Find traffic updates, service providers, tools & more
Location from the National Highways junction reference. Nearest towns: Radlett, Watford, St Albans, Hemel Hempstead.
Wider area: counting every road within 3 miles — local streets, A-roads, everything — 1,172 collisions are on record, 19 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 M1 itself, within 2 miles of J6A. 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 M1 J6A → 4 of 53 junctions on the M1 · see where it ranks nationallyM1 J6A is at St Albans & Watford. National Highways signs it as M25 Interchange. The nearest town is Radlett.
Live incidents for the whole M1 are listed on the M1 traffic page, updated every 5 minutes from National Highways.
Police STATS19 records show 90 collisions on the M1 within 2 miles of J6A, including 2 fatal and 16 serious. Counting every road in the area, 1,172 collisions are recorded within 3 miles. That ranks it 30 of 554 UK junctions we hold collision records for.
Live incidents, roadworks and delays for the whole M1, updated every 5 minutes from National Highways.
🚗 M1 live traffic →