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A303
🟢 A-road

A303 Traffic News

A303 Trunk Road · Basingstoke (A30) → Honiton (A30)
Road Closed ⏱ Updated 00:48

A303 traffic at 00:48 on Tuesday 20 October: road closed both directions until 06:00.

A303 traffic now: accidents & incidents by direction at 00:48
→ A303 eastbound traffic⛔ Closed until 06:00 ← A303 westbound traffic⛔ Closed until 06:00
🚨 0 incidents 🚧 2 roadworks · 3 soon
🔍
95 miles long
Regions: South East, South West
Home › Traffic › Roads › A303

🚨 Live A303 Incidents & Roadworks

Updates every 5 min
🛑 ROAD CLOSED
A303 both directions Longbarrow to Countess carriageway closure
Both directions · Closed until 06:00 9 hours
Diversion: Diversion eastbound via Countess Road, The Packway, B3086, A360
A303 both directions Eagle Tavern(La Campagna) to Southfields roundabout carriageway closure (229/9 to 223/1)
Both directions · Closed until 06:00 9 hours
Diversion: diversion via - A358, Old A30 and rejoin A303 at Upottery. Eastbound diversion via - As above in reverse.
All A303 closures & diversions →
Share A303 status: 💬 📘 X
No live incidents on the A303 right now — checking National Highways every 5 minutes, 24/7. Closures are listed below.

🌙 A303 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 Hundred Acre exit slip road closure
    Tonight · 21:00–06:00
  • Partial closure
    Eastbound A303 eastbound Micheldever exit slip road closure
    Tomorrow night · 21:00–06:00
  • Partial closure
    Eastbound A303 eastbound Micheldever entry slip road closure
    Tomorrow night · 21:00–06:00
All A303 roadworks & diversions →

Is the A303 closed? Quick answers

Checked 00:48 on Tuesday 20 October 2026.

Is the A303 closed right now?

Yes. The A303 is closed now for planned work: both directions Longbarrow to Countess carriageway closure, until 06:00.

Is the A303 closed tonight?

Yes. The A303 has 2 full closures planned tonight (Mon 19 Oct, 18:00 to 06:00): both directions Longbarrow to Countess carriageway closure, 21:00 to 06:00; and both directions Eagle Tavern(La Campagna) to Southfields roundabout carriageway closure (229/9 to 223/1), 21:00 to 06:00. Diversion: Diversion eastbound via Countess Road, The Packway, B3086, A360.

Tonight: A303 closures and diversions ›

Is the A303 closed this weekend?

No full closures. The A303 stays open this weekend (Fri 23 Oct 18:00 to Mon 26 Oct 06:00). 3 lane or slip road closures are planned: westbound Hundred Acre exit slip road closure, Fri 21:00 to 06:00; and westbound Thruxton Village entry slip road closure, Sun 21:00 to 06:00 and 1 more.

This weekend: A303 closures and diversions ›

Is there an accident on the A303 today?

No. No collision has been reported on the A303 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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🗺️ A303 Traffic Map — Where It's Happening

Tap a pin for full incident detail. Live positions from National Highways.

📈 A303 Journey Pulse — when incidents actually happen

Early picture — 36 incidents recorded on the A303 since February 2026. The pattern below firms up as the archive grows.

View as table
HourIncidentsShare
00:00–01:00 0 0%
01:00–02:00 2 5.6%
02:00–03:00 0 0%
03:00–04:00 0 0%
04:00–05:00 0 0%
05:00–06:00 1 2.8%
06:00–07:00 0 0%
07:00–08:00 2 5.6%
08:00–09:00 2 5.6%
09:00–10:00 1 2.8%
10:00–11:00 0 0%
11:00–12:00 2 5.6%
12:00–13:00 1 2.8%
13:00–14:00 ◀ peak 4 11.1%
14:00–15:00 ◀ peak 5 13.9%
15:00–16:00 ◀ peak 4 11.1%
16:00–17:00 1 2.8%
17:00–18:00 2 5.6%
18:00–19:00 2 5.6%
19:00–20:00 4 11.1%
20:00–21:00 0 0%
21:00–22:00 3 8.3%
22:00–23:00 0 0%
23:00–00:00 0 0%
Measured from 36 incidents recorded by this site since February 2026 (planned roadworks excluded). Recomputed nightly from our incident archive.

