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Westway is a long elevated dual carriageway section of the A40 trunk road in west London running from Paddington to North Kensington. The road was constructed between 1964 and 1970 to relieve congestion at Shepherd's Bush caused by traffic from Western Avenue struggling to enter central London on roads of insufficient capacity. Westway opened in July 1970 as the A40(M) motorway but lost motorway status in 2000 when responsibility for trunk roads in Greater London was transferred from the Highways Agency to the Greater London Authority. The Mayor of London, Boris Johnson, announced in March 2013 that over the coming years, parts of the Westway would be reconstructed to allow a separated cycleway to be built on it. The space required would be provided by reducing vehicle capacity. ==Route== At its eastern end, Westway starts to the west of the ''Marylebone Flyover'' (A501), which takes traffic over the junction of Edgware Road (A5) and Marylebone Road (A501). Between the elevated Westway and the flyover, a short (100 m) section of surface-level road allows westbound traffic from the flyover to turn-off on to the Harrow Road (A404) or eastbound traffic from the Harrow Road to access the flyover. Eastbound traffic from Westway cannot exit here to reach the Edgware Road and continues on to the flyover. Heading west, Westway rises sharply as it passes Paddington Green (at this point having two lanes in each direction), then crosses the Grand Union Canal branch to Paddington Basin just south of Little Venice. As the road passes Westbourne Green on the north and Royal Oak Underground Station on the south, it gains a lane as a steeply climbing slip-road from Gloucester Terrace joins. In the eastbound direction, a lane is lost as a slip-road descends to cross the Network Rail tracks to Paddington station via the large plate-girder Westbourne Bridge, a road that previously carried traffic from Harrow Road to Bishops Bridge Road but was blocked at the north end and appropriated for the Westway scheme. Continuing westward, Westway runs parallel with the Great Western Main Line railway for about before turning south-west at Westbourne Park and crossing the railway to run immediately adjacent to London Underground's Hammersmith & City line for as far as Ladbroke Grove station, after which it returns to a more east-west alignment for the to the elevated roundabout junction with the West Cross Route (A3220) and flyover that takes vehicles high above the roundabout and Wood Lane (A219) to return to ground level and connect to the end of Western Avenue. With the extension westward of the London Congestion Charge Zone between 19 February 2007 and 4 January 2011, the part of the road between Westbourne Park and the Westway roundabout that passed through the zone was designated as a "free through route" that allowed vehicles to cross the zone without paying the charge. 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「Westway, London」の詳細全文を読む スポンサード リンク
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