M3 Junction 12 Traffic

🚨 Live at M3 J12 right now

Checked 14:07 · auto-refresh

✅Nothing reported at M3 J12 right now.

Nearby on the M3

🐌 Congestion · Minor

The M3 eastbound between junctions J10 and J8. Congestion. Currently Active

→ EastboundJ10–J82 min delay2 junctions away

Reported 13:50 · 12 min ago

Straight from National Highways, re-checked every 3 minutes while this page is open.

All live M3 traffic →M3 eastbound →M3 westbound →M3 roadworks →

Is M3 junction 12 closed? Quick answers

Checked 14:07 on Tuesday 3 November 2026.

Is M3 junction 12 closed right now?

No. Nothing is closing the road at M3 junction 12 at 14:07.

Is M3 junction 12 closed tonight?

No. No closures are planned at M3 junction 12 tonight (Tue 3 Nov, 18:00 to 06:00).

Tonight: every M3 closure ›

Is M3 junction 12 closed this weekend?

No. No closures are planned at M3 junction 12 this weekend (Fri 6 Nov 18:00 to Mon 9 Nov 06:00).

This weekend: every M3 closure ›

Is there an accident at M3 junction 12 today?

No. No collision has been reported at M3 junction 12 since midnight.

M3 accidents today and yesterday ›

Answers use official data only: the National Highways live incident feed and their planned closure report. A closure is counted here when National Highways name this junction or a stretch that runs through it.

🗺️ Where M3 J12 is

Location from the National Highways junction reference. Nearest towns: Eastleigh, Southampton, Hedge End, Romsey.

📍 Heading to… from M3 J12

Also near this junction

Southampton Airport Airport · Eastleigh, Hampshire 1.5 miles south in a straight line 🧭 Directions Hampshire traffic

Marwell Zoo Zoo & wildlife · Colden Common, Winchester, Hampshire 4 miles east in a straight line 🧭 Directions Hampshire traffic

St Mary's Stadium Stadium · Southampton, Hampshire 4.5 miles south in a straight line 🧭 Directions Hampshire traffic

Port of Southampton (cruise terminals) Ferry port · Southampton, Hampshire 5.5 miles south in a straight line 🧭 Directions Hampshire traffic

Paultons Park Theme park · Ower, Romsey, Hampshire 8 miles west in a straight line 🧭 Directions Hampshire traffic

National Motor Museum, Beaulieu Heritage · Beaulieu, Hampshire 11 miles south in a straight line 🧭 Directions Hampshire traffic

Places and the junctions they are reached from are kept by our team; distances are measured in a straight line from the junction, not along the road.

⚠️ Collision record on the M3 at J12

130Collisions

3Fatal

19Serious

193Casualties

Far worse than most

Ranked 79 of 556 UK junctions on record · 3 of 15 on the M3

Wider area: counting every road within 3 miles — local streets, A-roads, everything — 1,952 collisions are on record, 13 of them fatal. That figure follows how built-up the area is, so it is shown for context and is not what the ranking uses.

Department for Transport STATS19 police collision records on the M3 itself, within 2 miles of J12. This is the free summary — the full breakdown by severity, weather, road surface, time of day and individual record is in the blackspot report.

📊 Full collision analysis for M3 J12 → 3 of 15 junctions on the M3 · see where it ranks nationally

❓ M3 J12 — Frequently Asked Questions

Where is M3 junction 12?

M3 J12 is at Eastleigh & Chandlers Ford. National Highways signs it as Eastleigh. The nearest town is Eastleigh.

Is there an accident at M3 J12?

Not at M3 J12 itself as of 14:07. Nearby, National Highways report: The M3 eastbound between junctions J10 and J8. Congestion. Currently Active (2 junctions away).

Is M3 junction 12 closed?

No closure is listed at M3 J12 as of 14:07.

How many accidents happen at M3 junction 12?

Police STATS19 records show 130 collisions on the M3 within 2 miles of J12, including 3 fatal and 19 serious. Counting every road in the area, 1,952 collisions are recorded within 3 miles. That ranks it 79 of 556 UK junctions we hold collision records for.

What is near M3 junction 12?

Within 15 miles of M3 J12: Southampton Airport (airport, Eastleigh), about 1.5 miles south in a straight line; Marwell Zoo (zoo & wildlife, Colden Common, Winchester), about 4 miles east in a straight line; St Mary's Stadium (stadium, Southampton), about 4.5 miles south in a straight line; Port of Southampton (cruise terminals) (ferry port, Southampton), about 5.5 miles south in a straight line; Paultons Park (theme park, Ower, Romsey), about 8 miles west in a straight line; National Motor Museum, Beaulieu (heritage, Beaulieu), about 11 miles south in a straight line.

🚨 Live M3 traffic

Live incidents, roadworks and delays for the whole M3, updated every 5 minutes from National Highways.

🚗 M3 live traffic →

↔️ Next junctions

← J11
Winchester & Twyford J13
Eastleigh & Chandlers Ford →

📍 Towns near this junction

Eastleigh 0.8 mi Southampton 4.9 mi Hedge End 4.9 mi Romsey 5.9 mi

🔢 All M3 junctions

J1 J2 J3 J4 J4A J5 J6 J7 J8 J9 J10 J11 J12 J13 J14

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