A429 road

"A429" redirects here. For avionics data bus, see ARINC 429.

A429 road shield

A429 road

The A429 near Northleach, Gloucestershire
Route information
Length: 66.6 mi[1][2] (107.2 km)
Major junctions
South end: Chippenham
51°30′59″N 2°07′18″W / 51.5163°N 2.1217°W / 51.5163; -2.1217
  [[Image:Motorway Left.svg|[ |x30px|link=]] M4 motorway
A350 A350 road
A433 A433 road
A419 A419 road
A435 A435 road
A417 A417 road
A40 A40 road
A436 A436 road
A424 A424 road
A44 A44 road
A3400 A3400 road
A422 A422 road
A46 A46 road
[[Image:Motorway Left.svg|[ |x30px|link=]] M40 motorway
A4189 A4189 road
A425 A425 road
A445 A445 road
A452 A452 road
A45 A45 road
A4053 A4053 road
North end: Coventry
52°24′12″N 1°30′50″W / 52.4034°N 1.5139°W / 52.4034; -1.5139
Road network

The A429 is a main road in England that runs in a north-northeasterly direction from junction 17 of the M4 motorway (4 miles (6.4 km) north of Chippenham in Wiltshire) to Coventry in the West Midlands.


For much of its length, the A429 follows the route of the Roman Fosse Way. It links the M4 in Wiltshire to Coventry in the West Midlands, by way of Malmesbury (bypassed), Crudwell, Cirencester, Stow-on-the-Wold, Moreton-in-Marsh, east of Stratford-upon-Avon, Warwick, and Kenilworth.


When first designated in 1922. the A429 ran from Chippenham to Warwick.[3] In the 1970s the route was extended from Warwick to Coventry on the old route of the A46. In the 1990s the dual carriageway between Chippenham and the M4 motorway became part of the extended A350.

Heading northeast, the road meets the Fosse Way near the southwestern outskirts of Cirencester. Until circa 1937 this junction was some 2.6 miles (4.2 km) further south, near Jackaments Bottom; when RAF Kemble (now Cotswold Airport) was built, the A429 was diverted south of the airfield to follow an upgraded existing road through Kemble village, and the section of the A429 north of the airfield became a continuation of the A433.[4]

The road breaks at the A46 junction north of Warwick and resumes some 3 miles (4.8 km) further north at a junction with the A452, in the north of Kenilworth. The section between Warwick and Kenilworth was declassified shortly after the opening of the A46 Kenilworth Bypass to encourage traffic to use the A452 or A46 instead.

See also


  1. "Directions to A429". Google. Retrieved 11 April 2013.
  2. "Directions to 1 New St, Kenilworth". Google. Retrieved 11 April 2013.
  3. 1922 road list Archived 1 April 2009 at the Wayback Machine.
  4. Baggs, A.P.; Freeman, Jane; Stvenson, Janet H (eds.). "Victoria County History - Wiltshire - Vol 14 pp51-65 - Parishes: Crudwell". British History Online. University of London. Retrieved 23 May 2016.

Coordinates: 52°01′16″N 1°41′11″W / 52.02099°N 1.6864°W / 52.02099; -1.6864

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