M4 closed between Junction 10 and Junction 11 near Reading, 18 to 21 September 2026

M4 Junction 10

1Accidentsreported on the M4 — and the overhead signs show M4 J21-J23 CLOSED — see the signs3Roadworks activelive on the M4 right now — see details8Plannedscheduled on the M4 — see details

Live M4 traffic data from National Highways · updated 21:29 (9:29pm) Wed 21 Oct 2026

M4

M4 Junction 10: Winnersh (A329(M))

Map of M4 Junction 10: Winnersh
M4 Junction 10: Winnersh. Map data © OpenStreetMap contributors. Map drawing © Corporate Ace Limited.

Junction 10 at Winnersh is where the A329(M) heads for Reading to the west and the A329(M) and A329 continue to Wokingham and Bracknell. Emmbrook, Winnersh and Sindlesham are close by, and Wokingham is about a mile and a half south-east. Dinton Pastures Country Park is about a mile and a half north-west.

Commuters to Wokingham and Bracknell, parents on the school run, and drivers delivering to east Reading join the M4 here. Check the junction before you leave, then the live map for the rest of your trip.

M4 Junction 10 Now: Accidents, Incidents and Roadworks

Live traffic news at M4 Junction 10

Incidents and roadworks between Junction 9 and Junction 11 that we are aware of.

  • M4 Eastbound Jct 4B to M25 Clockwise and Anticlockwise Jct 15 exit slip road lane 1 closure

    PlannedUpdateAnticlockwise Slip road closed
    Time now: Wednesday, 21 October 2026, 21:29 (9:29pm)

    21:28 (9:28pm)21 Oct 2026reported just now

    Location
    link road from M4 J4B eastbound to M25 J15
    Direction
    Anticlockwise
    Lanes closed
    Slip road closed
    Reason
    Repair work
    Schedule
    22:00 (10pm) Wed 21 Oct 2026 → 05:30 (5:30am) Thu 22 Oct 2026

    Forecast - not confirmed

    🚧HA scheduled: 22:00 (10pm) Wed 21 Oct 2026 → 05:30 (5:30am) Thu 22 Oct 2026 starts in about 30 minutes · lasts ~7h 30m
  • + 3 more near Junction 10 - see all the M4 traffic news →

    This is the news for Junction 10 only, not the whole M4. For the rest of the motorway see all the latest M4 traffic news, the overhead signs and the speed limits in force now.

    Updated 21:29 (9:29pm) Wed 21 Oct 2026

    Live Traffic Speeds at M4 Junction 10

    The speed strip below shows the M4 around this junction, both directions, from National Highways’ live data, checked every five minutes.

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    Untick all three to see just the speeds. We show the important overhead signs and the mandatory speed limits (red ring); see every overhead sign.

    Key
    60 mph +50–5930–4915–29under 15
    closedM62connecting motorwayA6A road👈M1our site: tap for its map
    services, on the side you can reach them
    crashincidentqueueroadworksspeed limitspeed shown on the signsstop-startoverhead sign
    reported by drivers, which can’t always be relied onconfirmed by National Highways
    Tap a stretch of road to see its speed.

    Go to our live M4 traffic speed flow map ›

    Powered by National Highways' Transport Data Feeds.
    In an emergency call 999. To report a problem on a motorway, call National Highways on 0300 123 5000 (24 hours).

    NOTE: The speed flow, overhead sign messages or other information shown on our live traffic speed flow map is updated every few minutes. We cross check the data and aim to provide warnings if there could be a delay or an inaccurate speed reading. There can be occasions, beyond our control, and despite our best efforts where the speed flow could be inaccurate. We cannot therefore guarantee the speed you can expect on any stretch of the motorway is always accurately shown. However we hope you will find our live traffic speed flow map a useful tool in trying to plan your journey. Safe driving.

    All the latest M4 traffic news →Live M4 traffic speed flow map →

    M4 J10 in Our Records

    Incidents here, last 13 days80 collisions, 8 breakdowns or obstructions
    Typical time to clear30 minutesthe middle value of 8 cleared
    Slowest daytime hour westbound11:00–12:00average 62 mph (typical 57 mph)
    Slowest daytime hour eastbound11:00–12:00average 63 mph (typical 56 mph)

    Every incident we recorded at J10 in the last 13 days was a breakdown or obstruction rather than a collision. Westbound, traffic usually keeps close to its typical speed through the day; the slowest hour is 11:00. Eastbound, traffic has been running faster than its typical speed, even in its slowest daytime hour (11:00).

    Average speed by hour of day at J10

    our average, last 12 daysNational Highways’ typical speed

    Westbound

    02040608000:0006:0012:0018:0023:00

    Eastbound

    02040608000:0006:0012:0018:0023:00

    Incidents per week at J10

    02538 Oct*5this week
    collisionsbreakdowns and obstructions* part week: we started recording during it

    The latest 5 here

    • Tue 20 Oct, 17:24 (5:24pm) Broken Down Vehicle ✓Reported by National Highways
      M4 westbound between junctions J8 and J10
      ✓ Cleared after about 19 minutes
    • Tue 20 Oct, 14:22 (2:22pm) Broken Down Vehicle ✓Reported by National Highways
      M4 eastbound between junctions J10 and J8
      ✓ Cleared after about 55 minutes
    • Sun 18 Oct, 10:08 (10:08am) Broken Down Vehicle ✓Reported by National Highways
      M4 eastbound between junctions J10 and J8
      ✓ Cleared after about 5 minutes
    • Sat 17 Oct, 22:54 (10:54pm) Broken Down Vehicle ✓Reported by National Highways
      M4 westbound between junctions J8 and J10
      ✓ Cleared after about 38 minutes
    • Sat 17 Oct, 12:35 (12:35pm) Broken Down Vehicle ✓Reported by National Highways
      M4 westbound between junctions J10 and J11
      ✓ Cleared after about 83 minutes (1.38 hours)

    Built from our own records of National Highways’ live data for the M4 either side of J10: speeds from 12 days of five-minute readings, incidents from the last 13 days (we started recording incidents on 09/10/2026). Each incident is counted once. Updated every five minutes.

    Around M4 Junction 10: Winnersh: Towns and Places on the Map

    Map of the area within about 5 miles of M4 Junction 10: Winnersh, showing the towns, villages, roads and places to visit
    The area within about 5 miles of M4 Junction 10. Map data © OpenStreetMap contributors. Map drawing © Corporate Ace Limited.
    Places on the Map Near M4 Junction 10
    PlaceWhat it isFrom the junction
    Dinton Pastures Country ParkPark or nature reserveAbout 1.5 miles north-west
    The Museum Of Berkshire AviationAttractionAbout 2 miles north-west
    Charvil Country ParkPark or nature reserveAbout 3 miles north
    Jennett's Park Country ParkPark or nature reserveAbout 3.5 miles south-east
    Cole Museum of ZoologyAttractionAbout 4 miles west
    BracknellRailway stationAbout 4.5 miles east
    Museum Of English Rural LifeAttractionAbout 5 miles west

    Junctions Either Side

    M4traffic.co.uk is dedicated to the latest M4 traffic news, checked every five minutes, 24 hours a day. The M4 meets the M25 at Junction 4b near Heathrow and the M5 near Bristol — see M25 Traffic and M5 Traffic.