M40 Southbound Jct 5 to Jct 4 lane 3 and lane 2 closures.

Cleared

M40 Southbound Jct 5 to Jct 4 lane 3 and lane 2 closures.

Start time
Mon, Sep 28, 2026 9:15 PM
Expected end
Tue, Sep 29, 2026 5:00 AM
Duration
6 hours 5 minutes 1 second
Road
M40 – M40 Southbound Between J5 And J4
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment
Planning history
EPC ratings & more
First published
Fri, Aug 21, 2026 1:11 PM
Last updated
Tue, Sep 29, 2026 2:58 AM
Cleared
Tue, Sep 29, 2026 3:20 AM
  • Latest update: M40 Southbound Jct 5 to Jct 4 lane 3 and lane 2 closures.
Coordinates
51.611051, -0.789342
Latitude span
51.610095 – 51.612825
Longitude span
-0.797620 – -0.775859
Bounding box centre
51.611460, -0.786740
Location descriptions
  • M40 southbound between J5 and J4
Feed validity status
Planned
Overall feed start
Mon, Sep 28, 2026 9:15 PM
Overall feed end
Tue, Sep 29, 2026 5:00 AM
Feed window length
7 hours 45 minutes
Probability code (raw)
probable
Compliance option (raw)
mandatory
Source identification (raw)
roadworks
Management type value
other
Contra-flow flag (raw)
false
Width restriction flag (raw)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

4 coordinate pairs
Description
M40 southbound between J5 and J4
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{7DF9A3E4-9B33-406C-B04A-16E7311924EA}
Linear Element Type
B Carriageway
From Distance
1,769 m
To Distance
1,885 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.612825 -0.79762
51.612585 -0.797073
51.612237 -0.796249
51.612235 -0.796244

Segment 2

27 coordinate pairs
Description
M40 southbound between J5 and J4
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{C370B932-2801-4D20-B076-A1386A9280DF}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
1,474 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.612235 -0.796244
51.61218 -0.796116
51.611977 -0.795601
51.611931 -0.795487
51.611644 -0.794715
51.611561 -0.794471
51.611357 -0.793856
51.611123 -0.793053
51.610937 -0.792365
51.610786 -0.791719
51.610766 -0.791619
51.610568 -0.790627
51.610434 -0.789837
51.610281 -0.788642
51.610238 -0.788311
51.610187 -0.787706
51.610144 -0.78697
51.610106 -0.785975
51.610095 -0.784921
51.610113 -0.78404
51.610127 -0.783635
51.610158 -0.783128
51.610237 -0.782115
51.610387 -0.780927
51.610918 -0.777519
51.611011 -0.776953
51.611195 -0.775859
Geometry type
MultiLineString
Geometry points
31
First coordinate pair
-0.797620, 51.612825
Road section segments
1
Road section points
31
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.79762,
                51.612825
            ],
            [
                -0.797073,
                51.612585
            ],
            [
                -0.796249,
                51.612237
            ],
            [
                -0.796244,
                51.612235
            ],
            [
                -0.796244,
                51.612235
            ],
            [
                -0.796116,
                51.61218
            ],
            [
                -0.795601,
                51.611977
            ],
            [
                -0.795487,
                51.611931
            ],
            [
                -0.794715,
                51.611644
            ],
            [
                -0.794471,
                51.611561
            ],
            [
                -0.793856,
                51.611357
            ],
            [
                -0.793053,
                51.611123
            ],
            [
                -0.792365,
                51.610937
            ],
            [
                -0.791719,
                51.610786
            ],
            [
                -0.791619,
                51.610766
            ],
            [
                -0.790627,
                51.610568
            ],
            [
                -0.789837,
                51.610434
            ],
            [
                -0.788642,
                51.610281
            ],
            [
                -0.788311,
                51.610238
            ],
            [
                -0.787706,
                51.610187
            ],
            [
                -0.78697,
                51.610144
            ],
            [
                -0.785975,
                51.610106
            ],
            [
                -0.784921,
                51.610095
            ],
            [
                -0.78404,
                51.610113
            ],
            [
                -0.783635,
                51.610127
            ],
            [
                -0.783128,
                51.610158
            ],
            [
                -0.782115,
                51.610237
            ],
            [
                -0.780927,
                51.610387
            ],
            [
                -0.777519,
                51.610918
            ],
            [
                -0.776953,
                51.611011
            ],
            [
                -0.775859,
                51.611195
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -0.79762,
            51.612825
        ],
        [
            -0.797073,
            51.612585
        ],
        [
            -0.796249,
            51.612237
        ],
        [
            -0.796244,
            51.612235
        ],
        [
            -0.796244,
            51.612235
        ],
        [
            -0.796116,
            51.61218
        ],
        [
            -0.795601,
            51.611977
        ],
        [
            -0.795487,
            51.611931
        ],
        [
            -0.794715,
            51.611644
        ],
        [
            -0.794471,
            51.611561
        ],
        [
            -0.793856,
            51.611357
        ],
        [
            -0.793053,
            51.611123
        ],
        [
            -0.792365,
            51.610937
        ],
        [
            -0.791719,
            51.610786
        ],
        [
            -0.791619,
            51.610766
        ],
        [
            -0.790627,
            51.610568
        ],
        [
            -0.789837,
            51.610434
        ],
        [
            -0.788642,
            51.610281
        ],
        [
            -0.788311,
            51.610238
        ],
        [
            -0.787706,
            51.610187
        ],
        [
            -0.78697,
            51.610144
        ],
        [
            -0.785975,
            51.610106
        ],
        [
            -0.784921,
            51.610095
        ],
        [
            -0.78404,
            51.610113
        ],
        [
            -0.783635,
            51.610127
        ],
        [
            -0.783128,
            51.610158
        ],
        [
            -0.782115,
            51.610237
        ],
        [
            -0.780927,
            51.610387
        ],
        [
            -0.777519,
            51.610918
        ],
        [
            -0.776953,
            51.611011
        ],
        [
            -0.775859,
            51.611195
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Fri, Aug 21, 2026 1:11 PM
Record versioned
Tue, Sep 29, 2026 2:58 AM
Coordinate source
Geometry

