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M1 Moderate Cleared

M1 J21 southbound exit | Southbound | Congestion

15 Jun 2026, 12:03 Southbound 20 views

Incident Details

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

M1
Moderate
Cleared
12:03, 15 Jun 2026

📜 Incident timeline

· First report

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 37 minutes. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 1h 12m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 1h 47m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 2h 27m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 3h 2m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 3h 42m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 4h 22m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 4h 57m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 6h 32m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

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

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 7h 47m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 8h 27m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 9h 7m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 9h 47m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

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

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 11h 2m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 11h 42m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 12h 17m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 12h 52m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 13h 32m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 14h 7m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 14h 47m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 15h 27m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

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

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 16h 37m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 17h 12m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 17h 47m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 18h 22m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 18h 57m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 19h 32m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M1 southbound exit slip at junction J21 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 15 June 2026.
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 J21 southbound exit | Southbound | Congestion Full details 👉 https://uktrafficupdates.uk/traffic/incidents/26098561-m1-j21-southbound-exit-southbound-congestion/

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