M20 | ||||
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Route information | ||||
Part of ![]() | ||||
Maintained by Highways England | ||||
Length | 50.6 mi (81.4 km) | |||
Existed | 1971–present | |||
History | Opened: 1960 (as A20(M)) Renumbered: 1971 Completed: 1991 | |||
Major junctions | ||||
West end | Swanley | |||
![]() ![]() J1 → M25 motorway ![]() ![]() J3 → M26 motorway | ||||
East end | Folkestone | |||
Location | ||||
Country | United Kingdom | |||
Counties | Kent | |||
Primary destinations | London Maidstone Ashford Channel Tunnel Folkestone | |||
Road network | ||||
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The M20 is a motorway in Kent, England. It connects Folkestone and Dover to the M25 and London. The motorway is important because Dover and Folkestone are where you can use a ferry, or a train through the Channel Tunnel, to get to France.[1][2]