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M1 Severe Cleared

M1 northbound between J23 and J23A | Northbound | Congestion

26 May 2026, 19:19 Northbound 66 views

Incident Details

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

M1
Severe
Cleared
19:19, 26 May 2026

📜 Incident timeline

· First report

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 31 minutes. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 1h 6m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 1h 41m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 2h 16m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 2h 51m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 3h 26m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 4h 1m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 4h 36m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 5h 16m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 5h 51m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 6h 26m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 7h 1m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 7h 36m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 8h 11m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 8h 51m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 9h 26m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 10h 1m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 10h 36m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 11h 16m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 11h 51m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 12h 31m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 13h 6m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 13h 41m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 14h 16m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 14h 51m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 15h 26m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 16h 6m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 16h 41m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 17h 16m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 17h 51m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 18h 26m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 19h 1m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 19h 36m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 20h 11m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 20h 46m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 24h 46m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 25h 21m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 25h 56m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 26h 31m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 27h 6m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 30h 16m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 30h 51m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 31h 26m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 32h 31m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 33h 6m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 33h 41m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 34h 16m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 34h 51m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 35h 26m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 northbound between junctions J23 and J23A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 26 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 10 minutes against expected traffic.

Wording as published by National Highways, recorded as it changed.

📢 Share This Incident

M1 — M1 northbound between J23 and J23A | Northbound | Congestion Full details 👉 https://uktrafficupdates.uk/traffic/incidents/25967868-m1-northbound-between-j23-and-j23a-northbound-congestion/

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