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Live from National Highways

A3(M) roadworks and closures

Closures tonight, this weekend and the next two weeks, plus the works running now on the A3(M), straight from National Highways.

Home › Traffic › Roads › A3(M) › Roadworks & closures

Is the A3(M) closed? Quick answers

Checked 13:58 on Tuesday 3 November 2026.

Is the A3(M) closed tonight?

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

Tonight's A3(M) closures ›

Is the A3(M) closed this weekend?

No full closures. The A3(M) 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's A3(M) closures ›

Are there roadworks on the A3(M) right now?

No. Nothing is running on the A3(M) at 13:58.

Works running now ›

From National Highways' closure report and live feed. Full closure means the carriageway is shut; lane and slip road closures leave it open. Times can change, so check before you set off.

A3(M) closures tonightTue 3 Nov, 18:00 to 06:00

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

A3(M) closures this weekendFri 6 Nov 18:00 to Mon 9 Nov 06:00

No full closures. The A3(M) 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.

  • Slip road closureSouthboundFri 6 Nov, 21:00 to 06:00
    A3M southbound Jct 2 exit slip road closure
    Overall Scheme Details: A3M southbound Jct 2 - slip road and lane closure for maintenance work.
  • Slip road closureSouthboundFri 6 Nov, 21:00 to 06:00
    A3M southbound Jct 2 entry slip road closure
    Overall Scheme Details: A3M southbound Jct 2 - slip road and lane closure for maintenance work.

A3(M) roadworks running now

✅ No roadworks on the A3(M) right now

Nothing is running on the A3(M) at 13:58. Planned closures are listed by night on this page.

A3(M) live traffic →

A3(M) closures in the next 2 weeksOther nights, as far ahead as National Highways have published (to Mon 9 Nov)

Thursday 5 Nov night · 2 closures

  • Slip road closureNorthbound21:00 to 06:00
    A3M northbound Jct 3 exit slip road closure
    Overall Scheme Details: A3M both directions Jct 3 - slip road and lane closures for maintenance work.
  • Slip road closureNorthbound21:00 to 06:00
    A3M northbound Jct 3 entry slip road closure
    Overall Scheme Details: A3M both directions Jct 3 - slip road and lane closures for maintenance work.

❓ A3(M) roadworks — Frequently Asked Questions

Are there roadworks on the A3(M) right now?

No roadworks are currently running on the A3(M) according to National Highways.

Is the A3(M) closed tonight?

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

Is the A3(M) closed this weekend?

No full closures. The A3(M) 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.

When are A3(M) roadworks usually carried out?

Most National Highways lane closures on the A3(M) run overnight and are lifted before the morning peak (07:00–09:00). Full carriageway closures are usually weekend nights, with a signed diversion.

🛣️ Data from National Highways · All UK roadworks · Overnight closures · A3(M) live traffic
Roadworks change at short notice. Always follow signs and signals on the road.

🚗 A3(M) pages

A3(M) live traffic →

A3(M) Motorway · 7 miles. Live incidents, junction status and collision history.

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Broken down on the A3(M)? 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.