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M1 J23 traffic

No incidents reported at M1 J23 right now.

Updated 03:28 UK time · at J23 and the stretches either side

View on the live map All M1 traffic

Right now

Nothing reported at M1 J23 at the moment.

Roadworks now

Southbound J23A–J23until 06:002 of 4 lanes closedLane 2,3 closure southbound
Southbound J23A–J23until 06:002 of 4 lanes closedLane 2,3 closure southbound

Closures tonight

No closures planned at J23 tonight.

Planned closures: next 7 days

Friday 6 November

Northbound J2320:00–06:00Entry slip road closed

The last 90 days

Incidents

44

Collisions

12

Road closed

4times

Typical time to clear

54 minmedian of 37

Busiest time

14:00–15:00

Recent incidents

M1 crash J22–J23 northboundyesterday 14:46 · cleared after 47 min
M1 crash J23A northboundSat 12:46 · cleared after 53 min
M1 stopped traffic J23 northboundSat 10:46 · cleared after 1 h 5 min
M1 stopped traffic J25–J24A southboundFri 12:07 · cleared after 4 h 47 min
M1 crash J22–J23 northbound22 Oct 2026 16:38 · cleared after 2 h 21 min
M1 crash J23–J23A northbound20 Oct 2026 17:02 · cleared after 1 h 12 min
M1 reported crash J22–J23 northbound20 Oct 2026 08:01 · cleared after 43 min
M1 crash J22–J23 northbound16 Oct 2026 18:22 · cleared after 3 h 2 min
M1 crash J22–J21A northbound16 Oct 2026 14:30 · cleared after 3 h 36 min
M1 crash J23–J22 southbound9 Oct 2026 16:32 · cleared after 1 h 7 min
M1 closed J23 northbound4 Oct 2026 15:29 · cleared after 1 h 26 min
M1 closed J23 southbound4 Oct 2026 15:29 · cleared after 1 h 12 min
M1 crash J22–J23 northbound2 Oct 2026 12:50 · cleared after 1 h 53 min
M1 crash J23A northbound29 Sept 2026 08:10 · cleared after 337 h 17 min
M1 crash J22–J23 northbound25 Sept 2026 14:19 · cleared after 13 h 29 min

Junctions either side

Every M1 junction

Common questions

Is the M1 closed at junction 23 right now?

No incidents have closed it right now.

Is M1 J23 closed tonight?

No closures are planned at J23 tonight. 1 is planned over the next 7 days (listed above).

How many crashes have there been at M1 J23?

12 collisions reported at or either side of J23 in the last 90 days, the latest on 2 Nov 2026 at 14:46.

Includes incidents at J23 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.