Moderate
Northbound 🛑 now
M3 northbound Jct 9 entry slip road closure
Overall Scheme Details: M3 and A34 both directions Jct 9.
Narrow lanes and 24/7 lane closure for major improvement work.
✅ until 06:00 Mon 1 Nov
Severe
Eastbound Starting soon
The M3 eastbound exit slip at junction J9
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 1 October 2026
Severe
Eastbound Starting soon
The M3 eastbound between junctions J10 and J9
🔨 Roadworks
🚦 1 of 4 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 3 October 2026
Severe
Westbound Starting soon
The M3 westbound between junctions J8 and J9
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 25 September 2026
Severe
Westbound Starting soon
The M3 westbound between junctions J9 and J10
🔨 Roadworks
🚦 1 of 2 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 25 September 2026
Severe
Westbound Starting soon
The M3 westbound between junctions J5 and J6
🔨 Roadworks
✅ The event is expected to clear between 16:00 and 16:00 on 29 September 2026
Moderate
Starting soon
From 21:00 on 24 September 2026 to 06:00 on 25 September 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 25 September 2026
Moderate
Starting soon
From 21:00 on 23 September 2026 to 06:00 on 24 September 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 24 September 2026
Moderate
Starting soon
From 21:00 on 22 September 2026 to 06:00 on 23 September 2026
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 23 September 2026
Moderate
Westbound Starting soon
The M3 westbound entry slip at junction J9
🔨 Roadworks
🚦 1 of 1 lanes closed ✅ The event is expected to clear between 06:00 and 06:00 on 25 September 2026
❓ M3 roadworks — Frequently Asked Questions
Are there roadworks on the M3 right now?
Yes — National Highways is reporting 1 set of roadworks running on the M3.
Is the M3 closed tonight?
9 closures are scheduled on the M3 in the next 72 hours. Each one is listed above with its window and diversion.
When are M3 roadworks usually carried out?
Most National Highways lane closures on the M3 run overnight and are lifted before the morning peak (07:00–09:30). Full carriageway closures are usually weekend nights, with a signed diversion.
🛣️ Data from National Highways ·
All UK roadworks ·
Overnight closures ·
M3 live traffic
Roadworks change at short notice. Always follow signs and signals on the road.