Find traffic updates, service providers, tools & more
M4 J20 at 15:37 on Wednesday 14 October: road closed both directions · closure planned from 21:00 tomorrow.
Straight from National Highways, re-checked every 3 minutes while this page is open.
Location from the National Highways junction reference. Nearest towns: Chipping Sodbury, Keynsham.
Wider area: counting every road within 3 miles — local streets, A-roads, everything — 519 collisions are on record, 2 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 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 M4 J20 → 32 of 49 junctions on the M4 · see where it ranks nationallyM4 J20 is at Bristol & Almondsbury. National Highways signs it as M5 Almondsbury. The nearest town is Chipping Sodbury.
No — as of 15:37 National Highways list nothing at M4 J20. This page re-checks their live feed every few minutes, 24 hours a day.
Yes — as of 15:37: M4 westbound Jct 20 exit slip road to M5 northbound Jct 15 - carriageway closed (Both directions), until 06:00 Sat 5 Dec.
Police STATS19 records show 46 collisions on the M4 within 2 miles of J20, including 0 fatal and 4 serious. Counting every road in the area, 519 collisions are recorded within 3 miles. That ranks it 388 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.
🚗 M4 live traffic →Car recovery near this junction - local firms you can call direct:
Near Bristol: Mobile tyre fitters · Mobile mechanics · Auto locksmiths · Wrong fuel help · All help in Bristol
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.