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M4 Severe Cleared

M4 eastbound between J17 and J16 | Eastbound | Congestion

11 May 2026, 11:09 Eastbound 56 views

Incident Details

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

M4
Severe
Cleared
11:09, 11 May 2026

📜 Incident timeline

· First report

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 36 minutes. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 1h 16m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 1h 56m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 2h 36m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 3h 11m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 3h 46m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 4h 26m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 5h 6m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 5h 41m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 6h 16m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 6h 51m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 7h 26m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 8h 1m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 8h 36m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 9h 11m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 9h 51m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 10h 26m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 11h 6m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 11h 41m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 12h 16m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 12h 51m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 13h 41m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 14h 16m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 14h 51m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 15h 26m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 16h 1m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 16h 36m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 17h 11m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 17h 46m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 18h 21m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 18h 56m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 19h 36m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 20h 11m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 20h 46m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 23h 11m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 23h 46m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 24h 21m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 24h 56m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 25h 31m. Delays of 30 minutes still recorded. Monitoring continues.

· Update

Location : The M4 eastbound between junctions J18 and J16 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:00 and 11:15 on 11 May 2026.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

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

📢 Share This Incident

M4 — M4 eastbound between J17 and J16 | Eastbound | Congestion Full details 👉 https://uktrafficupdates.uk/traffic/incidents/25866015-m4-eastbound-between-j17-and-j16-eastbound-congestion/

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