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A303 Moderate Cleared

A303 westbound between A350 and B3095 | Westbound | Congestion

18 Jun 2026, 19:31 Westbound 33 views

Incident Details

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

A303
Moderate
Cleared
19:31, 18 Jun 2026

📜 Incident timeline

· First report

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.

· Update

⏱ Still active — no changes from National Highways. Incident ongoing for 33 minutes. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 8m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 43m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 18m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 53m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 28m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 3m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 38m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 13m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 48m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 23m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 58m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 38m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 13m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 48m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 28m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 3m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 38m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 13m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 53m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 29m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 3m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 38m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 13m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 48m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 23m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 58m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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 33m. Delays of 10 minutes still recorded. Monitoring continues.

· Update

Location : The A303 westbound between the junctions with the A350 and the A371 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:30 and 19:45 on 18 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

A303 — A303 westbound between A350 and B3095 | Westbound | Congestion Full details 👉 https://uktrafficupdates.uk/traffic/incidents/26122131-a303-westbound-between-a350-and-b3095-westbound-congestion/

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