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A303
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A303 Westbound Traffic

A303 Trunk Road · Westbound carriageway — live updates every 5 minutes, 24/7
A303 WESTBOUND TRAFFIC NOW
A303 WESTBOUNDNO REPORTED INCIDENTSCHECKED EVERY 5 MIN · 24/7
National Highways data, UK TIME
Clear ⏱ Updated 14:18

A303 westbound traffic at 14:18 on Tuesday 3 November: no major incidents reported — live National Highways updates every 5 minutes, 24/7.

→ A303 eastbound traffic ⤴ All A303 traffic — both directions
🚨 0 incidents 🚧 0 roadworks · 3 soon
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95 miles long
Regions: South East, South West
Home › Traffic › Roads › A303 › Westbound

🚨 A303 Westbound traffic now: live incidents & roadworks

Updates every 5 min
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No live incidents on the A303 right now — checking National Highways every 5 minutes, 24/7. Closures are listed below.

🌙 A303 westbound closures tonight and the next 3 days 3

From National Highways' closure report, in their words. Times can change - check before you set off.

  • Partial closure
    Westbound A303 westbound Salisbury Road entry slip road closure
    Tonight · 21:00–06:00
  • Partial closure
    Westbound A303 westbound Deptford exit slip road closure
    Tonight · 21:00–06:00
    Diversion: Diversion via A350, A303
  • Partial closure
    Northbound A303 eastbound Deptford entry slip road from A36 northbound closed
    Tomorrow night · 21:00–06:00
    Diversion: Diversion via A350, A303
All A303 roadworks & diversions →

Is the A303 westbound closed? Quick answers

Checked 14:18 on Tuesday 3 November 2026.

Is the A303 westbound closed right now?

No. There is no full closure on the A303 westbound at 14:18.

Is there an incident on the A303 westbound right now?

No. No incidents are reported on the A303 westbound at 14:18.

Is the A303 westbound closed tonight?

No full closures. The A303 westbound stays open tonight (Tue 3 Nov, 18:00 to 06:00). 2 lane or slip road closures are planned: westbound Salisbury Road entry slip road closure, 21:00 to 06:00; and westbound Deptford exit slip road closure, 21:00 to 06:00.

Tonight: A303 closures and diversions ›

Is the A303 westbound closed this weekend?

No full closures. The A303 westbound stays open this weekend (Fri 6 Nov 18:00 to Mon 9 Nov 06:00). 2 lane or slip road closures are planned: eastbound Deptford entry slip road from A36 northbound closed, Sun 21:00 to 06:00; and westbound Deptford exit slip road closure, Sun 21:00 to 06:00.

This weekend: A303 closures and diversions ›

Is there an accident on the A303 westbound today?

No. No collision has been reported on the A303 westbound since midnight.

A303 accidents today and yesterday ›

Answers use official data only: the National Highways live incident feed and their planned closure report. Times can change, so check before you set off.

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ℹ️ About A303 westbound traffic

This page tracks live A303 traffic westbound only — every incident, closure and roadworks National Highways publish for the westbound carriageway, updated every 5 minutes, 24 hours a day. Anything they list without naming a direction is shown here too, so nothing is missed.

Heading the other way? See A303 eastbound traffic. The full A303 traffic page covers both directions, with the live map, junction-by-junction status, the latest A303 videos and tonight's A303 roadworks.

❓ A303 Westbound Traffic — Frequently Asked Questions

Is the A303 westbound closed today?

No — as of 14:18 National Highways list no full closure on the A303 westbound. Live updates every 5 minutes.

Are there any accidents on the A303 westbound today?

None reported at 14:18 — the live board above updates every 5 minutes, 24 hours a day.

Is there an incident on the A303 westbound right now?

No incidents reported at 14:18 — no police incidents, obstructions, breakdowns or collisions on the A303 westbound. The live board above updates every 5 minutes, 24 hours a day.

Why is the A303 slow westbound today?

Nothing is listed right now — when the board above is clear, slow westbound traffic is usually rush-hour volume (07:00–09:00 and 16:30–18:30 on weekdays).

Are there roadworks on the A303 westbound tonight?

None scheduled as of 14:18. Overnight closures usually run from around 21:00–22:00 to 06:00 — this page lists them the moment National Highways publish them.

Where can I check live A303 traffic westbound?

Right here — this page is live A303 traffic for the westbound carriageway, updated every 5 minutes from National Highways, 24 hours a day. The full A303 page covers both directions with the live map and junction-by-junction status.

Which part of the A303 does this page cover?

The whole westbound carriageway, end to end — the A303 runs between Basingstoke (A30) and Honiton (A30). The eastbound side has its own page.

🧭 More A303 coverage

A303 traffic — both directions A303 eastbound traffic A303 roadworks tonight

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