A31 road
| A31 | ||||
|---|---|---|---|---|
A31 Road at St. Leonards, Dorset, England | ||||
| Route information | ||||
| Length | 72.6 mi (116.8 km) | |||
| Northeast segment | ||||
| Length | 36.6 mi (58.9 km) | |||
| Northeast end | A322 in Guildford | |||
| Major intersections | A3 near Guildford A331 near Tongham A33 in Winchester | |||
| Southwest end | M3 in Winchester | |||
| Southwest | ||||
| Length | 36.0 mi (57.9 km) | |||
| Northeast end | A36 near Netley Marsh | |||
| Major intersections | M27 in Cadnam A338 in Ringwood A348 in West Moors A350 near Sturminster Marshall | |||
| Southwest end | A35 in Bere Regis | |||
| Location | ||||
| Country | United Kingdom | |||
| Counties | Surrey, Hampshire, Dorset | |||
| Primary destinations | Winchester Farnham Ringwood | |||
| Road network | ||||
| ||||
The A31 is a major trunk road in southern England that runs from Guildford in Surrey to Bere Regis in Dorset. Its best-known section is the Hog's Back, a ridge forming part of the North Downs between Guildford and Farnham in Surrey.