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|North end:||London (Purley)Coordinates:|
| M25 motorway
The A22 is one of the two-digit major roads in the south east of England. It carries traffic from London to Eastbourne on the East Sussex coast. For part of its route the A22 utilises the turnpikes opened in the 18th century:
- 1718: London to East Grinstead opened
- 1720: road extended through East Grinstead to Highgate Forest Row, the entrance to Ashdown Forest
The A22 diverges from the A23 south of London at Purley Cross Junction (south of Purley). It runs over the North Downs into Surrey, crossing the M25 London Orbital Motorway just north of Godstone. This section includes the Caterham bypass, one of the oldest such roads in the country with the very early Wapses Lodge roundabout at the northern end, and then travels along the route of an ancient Roman road.
To the south of the M25, the road briefly enters West Sussex at Felbridge, just to the north of East Grinstead, and the A264 between Crawley and Tunbridge Wells merges with the A22 for a short section. The A22 bypasses East Grinstead town centre, running along a disused railway cutting, part of a line which closed as a consequence of the Beeching Report, which cut large numbers of local rail services. Richard Beeching was a local resident, and as a result, some local residents wanted to call this section the "Beeching Cut".
To the south of East Grinstead the A22 crosses into East Sussex, just north of Forest Row. Between Forest Row and Nutley the road crosses the ancient Ashdown Forest. The A22 is the only road through the forest not subject to 40mph speed limits. The A275 branches south to Lewes at the Wych Cross junction. Both the A272 and the A26 cross the A22 between Nutley and Uckfield. The A26 merges with the A22 for the section round Uckfield. There are bypasses of East Hoathly and Hailsham. There is a junction with the A27, to the north of the end of the A22, in Eastbourne.
The A22 in Eastbourne.
The Caterham Bypass
A22 northbound towards Hailsham, East Sussex