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Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 31 minutes. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 6m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 41m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 2h 16m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 2h 51m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 3h 26m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 4h 1m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 4h 36m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 5h 11m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 5h 46m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 6h 21m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 6h 56m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 7h 31m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 8h 11m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 8h 46m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 9h 21m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 9h 56m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 10h 31m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 11h 6m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 11h 41m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 12h 16m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 12h 51m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 13h 26m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 14h 1m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 14h 36m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 15h 11m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 15h 46m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 16h 21m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 16h 56m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 17h 36m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 18h 11m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 18h 46m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 19h 21m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 19h 56m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 20h 31m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 21h 6m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 21h 41m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 22h 21m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 26h 56m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 27h 31m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 28h 6m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 28h 41m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 29h 21m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 29h 56m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 30h 31m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 31h 6m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 31h 41m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 32h 16m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 32h 51m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 33h 31m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 34h 6m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 34h 41m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 35h 16m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 35h 51m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 36h 26m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 37h 1m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 37h 36m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
⏱ Still active — no changes from National Highways. Incident ongoing for 38h 11m. Monitoring continues.
Location : The M4 westbound entry slip at junction J20 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 22 June 2026.
Wording as published by National Highways, recorded as it changed.
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