Driving on the M40? See every live closure, roadwork and planned restriction on this road.

M40 live closures

Related incidents

M40 Southbound, Jct 10 to Jct 9 hard shoulder closure

Planned Roadworks National Highways
Bicester M40 · M40 Southbound Between J10 And J9

Expected to clear in 14 minutes 53 seconds

Started 12 Oct 2026, 06:00 Expected clear 12 Oct 2026, 18:00

M40 Southbound, Jct 10 to Jct 9 hard shoulder closure

Category: Road Maintenance
View update

M40 Northbound, Jct 11 entry slip road closure

Planned Roadworks National Highways
Bicester M40 · M40 J11 Northbound Access

Starts in 3 hours 29 minutes

Starts 12 Oct 2026, 21:15 Expected clear 13 Oct 2026, 05:00

M40 Northbound, Jct 11 entry slip road closure

Category: Road Maintenance
View update

M40 Southbound, Jct 11 to Jct 10 hard shoulder, lane 1 and 2 closure

Cleared Roadworks National Highways
Bicester M40 · M40 Southbound Between J11 And J10

Expected to clear in 11 hours 14 minutes

Started 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

M40 Southbound, Jct 11 to Jct 10 hard shoulder, lane 1 and 2 closure

Category: Road Maintenance
View update

M40 Southbound Jct 5 to Jct 4 hard shoulder and lane 1 and 2 closure

Planned Roadworks National Highways
Wycombe M40 · M40 Southbound Between J5 And J4

Starts in 2 hours 14 minutes

Starts 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

M40 Southbound Jct 5 to Jct 4 hard shoulder and lane 1 and 2 closure

Category: Road Maintenance
View update

M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.

Planned Roadworks National Highways
Chiltern M40 · M40 Southbound Between J4 And J3

Starts in 2 hours 14 minutes

Starts 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.

Category: Road Maintenance
View update

A40 Eastbound Jct 1 exit slip road lane 1 closure

Planned Roadworks National Highways
Hillingdon M40 · M40 Southbound Between J1A And J1

Starts in 2 hours 14 minutes

Starts 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 04:30

A40 Eastbound Jct 1 exit slip road lane 1 closure

Category: Road Maintenance
View update