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Location from the National Highways junction reference.
Wider area: counting every road within 3 miles — local streets, A-roads, everything — 220 collisions are on record, 11 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 M4 itself, within 2 miles of J41. 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 M4 J41 → 46 of 49 junctions on the M4 · see where it ranks nationallyM4 J41 is at Neath & Briton Ferry. National Highways signs it as Briton Ferry.
Live incidents for the whole M4 are listed on the M4 traffic page, updated every 5 minutes from National Highways.
Police STATS19 records show 12 collisions on the M4 within 2 miles of J41, including 0 fatal and 2 serious. Counting every road in the area, 220 collisions are recorded within 3 miles. That ranks it 517 of 554 UK junctions we hold collision records for.
Live incidents, roadworks and delays for the whole M4, updated every 5 minutes from National Highways.
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