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Roadworks on M1—Planned and active works
Closures / restrictions—Current reports
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SouthboundCheckingLive M1 records
Live dataCheckingNational Highways NTIS
M1 traffic now
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Route information and related roads
Road details
About the M1
Approximate length193.5 miles
RouteLondon – Leeds
Southern endStaples Corner, London
Northern endHook Moor, A1(M)
Major areasLondon, Luton, Milton Keynes, Northampton, Leicester, Nottingham, Sheffield, Leeds
Key connectionsM25, M45, M6, M69, M18, M62, M621, A1(M)
Connecting roads
M1 planned closures and diversions
M1 services
Motorway services guide →Selected service areas from operator listings. Check the operator for current facilities, access and opening times.
How busy is the M1?
2025 annual average162,446vehicles a day
J9 to local authority boundary · Hertfordshire
19,151 HGVs a day · 11.8% of traffic
Busiest published count location · both directionsM1 route and junction details
Selected junctions and connections. Check signs for permitted movements and current access.
Chiswell Interchange
- Connects M25
- Connects M69
- M69 northbound → M1 southbound
- Connects A42
- M1 northbound → A42
- Connects A453
- M1 southbound → A453
- Connects M18
- Connects M45
- M1 northbound → M45 westbound
- M45 eastbound → M1 southbound
Lofthouse Interchange
- Connects M62
- M1 northbound → M62
- M62 → M1 southbound
- Connects M621
- M1 northbound → M621 towards Leeds
Hook Moor
- Connects A1(M)
- M1 northbound → A1(M) northbound
M1 traffic questions
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Where can I find M1 services?
The services section above lists service areas on the M1.
Where are the delays on the M1?
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