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M1 J8 traffic

No incidents reported at M1 J8 right now.

Updated 03:28 UK time · at J8 and the stretches either side

View on the live map All M1 traffic

Right now

Nothing reported at M1 J8 at the moment.

Roadworks now

Southbound J9–J8until 05:00Closed
Northbound J8–J9until 05:001 of 5 lanes closedM1 northbound Jct 8 to Jct 9 lane 4 closure (MP 38/2 to 42/2)

Closures tonight

Southbound J9–J821:00–05:00Closed

Planned closures: next 7 days

Tuesday 3 November

Southbound J9–J821:00–05:00Closed

Wednesday 4 November

Southbound J820:00–06:00Roundabout closedA414 both directions Breakspear to Park Street Roundabout - carriageway closure
Southbound J9–J821:00–05:00Closed

The last 90 days

Incidents

66

Collisions

20

Road closed

3times

Typical time to clear

1 h 42 minmedian of 60

Busiest time

14:00–15:00

Recent incidents

M1 crash J8–J9 northboundyesterday 06:00 · cleared after 3 h 31 min
M1 crash J8–J9 northboundSun 14:35 · cleared after 3 h 58 min
M1 crash J10 southboundFri 10:50 · cleared after 7 h 50 min
M1 stopped traffic J9–J8 southboundThu 20:58 · cleared after 2 h 29 min
M1 crash J8–J9 northboundThu 13:11 · cleared after 7 h 15 min
M1 crash J8 southboundWed 23:55 · cleared after 12 h 1 min
M1 crash J8 southboundWed 20:20 · cleared after 2 h 1 min
M1 crash J8–J9 northboundWed 15:55 · cleared after 1 h 27 min
M1 crash J6 southbound26 Oct 2026 09:58 · cleared after 10 h 36 min
M1 crash J9–J825 Oct 2026 12:48 · cleared after 32 min
M1 crash J6–J6A northbound24 Oct 2026 15:32 · cleared after 3 h 58 min
M1 stopped traffic J9–J8 southbound23 Oct 2026 13:57 · cleared after 6 h 25 min
M1 stopped traffic J11–J1023 Oct 2026 06:33 · cleared after 2 h 45 min
M1 stopped traffic J8 southbound21 Oct 2026 16:55 · cleared after 3 h 28 min
M1 crash J8–J9 northbound20 Oct 2026 14:48 · cleared after 4 h 54 min

Junctions either side

Every M1 junction

Common questions

Is the M1 closed at junction 8 right now?

For roadworks: closed southbound J9–J8 until 05:00.

Is M1 J8 closed tonight?

National Highways has 1 closure planned here tonight: southbound J9–J8 closed 21:00–05:00.

How many crashes have there been at M1 J8?

20 collisions reported at or either side of J8 in the last 90 days, the latest on 2 Nov 2026 at 06:00.

Includes incidents at J8 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.