📍 Heading to… off the A303

The places people drive to most, the A303 junction for each, and live A303 incidents nearby at 00:48.

Heritage

Stonehenge

Amesbury, Wiltshire
🛣️ Via the A303
✅ No A303 incidents reported within 3 miles

World-famous stone circle beside the A303 west of Amesbury

🧭 Directions Wiltshire traffic

⚠️ Most Dangerous A303 Junctions

Based on DfT STATS19 police collision records. The A303 has 619 recorded collisions at 23 collision hotspots, involving 948 casualties (29 fatal). Take extra care here. Ranked by fatal, then serious collisions, then casualties - not by the number of collisions alone.

#1
nr A37
33 collisions · 45 casualties · 4 fatal · 2 serious
Severe Blackspot
#2
nr A343
63 collisions · 87 casualties · 3 fatal · 13 serious
Severe Blackspot
#3
nr Thruxton
32 collisions · 44 casualties · 3 fatal · 12 serious
Severe Blackspot
#4
nr A358
29 collisions · 42 casualties · 3 fatal · 3 serious
Severe Blackspot
#5
nr B3089
45 collisions · 74 casualties · 2 fatal · 11 serious
Severe Blackspot
#6
nr A345
28 collisions · 43 casualties · 2 fatal · 5 serious
Severe Blackspot
🔍 See the full A303 collision blackspot map →

🛒 Journey Essentials

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❓ A303 Traffic — Frequently Asked Questions

Is the A303 closed today?

Yes — the A303 is closed right now: A303 both directions Longbarrow to Countess carriageway closure, until 06:00.

Is there traffic on the A303 today?

The A303 is closed right now: A303 both directions Longbarrow to Countess carriageway closure, until 06:00. Check the live feed above for every closure on the route.

What is the worst time to use the A303?

The A303 is typically busiest during morning rush hour (07:30–09:30) and evening rush hour (16:30–19:30) on weekdays.

Are there roadworks on the A303 right now?

There are currently 2 active roadwork schemes on the A303. Check the live feed above for exact locations and durations.

What roads connect to the A303?

The A303 connects to: M3, A30, A350, A358.

Is there an accident on the A303 eastbound or westbound today?

Each side has its own live page: the A303 eastbound and the A303 westbound each list every accident, breakdown, closure and roadworks on that carriageway, updated every 5 minutes, 24 hours a day, from National Highways. The panel at the top of this page shows both sides at a glance.

📊 A303 Status Summary

0
Active incidents
0
Severe/serious
2
Roadworks
00:48
Last updated
🆘 Broken down on the A303?
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ℹ️ A303 Road Details

Length
95 miles
From
Basingstoke (A30)
To
Honiton (A30)
Type
A-road
AM Rush
07:30–09:30
PM Rush
16:30–19:30

📍 Key A303 Locations

Andover Stonehenge Wincanton Ilminster Honiton

🔗 Roads Connecting to the A303

M3 M3 trafficM3 Motorway Live → A30 A30 trafficA30 Trunk Road Live →

🛣️ A303 Services & Motorway Stops

No services directly on the A303. Browse all services →

🔗 Related Tools

🛣️My Commute — save your route NEW 🚧A303 Roadworks View → 🕵️Was I Affected? Check → 🔄Route Checker Plan → 📋Incident Archive Browse → 🗺️Live Map View →

📱 Follow A303 Updates

Daily A303 incidents, posted across all four channels.

🎵 TikTok 35,000+ › ▶️ YouTube 2,000+ › 📸 Instagram 1,500+ › 📢Report an incident›

Junction

DfT STATS19 police collision records

0
Collisions
0
Fatal
0
Serious
0
Slight
🔍 Full blackspot map →
Beat the jam

Know before you go on A303

Set it up once. We'll tell you what's happening while you can still turn off.

🛣️ Save your commuteWe watch your route for you NEW 🔔 Early-warning alertsA heads-up before you set off ✈️ Telegram alertsFree · one tap to join 🎵 Daily on TikTok35,000+ followers

🚛 Car recovery along the A303

Broken down on the A303? Send one free request and local firms are told.

On a motorway? If you can, get onto the hard shoulder or into an emergency area, leave by the left-hand doors and wait behind the barrier. Stuck in a live lane: stay in the car with your seatbelt on and hazard lights on, and call 999.

🆘 Send one free requestAll breakdown services