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Route information and related roads
Road details
About the M20
Approximate length50.6 miles
RouteLondon – Folkestone
Western endSwanley, M25
Eastern endFolkestone
Major areasMaidstone, Ashford, Channel Tunnel, Folkestone
Key connectionsM25, M26, A20
Connecting roads
M20 planned closures and diversions
M20 services
Motorway services guide →Selected service areas from operator listings. Check the operator for current facilities, access and opening times.
How busy is the M20?
2025 annual average128,314vehicles a day
J5 to J6 · Kent
12,555 HGVs a day · 9.8% of traffic
Busiest published count location · both directionsM20 route and junction details
Selected junctions and connections. Check signs for permitted movements and current access.
- Connects M26
- M26 eastbound → M20 eastbound
- M20 westbound → M26 westbound
- Connects A20, A2034
M20 traffic questions
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Where can I find M20 services?
The services section above lists service areas on the M20.
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