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A3
🟢 A-road

A3 Traffic News

A3 Trunk Road · London (Guildford Street) → Portsmouth
Clear ⏱ Updated 08:50

A3 traffic at 08:50 on Thursday 15 October: 3 closures tonight.

🚨 0 incidents 🚧 0 roadworks · 5 soon
70 miles long
Regions: London, South East
Home › Traffic › Roads › A3

🚨 Live A3 Incidents & Roadworks

Updates every 5 min
Share A3 status: 💬 📘 X
No live incidents on the A3 right now — checking National Highways every 5 minutes, 24/7. Closures are listed below.

🌙 A3 closures tonight and the next 3 days 5

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

  • Full closure
    Southbound A3 southbound Hogs Back between the slips carriageway closure
    Tonight · 21:00–06:00
  • Full closure
    Southbound A3 southbound Milford to Hazel Grove carriageway closure
    Tonight · 21:00–06:00
  • Full closure
    Northbound A3 northbound Sheet between the slips carriageway closure
    Tonight · 21:00–06:00
  • Full closure
    Southbound A3 southbound Thursley to Liphook carriageway closure
    Sat 17 Oct · 21:00–06:00
  • Partial closure
    Northbound A3 northbound Liphook Services closure
    Tonight · 21:00–06:00
All A3 roadworks & diversions →
📢
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💥 Crash⚠️ Hazard⛔ Closure🐌 Queue
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🗺️ A3 Traffic Map — Where It's Happening

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

📈 A3 Journey Pulse — when incidents actually happen

Early picture — 43 incidents recorded on the A3 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 1 2.3%
02:00–03:00 0 0%
03:00–04:00 1 2.3%
04:00–05:00 0 0%
05:00–06:00 3 7%
06:00–07:00 1 2.3%
07:00–08:00 3 7%
08:00–09:00 1 2.3%
09:00–10:00 0 0%
10:00–11:00 3 7%
11:00–12:00 2 4.7%
12:00–13:00 0 0%
13:00–14:00 2 4.7%
14:00–15:00 4 9.3%
15:00–16:00 2 4.7%
16:00–17:00 1 2.3%
17:00–18:00 ◀ peak 4 9.3%
18:00–19:00 ◀ peak 6 14%
19:00–20:00 ◀ peak 5 11.6%
20:00–21:00 1 2.3%
21:00–22:00 2 4.7%
22:00–23:00 1 2.3%
23:00–00:00 0 0%
Measured from 43 incidents recorded by this site since February 2026 (planned roadworks excluded). Recomputed nightly from our incident archive.

📍 Heading to… off the A3

The places people drive to most, the A3 junction for each, and live A3 incidents nearby at 08:50.

Heritage

Brooklands Museum

Weybridge, Surrey
🛣️ Via the A3
✅ No A3 incidents reported within 3 miles

Motoring museum on the old Brooklands track, next to Mercedes-Benz World

Attraction

RHS Garden Wisley

Wisley, Woking, Surrey
🛣️ Via the A3
✅ No A3 incidents reported within 3 miles

About 1.26 million visitors in 2025; reached from the A3 near M25 J10

Racecourse

Sandown Park Racecourse

Esher, Surrey
🛣️ Via the A3
✅ No A3 incidents reported within 3 miles

Hosts the Eclipse Stakes; main car park just off the A307 Portsmouth Road

⚠️ Most Dangerous A3 Junctions

Based on DfT STATS19 police collision records. The A3 has 2,696 recorded collisions at 14 collision hotspots, involving 3,299 casualties (19 fatal). Take extra care here. Ranked by fatal, then serious collisions, then casualties - not by the number of collisions alone.

#1
nr Sutton
162 collisions · 206 casualties · 5 fatal · 36 serious
Severe Blackspot
#2
nr Guildford
175 collisions · 260 casualties · 4 fatal · 43 serious
Severe Blackspot
#3
nr London
1,372 collisions · 1,506 casualties · 3 fatal · 299 serious
Severe Blackspot
#4
nr M25
217 collisions · 327 casualties · 3 fatal · 28 serious
Severe Blackspot
#5
nr Liphook
45 collisions · 58 casualties · 2 fatal · 10 serious
Severe Blackspot
#6
nr Petersfield
82 collisions · 108 casualties · 1 fatal · 21 serious
Severe Blackspot
🔍 See the full A3 collision blackspot map →

🛒 Journey Essentials

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❓ A3 Traffic — Frequently Asked Questions

Is the A3 closed today?

Any A3 closure appears in the live feed above within minutes of National Highways reporting it, including tonight's overnight roadworks closures.

Is there traffic on the A3 today?

The live feed above shows every incident, delay, roadwork and overnight closure on the A3, updated every 5 minutes, 24 hours a day, from National Highways.

What is the worst time to use the A3?

The A3 is typically busiest during morning rush hour (07:00–09:30) and evening rush hour (16:30–19:30) on weekdays.

Are there roadworks on the A3 right now?

Roadworks and overnight closures on the A3 are listed above and at /traffic/a3/roadworks/, taken from the National Highways daily closure report.

What roads connect to the A3?

The A3 connects to: M25, A3(M), A272.

Is there an accident on the A3 northbound or southbound today?

Each side has its own live page: the A3 northbound and the A3 southbound 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.

📊 A3 Status Summary

0
Active incidents
0
Severe/serious
0
Roadworks
08:50
Last updated
🆘 Broken down on the A3?
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ℹ️ A3 Road Details

Length
70 miles
From
London (Guildford Street)
To
Portsmouth
Type
A-road
AM Rush
07:00–09:30
PM Rush
16:30–19:30

📍 Key A3 Locations

London Guildford Godalming Petersfield Portsmouth

🛣️ A3 Services & Motorway Stops

No services directly on the A3. Browse all services →

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 A3

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🚛 Car recovery along the A3

Broken down on the A3? Pick the nearest town and call a local firm direct:

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.