Great Britain A and B road numbering scheme
E352098
The Great Britain A and B road numbering scheme is the system used in Great Britain to classify and assign numbers to major (A) and minor (B) roads based on their importance and geographic zones.
All labels observed (4)
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
road numbering system
ⓘ
transport infrastructure classification scheme ⓘ |
| appliesTo | Great Britain ⓘ |
| basedOn |
geographic zones
ⓘ
road importance ⓘ |
| classifies |
A-roads
ⓘ
surface form:
A roads
B roads ⓘ |
| country | United Kingdom ⓘ |
| defines | road number zones ⓘ |
| definesNumberFormat |
one-digit A roads for major radials
ⓘ
three- and four-digit B roads for minor routes ⓘ two- and three-digit A roads for other primary routes ⓘ |
| distinguishesBy | letter prefix ⓘ |
| excludes | Northern Ireland ⓘ |
| governingBody |
Department for Transport
ⓘ
Ministry of Transport (historical) ⓘ |
| hasZone |
1-zone
ⓘ
2-zone ⓘ 3-zone ⓘ 4-zone ⓘ 5-zone ⓘ 6-zone ⓘ 7-zone ⓘ 8-zone ⓘ 9-zone ⓘ |
| influencedBy | London-centric radial layout ⓘ |
| introduced | 1920s ⓘ |
| primaryClass | A road ⓘ |
| purpose |
to aid navigation and mapping
ⓘ
to provide a systematic numbering of major roads ⓘ |
| relatedTo | Great Britain motorway numbering scheme ⓘ |
| secondaryClass | B road ⓘ |
| usedBy |
Ordnance Survey
ⓘ
surface form:
Ordnance Survey maps
road atlases in Great Britain ⓘ |
| usedIn |
England
ⓘ
Scotland ⓘ Wales ⓘ |
| usesPrefix |
A
ⓘ
B ⓘ |
| zoneBoundaryRoad |
A1
ⓘ
A2 ⓘ A3 ⓘ A4 ⓘ A5 ⓘ A6 ⓘ A7 ⓘ A8 ⓘ A9 ⓘ |
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Great Britain A-road numbering scheme
this entity surface form:
Great Britain road numbering scheme
this entity surface form:
Great Britain A-road numbering scheme
this entity surface form:
A-class road numbering system in Great Britain