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The A31 is a major trunk road in southern England that runs from Guildford in Surrey to Bere Regis in Dorset. ==Route of road== The road begins in the centre of Guildford, meeting the A3 before running dualled WSW along the Hog's Back escarpment of the North Downs. It continues past Farnham, Alton and Alresford before joining the route of the M3 motorway at its junction on the eastern boundary of Winchester. The old route to Winchester's centre then Romsey and the New Forest forms two roads: the B3404 and A3090 roads and is marked for cyclists. The west branch of the M27 motorway - M3 interchange has a flyover junction with the winding westbound A3090 on the western boundary of Cadnam, having passed through the conservation area village centre, from where the resumed A31 continues as a dualled trunk road through the rest of the New Forest, past Ringwood and enters Dorset just before it passes Ferndown where it resumes single carriageway width. It passes Wimborne Minster and by-passes Charborough Park before terminating at a roundabout junction with the A35 road at Bere Regis. The A35 is not a trunk road east of Bere Regis, but is a continuation of the A31 trunk road to the west, thus the Highways Agency maintain it. The A31 is part of the ancient route from London to Winchester. The A31 between Wimborne Minster and Bere Regis, most of its Dorset stretch is primarily a single-carriageway road, used by heavy goods vehicles, and as such is relatively slow for a trunk road during busy times of the day. However the River Stour is one of the most flood-prone rivers alongside in the region and a widened road would accelerate drainage and disrupt views of the valley from Areas of Outstanding Beauty on the escarpments to the north. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「A31 road」の詳細全文を読む スポンサード リンク
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