M40 Live Traffic. Today’s Closures, Accidents and Roadworks

Live M40 Congestion Reports

    No Reported Congestion

Today’s M40 Accident Updates

  • M40 northbound between J4 and J5 | Northbound | Accident | Buckinghamshire
    Location : The M40 northbound between junctions J4 and J5 . Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 01:15 and 01:30 on 27 February 2026. Return To Normal : Normal traffic conditions are expected between 01:15 and 01:30 on 27 February 2026. Lanes Closed : All lanes are closed.
    Buckinghamshire Live Travel News
    Fri, 27 Feb 2026 00:28:00 GMT
  • M40 J4 northbound access | Northbound | Accident | Buckinghamshire
    Location : The M40 northbound entry slip at junction J4 . Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 01:30 and 01:45 on 27 February 2026. Lanes Closed : All lanes are closed.
    Buckinghamshire Live Travel News
    Fri, 27 Feb 2026 00:27:33 GMT

Northbound M40 Closures and Delays

Southbound M40 Closures and Live Delays

  • M40 J3 southbound access | Southbound | Road Works | Buckinghamshire
    Location : The M40 southbound entry slip at junction J3 . Lane Closures : Lanes 1 and 2 will be closed. Reason : Emergency barrier repairs are planned. Status : Pending. Schedule : From 22:15 on 28 February 2026 to 06:00 on 1 March 2026. Lanes Closed : All lanes will be closed.
    Buckinghamshire Live Travel News
    Thu, 26 Feb 2026 16:56:53 GMT
  • M40 southbound between J10 and J9 | Southbound | Road Works | Oxfordshire
    Location : The M40 southbound between junctions J10 and J9 . Lane Closures : Lanes 2 and 3 will be closed. Reason : Emergency barrier repairs are planned. Status : Pending. Schedule : From 22:15 on 27 February 2026 to 06:00 on 28 February 2026. Lanes Closed : There will be two of three lanes closed.
    Oxfordshire Live Travel News
    Thu, 26 Feb 2026 16:56:53 GMT

M40 Motorway Traffic Flow Map

Live traffic flow information. Avoid travel congestion and plan a smarter route.

M40 Motorway Buckinghamshire, Traffic Signs.
M40 Motorway Buckinghamshire

UK Traffic Delays is a reliable source of updated UK travel information. National Highways data obtained under open licence. London travel information is used under license from TfL: Powered by TfL Open Data.

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8 thoughts on “M40 Live Traffic. Today’s Closures, Accidents and Roadworks”

  1. Where are you getting your light traffic on the m40 south information from,because it is entirely inaccurate. It’s heaving, and is, therefore, moving extremely slowly!

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