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A3

A3 Traffic News

A3 Trunk Road · London (Guildford Street) → Portsmouth

A3 traffic at 15:59 on Monday 12 October: 2 closures tonight.

↑ A3 northbound traffic ↓ A3 southbound traffic
🔍
🟢 A-road Clear 🚨 0 incidents 🚧 2 roadworks · 11 soon ⏱ Updated 15:59
70 miles long
Regions: London, South East
Home › Traffic › Roads › A3

🚨 Live A3 Incidents & Roadworks

Auto-refresh 3 min
🟢 Clear on the A3 📍 0 incidents · 🚧 2 roadworks
Share A3 status: 💬 📘 X
Closure
A3 southbound Hogs Back between the slips carriageway closure
from 21:00
Tonight
Closure
A3 southbound Milford to Hazel Grove carriageway closure
from 21:00
Tonight
📢
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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 — 41 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 2.4%
02:00–03:00 0 0%
03:00–04:00 1 2.4%
04:00–05:00 0 0%
05:00–06:00 3 7.3%
06:00–07:00 1 2.4%
07:00–08:00 3 7.3%
08:00–09:00 1 2.4%
09:00–10:00 0 0%
10:00–11:00 3 7.3%
11:00–12:00 2 4.9%
12:00–13:00 0 0%
13:00–14:00 1 2.4%
14:00–15:00 4 9.8%
15:00–16:00 2 4.9%
16:00–17:00 1 2.4%
17:00–18:00 ◀ peak 4 9.8%
18:00–19:00 ◀ peak 6 14.6%
19:00–20:00 ◀ peak 5 12.2%
20:00–21:00 1 2.4%
21:00–22:00 1 2.4%
22:00–23:00 1 2.4%
23:00–00:00 0 0%
Measured from 41 incidents recorded by this site since February 2026 (planned roadworks excluded). Recomputed nightly from our incident archive.

⚠️ 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.

#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

Q: 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.

Q: 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 from National Highways.

Q: 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.

Q: Are there roadworks on the A3 right now?

There are currently 2 active roadwork schemes on the A3. Check the live feed above for exact locations and durations.

Q: What roads connect to the A3?

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

📊 A3 Status Summary

0
Active incidents
0
Severe/serious
2
Roadworks
15:59
Last updated
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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

🔗 Roads Connecting to the A3

M25 M25 trafficM25 London Orbital Motorway Live → A3(M) A3(M) trafficA3(M) Motorway Live →

🛣️ A3 Services & Motorway Stops

No services directly on the A3. Browse all services →

🔗 Related Tools

🛣️My Commute — save your route NEW 🚧A3 Roadworks View → 🕵️Was I Affected? Check → 🔄Route Checker Plan → 📋Incident Archive Browse → 🗺️Live Map View →

📱 Follow A3 Updates

Daily A3 incidents, posted across all four channels.

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Junction

DfT STATS19 police collision records

0
Collisions
0
Fatal
0
Serious
0
Slight
🔍 Full blackspot map →
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