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M6 J20 at 10:47 on Monday 12 October: 1 incident at this junction.
Straight from National Highways, re-checked every 3 minutes while this page is open.
Location from the National Highways junction reference. Nearest towns: Lymm, Warrington, Altrincham, Knutsford.
Wider area: counting every road within 3 miles — local streets, A-roads, everything — 273 collisions are on record, 5 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 M6 itself, within 2 miles of J20. 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 M6 J20 → 16 of 49 junctions on the M6 · see where it ranks nationallyM6 J20 is at Lymm & Grappenhall. National Highways signs it as M56 Interchange. The nearest town is Lymm.
No collision is listed at M6 J20 as of 10:47, but National Highways report: The M6 southbound between junctions J21 and J20. Congestion. Currently Active.
No closure is listed at M6 J20 as of 10:47.
Police STATS19 records show 58 collisions on the M6 within 2 miles of J20, including 1 fatal and 11 serious. Counting every road in the area, 273 collisions are recorded within 3 miles. That ranks it 149 of 554 UK junctions we hold collision records for.
Live incidents, roadworks and delays for the whole M6, updated every 5 minutes from National Highways.
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