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1920s South Buckinghamshire Renumbering

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In the 1920s, what was (before the 1935 Road numbering revision) rare happened several times - diverting A and B roads (rather than extending them, or creating new ones) without any road construction, plus reusing a road number, occurred with some frequency in South Buckinghamshire (and a small part of Middlesex).

Contents

1922 road routings

  1. A332: Bagshot - Uxbridge
  2. A412: St Albans - Denham
  3. A4007: Link in Uxbridge
  4. B471: Iver Heath - Denham
  5. B472: Slough - Chalfont St Peter
  6. B473: Slough - Amersham

1923 OS MOT map of the area

What happened

The A332 was diverted from Uxbridge to Chalfont St Peter, along the B472. The former A332 was renumbered as an extension of the A4007. The B471 was upgraded to A412, ending on the A4007.

At the same time the B473 was diverted north of Beaconsfield, from Amersham to Hazlemere along a previously unclassified road. The former part of the B473 became a new B472.

1926 road routings

  1. A332: Bagshot - Chalfont St Peter
  2. A412: St Albans - Iver Heath
  3. A4007: Uxbridge - Slough
  4. B471: vacant
  5. B472: Beaconsfield - Amersham
  6. B473: Slough - Hazelemere

1926 OS MOT map of the area

What happened next ('35 and beyond)

In 1935, the B473 reverted to heading to Amersham, with the route to Hazelemere becoming B474 (the old B474, a link north of Slough becoming a spur of the B473). The A412 was extended to Slough along the A4007. Years later, after the motorway network was built, the B473 would become part of the A355, and the A332 north of Slough would be downgraded to be part of the B416.

OS Seventh Series map of the area, from the 50s.



1920s South Buckinghamshire Renumbering
RoadsB472 (Beaconsfield - Amersham)
Historical Information
1922 Road Lists Class IZone 1 • Zone 2 • Zone 3 • Zone 4 • Zone 5 • Zone 6 • Zone 7 • Zone 8 • Zone 9 • Northern Ireland
1922 Road Lists Class IIZone 1 • Zone 2 • Zone 3 • Zone 4 • Zone 5 • Zone 6 • Zone 7 • Zone 8 • Zone 9 • Northern Ireland
1935 Road numbering revisionZone 1 • Zone 2 • Zone 3 • Zone 4 • Zone 5 • Zone 6 • Zone 7 • Zone 8 • Zone 9
Mass renumbering schemes1922 Draft Road Lists • 1924 A1 Renumbering • 1920s South Buckinghamshire Renumbering • 1933 A30 Renumbering • 1933 Scotland Renumbering Proposals • 1934 A82 Renumbering • Tyneside Renumberings • Motorway linked Renumberings • Republic of Ireland T and L roads
Network Changes1700-1799 • 1800-1899 • 1900-1909 • 1910-1919 • 1920-1929 • 1930-1939 • 1940-1949 • 1950-1959 • 1960-1969 • 1970-1979 • 1980-1989 • 1990-1999 • 2000-2009 • 2010-2019