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Location from the National Highways junction reference.
No collisions within 2 miles of J38 are recorded against the M4 itself. Police logged them against the roads that meet here — M4 (31), A48 (15), B4281 (13), B4283 (13), A4229 (12).
Every road within 3 miles of M4 J38 — local streets, A-roads, everything. Because it follows how built-up the area is rather than the motorway, it is not used in the danger ranking.
📊 Full collision analysis around M4 J38 →M4 J38 is at Port Talbot & Margam. National Highways signs it as Margam.
Live incidents for the whole M4 are listed on the M4 traffic page, updated every 5 minutes from National Highways.
No police collision records are held on the M4 within 2 miles of J38.
Live incidents, roadworks and delays for the whole M4, updated every 5 minutes from National Highways.
🚗 M4 live traffic →