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Original author(s) SK Morgan
Developer(s) Buchanan Computing Ltd
Initial release 1984
Stable release
2.6 / January 2011
Operating system Windows
Available in English, Welsh
Type Traffic sign design
License Proprietary

SignPlot is a software application for the design of UK traffic signs and their supports and foundations, developed and sold by Buchanan Computing.[1]


Initially created in the early 1980s as a university project by Simon Morgan, SignPlot 3 has undergone several updates.[2] The program is designed to automate almost all the layout and spacing rules of the Traffic Signs Regulations and General Directions,[3] Traffic Signs Manual Chapter 7,[4] and drawings issued by the Welsh Assembly Government for bilingual signing.

See also[edit]


  1. ^ "Buchanan Computing - home". Retrieved 16 April 2017. 
  2. ^ "Buchanan Computing - News stories". Retrieved 16 April 2017. 
  3. ^ "The Traffic Signs Regulations and General Directions 2002". Retrieved 16 April 2017. 
  4. ^ "Traffic signs manual - GOV.UK". Retrieved 16 April 2017. 

External links[edit]