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A3(M)
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A3(M) Southbound Traffic

A3(M) Motorway · Southbound carriageway — live updates every 5 minutes, 24/7
A3(M) SOUTHBOUND TRAFFIC NOW
A3(M) SOUTHBOUNDNO REPORTED INCIDENTSCHECKED EVERY 5 MIN · 24/7
National Highways data, UK TIME
Clear ⏱ Updated 15:18

A3(M) southbound traffic at 15:18 on Tuesday 3 November: no major incidents reported — live National Highways updates every 5 minutes, 24/7.

↑ A3(M) northbound traffic ⤴ All A3(M) traffic — both directions
🚨 0 incidents 🚧 0 roadworks
🔍
7 miles long
Junctions J1–J5
Regions: South East
Home › Traffic › Roads › A3(M) › Southbound

🚨 A3(M) Southbound traffic now: live incidents & roadworks

Updates every 5 min
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No live incidents on the A3(M) right now — checking National Highways every 5 minutes, 24/7.

Is the A3(M) southbound closed? Quick answers

Checked 15:18 on Tuesday 3 November 2026.

Is the A3(M) southbound closed right now?

No. There is no full closure on the A3(M) southbound at 15:18.

Is there an incident on the A3(M) southbound right now?

No. No incidents are reported on the A3(M) southbound at 15:18.

Is the A3(M) southbound closed tonight?

No. No closures are planned on the A3(M) southbound tonight (Tue 3 Nov, 18:00 to 06:00).

Tonight: A3(M) closures and diversions ›

Is the A3(M) southbound closed this weekend?

No full closures. The A3(M) southbound stays open this weekend (Fri 6 Nov 18:00 to Mon 9 Nov 06:00). 2 lane or slip road closures are planned: A3M southbound Jct 2 exit slip road closure, Fri 21:00 to 06:00; and A3M southbound Jct 2 entry slip road closure, Fri 21:00 to 06:00.

This weekend: A3(M) closures and diversions ›

Is there an accident on the A3(M) southbound today?

No. No collision has been reported on the A3(M) southbound since midnight.

A3(M) 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 A3(M) southbound traffic

This page tracks live A3(M) traffic southbound only — every incident, closure and roadworks National Highways publish for the southbound 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 A3(M) northbound traffic. The full A3(M) traffic page covers both directions, with the live map, junction-by-junction status, the latest A3(M) videos and tonight's A3(M) roadworks.

❓ A3(M) Southbound Traffic — Frequently Asked Questions

Is the A3(M) southbound closed today?

No — as of 15:18 National Highways list no full closure on the A3(M) southbound. Live updates every 5 minutes.

Are there any accidents on the A3(M) southbound today?

None reported at 15:18 — the live board above updates every 5 minutes, 24 hours a day.

Is there an incident on the A3(M) southbound right now?

No incidents reported at 15:18 — no police incidents, obstructions, breakdowns or collisions on the A3(M) southbound. The live board above updates every 5 minutes, 24 hours a day.

Why is the A3(M) slow southbound today?

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

Are there roadworks on the A3(M) southbound tonight?

None scheduled as of 15:18. 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 A3(M) traffic southbound?

Right here — this page is live A3(M) traffic for the southbound carriageway, updated every 5 minutes from National Highways, 24 hours a day. The full A3(M) page covers both directions with the live map and junction-by-junction status.

Which part of the A3(M) does this page cover?

The whole southbound carriageway, end to end — the A3(M) runs between Horndean and Havant (A27). The northbound side has its own page.

🧭 More A3(M) coverage

A3(M) traffic — both directions A3(M) northbound traffic A3(M) roadworks tonight

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