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M3 J12 at 08:38 on Wednesday 14 October: closure planned from 21:00.
Straight from National Highways, re-checked every 3 minutes while this page is open.
Location from the National Highways junction reference. Nearest towns: Eastleigh, Southampton, Hedge End, Romsey.
Wider area: counting every road within 3 miles — local streets, A-roads, everything — 1,041 collisions are on record, 8 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 nationallyM3 J12 is at Eastleigh & Chandlers Ford. National Highways signs it as Eastleigh. The nearest town is Eastleigh.
No — as of 08:38 National Highways list nothing at M3 J12. This page re-checks their live feed every few minutes, 24 hours a day.
Not right now. Planned: M3 northbound Jct 12 to Jct 11 carriageway closure, from 21:00 until 06:00 Thu 15 Oct.
Police STATS19 records show 55 collisions on the M3 within 2 miles of J12, including 2 fatal and 8 serious. Counting every road in the area, 1,041 collisions are recorded within 3 miles. That ranks it 106 of 554 UK junctions we hold collision records for.
Live incidents, roadworks and delays for the whole M3, updated every 5 minutes from National Highways.
🚗 M3 live traffic →Car recovery near this junction - local firms you can call direct:
Near Southampton: Mobile tyre fitters · Mobile mechanics · Auto locksmiths · Wrong fuel help · All help in Southampton
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.