National Public Transport Gazetteer
The National Public Transport Gazetteer (NPTG) provides a topographic database
A database is an organized collection of data for one or more purposes, usually in digital form. The data are typically organized to model relevant aspects of reality , in a way that supports processes requiring this information...

 of town
A town is a human settlement larger than a village but smaller than a city. The size a settlement must be in order to be called a "town" varies considerably in different parts of the world, so that, for example, many American "small towns" seem to British people to be no more than villages, while...

s and settlements in the UK
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

; it provides a common frame of reference for the National Public Transport Access Nodes (NaPTAN
The National Public Transport Access Node database is a UK nationwide system for uniquely identifying all the points of access to public transport in the UK...

) schema and other UK Public Transport Information schemas such as JourneyWeb
JourneyWeb is an XML protocol to allow distributed journey planning engines to communicate in order to provide multimodal journeys spanning different regions....

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