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Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 37 minutes. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 12m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 1h 47m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 2h 22m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 2h 57m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 3h 37m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 4h 17m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 4h 57m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 5h 32m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 6h 7m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 6h 42m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 7h 22m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 7h 57m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 8h 32m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 9h 7m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 9h 47m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 10h 27m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 11h 2m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 11h 37m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 12h 17m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 12h 52m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 13h 27m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 14h 2m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 14h 37m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 15h 17m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 15h 57m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 16h 32m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 17h 7m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 17h 42m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 18h 17m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 18h 57m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 19h 32m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 20h 7m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 28h 27m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 29h 2m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 29h 37m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 30h 37m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
⏱ Still active — no changes from National Highways. Incident ongoing for 31h 27m. Delays of 10 minutes still recorded. Monitoring continues.
Location : The M4 westbound between junctions J1 and J2 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 9 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Wording as published by National Highways, recorded as it changed.
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