A423 road

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A423 shield

A423
Route information
Length: 22.4 mi (36.0 km)
Major junctions
South end: Banbury
  A361 A361 road
A422 A422 road
A425 A425 road
A426 A426 road
A445 A445 road
A45 A45 road
North end: Near Coventry
Road network

The A423 road is a primary A road in England in two sections. The main section leads from central Banbury to the A45 near Coventry. It starts in Banbury town centre as Southam Road and goes through the Southam Road Industrial Estate, then just north of Banbury it crosses over the M40, from there it passes close to several Warwickshire villages until it becomes part of the Southam by-pass, it then goes through Long Itchington and Marton before merging with the A45 near Ryton.

The other section of the A423 is part of the Oxford Ring Road between the A34 Hinksey Hill interchange and the A4142/A4074 Heyford Hill roundabout, a distance of 1.4 miles (2.3 km)

History[edit]

Its original route when first classified in 1922 was from Tamworth in Staffordshire to Oxford.[1] In the 1930s the route was extended from Oxford to the A4 near Maidenhead in Berkshire, over parts of the former routes of the A42 and A415. A curious feature of the route was a 3-mile (4.8 km) gap between Benson, Oxfordshire and a point 1.2 miles (1.9 km) north west of Nuffield, which resulted from the construction of RAF Benson across the line of the road. The detour though Crowmarsh Gifford was designated the B479 and A4130 rather than A423.

The last section of the Oxford Ring Road was completed in 1965, and the A423 was rerouted away from the centre of Oxford to form part of the ring road. From 1971 to 1990 the A423 joined the then A423(M) motorway at Maidenhead Thicket.[2]

On the completion of the M42 motorway in the early 1980s, the phase of the A423 between Tamworth and Coventry was downgraded to become a B-road.

The final downgrading came in 1990 when the M40 motorway between Oxford and Birmingham was completed. The remainder of the route south of Banbury was renumbered to become parts of the A4260, A4074 and A4130, except for the part of the Oxford Ring Road between the A34 Hinksey Hill interchange and the A4142/A4074 Heyford Hill roundabout. On this stretch of road, heading eastbound, drivers will notice the "distance sign showing the name A423 and the destinations that the former A423 route would have passed through. This can be seen on the following Google StreetView image - here

References[edit]

Coordinates: 52°13′25″N 1°23′16″W / 52.22363°N 1.3878°W / 52.22363; -1.3878