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M4 Moderate Cleared

M4 J8 westbound exit | Westbound | Congestion

28 Jun 2026, 15:05 Westbound 29 views

Incident Details

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

M4
Moderate
Cleared
15:05, 28 Jun 2026

📜 Incident timeline

· First report

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 40 minutes. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 15m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 50m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 30m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 10m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 45m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 20m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 55m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 5h 30m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 5m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 45m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 20m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 55m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 35m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 15m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 50m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 25m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 0m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 40m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 15m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 55m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 30m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 5m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 40m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 15m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 50m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 25m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 5m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 20m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 55m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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 35m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 20h 15m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 20h 50m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

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

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 22h 0m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 22h 35m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 23h 10m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 23h 45m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The M4 westbound exit slip at junction J8 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 15:00 and 15:15 on 28 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

M4 — M4 J8 westbound exit | Westbound | Congestion Full details 👉 https://uktrafficupdates.uk/traffic/incidents/26187154-m4-j8-westbound-exit-westbound-congestion/

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