MT 39/241

CLASSIFICATION: Numbering system

Date range	1921-1949
Location	National Archives (see all files stored here)
Catalogue	See entry
File base	Series MT, subseries MT 39

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Context

Road numbering was a new and exciting subject in the early 1920s which required a great deal of discussion and preparation, and this file contains the majority of what went on at the Ministry of Transport as they set about creating a classification scheme.

Plans and diagrams from this file are now located at MFQ 1/708.

Contents of note

• Correspondence with M. Michelin, circa 1921, relating to his proposals for a road numbering system in the UK. He suggested zones, each lettered, within which major roads would get a capital prefix and minor roads would get a lower-case suffix (eg. F52 and 52f).
• One of the very few numbering errors was the B1217, originally numbered B6379 despite starting on the A1 and heading east.

Related files

MFQ 1/708 17 items extracted from MT 39/241. Drawn by the Ministry of Transport to illustrate the new numbering of A-class roads (1921-1923)

MT 38/18 Classification of roads and numbering (1913)

People with camera copies

Chris Marshall has a partial copy, including all diagrams and selected correspondence.