment of town centres and the creation of a greater mix of uses in the centres. Planning policy focus aims to maintain town centres as vibrant successful places, which are accessible to everyone by means other than the private car.
Many town centres have undergone major redevelopment, with environmental improvements and increased retail floorspace. Major town centre shopping malls, such as the Arndale Centre and the Bullring Centre, have also undergone major redevelopment to improve their image.
See also 
- "Scottish Planning Policy 8: Town Centres and Retailing". Scotland.gov.uk. 2006-07-26. Retrieved 2012-12-25.
- "Planning Policy Statement 6 - Planning for Town Centres". 2005. Archived from the original on 2007-02-05. Retrieved 2012-12-25.
||This article includes a list of references, but its sources remain unclear because it has insufficient inline citations. (November 2011)|
- Ayris, I (1997) A City of Palaces
- Cowling, D (1997) An Essay for Today- The Making of the Scottish New Towns 1946-1996
- Office of the Deputy Prime Minister (2005) PPS6- Planning for Town Centres
- Scottish Executive (2006) SPP8- Town Centres & Retailing