Crash View

M40 southbound, Jct 5 to Jct 4, lane 3 closure

Cleared

M40 southbound, Jct 5 to Jct 4, lane 3 closure

Start time
Wed, May 20, 2026 8:00 PM
Expected end
Thu, May 21, 2026 5:00 AM
Duration
9 hours
Road
M40 – M40 Southbound Within J4
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
Lane 3 closed, 1 of 2 lanes affected, 1 of 3 lanes affected
Reason
Repair 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
Get a property report
First published
Fri, Apr 24, 2026 1:23 PM
Last updated
Thu, May 21, 2026 3:54 AM
Cleared
Thu, May 21, 2026 5:00 AM
  • Latest update: M40 southbound, Jct 5 to Jct 4, lane 3 closure
Coordinates
51.611665, -0.781449
Latitude span
51.610095 – 51.613859
Longitude span
-0.799018 – -0.759026
Bounding box centre
51.611977, -0.779022
Location descriptions
  • M40 southbound within J4
  • M40 southbound between J5 and J4
  • M40 southbound between J4 and J3
Feed validity status
Planned
Overall feed start
Wed, May 20, 2026 8:00 PM
Overall feed end
Thu, May 21, 2026 5:00 AM
Feed window length
9 hours
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

7 coordinate pairs
Description
M40 southbound within J4
Carriageway
Dual Carriageway
Lane Usage
Cl3
Lane Number
3
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane 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
{2DF94655-DFC6-42D5-979D-0C27A8E9DDCE}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
456 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.612469 -0.767671
51.612647 -0.766583
51.613153 -0.763392
51.613322 -0.762405
51.613373 -0.762074
51.613448 -0.761578
51.61349 -0.761288

Segment 2

5 coordinate pairs
Description
M40 southbound between J5 and J4
Carriageway
Dual Carriageway
Lane Usage
Cl3
Lane Number
3
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 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
1,652 m
To Distance
1,885 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.61343 -0.799018
51.613092 -0.798229
51.612585 -0.797073
51.612237 -0.796249
51.612235 -0.796244

Segment 3

27 coordinate pairs
Description
M40 southbound between J5 and J4
Carriageway
Dual Carriageway
Lane Usage
Cl3
Lane Number
3
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 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
1,503 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
51.611265 -0.775445

Segment 4

3 coordinate pairs
Description
M40 southbound between J4 and J3
Carriageway
Dual Carriageway
Lane Usage
Cl3
Lane Number
3
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 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
{C56D6C52-AED0-4CF4-8BB7-0E05B028A253}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
161 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.61349 -0.761288
51.61371 -0.759939
51.613859 -0.759026

Segment 5

6 coordinate pairs
Description
M40 southbound within J4
Carriageway
Dual Carriageway
Lane Usage
Cl3
Lane Number
3
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane 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
{1209F272-E56C-47B6-B284-5FC9AF1413CD}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
436 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.611265 -0.775445
51.611273 -0.775372
51.611432 -0.774256
51.6115 -0.773835
51.611601 -0.773168
51.612208 -0.769324

Segment 6

2 coordinate pairs
Description
M40 southbound within J4
Carriageway
Dual Carriageway
Lane Usage
Cl3
Lane Number
3
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane 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
{A44F55E5-35F3-4F7B-B3FE-37A015CFCE01}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
118 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.612208 -0.769324
51.612469 -0.767671
Geometry type
MultiLineString
Geometry points
50
First coordinate pair
-0.767671, 51.612469
Road section segments
1
Road section points
50
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.767671,
                51.612469
            ],
            [
                -0.766583,
                51.612647
            ],
            [
                -0.763392,
                51.613153
            ],
            [
                -0.762405,
                51.613322
            ],
            [
                -0.762074,
                51.613373
            ],
            [
                -0.761578,
                51.613448
            ],
            [
                -0.761288,
                51.61349
            ],
            [
                -0.799018,
                51.61343
            ],
            [
                -0.798229,
                51.613092
            ],
            [
                -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
            ],
            [
                -0.775445,
                51.611265
            ],
            [
                -0.761288,
                51.61349
            ],
            [
                -0.759939,
                51.61371
            ],
            [
                -0.759026,
                51.613859
            ],
            [
                -0.775445,
                51.611265
            ],
            [
                -0.775372,
                51.611273
            ],
            [
                -0.774256,
                51.611432
            ],
            [
                -0.773835,
                51.6115
            ],
            [
                -0.773168,
                51.611601
            ],
            [
                -0.769324,
                51.612208
            ],
            [
                -0.769324,
                51.612208
            ],
            [
                -0.767671,
                51.612469
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -0.767671,
            51.612469
        ],
        [
            -0.766583,
            51.612647
        ],
        [
            -0.763392,
            51.613153
        ],
        [
            -0.762405,
            51.613322
        ],
        [
            -0.762074,
            51.613373
        ],
        [
            -0.761578,
            51.613448
        ],
        [
            -0.761288,
            51.61349
        ],
        [
            -0.799018,
            51.61343
        ],
        [
            -0.798229,
            51.613092
        ],
        [
            -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
        ],
        [
            -0.775445,
            51.611265
        ],
        [
            -0.761288,
            51.61349
        ],
        [
            -0.759939,
            51.61371
        ],
        [
            -0.759026,
            51.613859
        ],
        [
            -0.775445,
            51.611265
        ],
        [
            -0.775372,
            51.611273
        ],
        [
            -0.774256,
            51.611432
        ],
        [
            -0.773835,
            51.6115
        ],
        [
            -0.773168,
            51.611601
        ],
        [
            -0.769324,
            51.612208
        ],
        [
            -0.769324,
            51.612208
        ],
        [
            -0.767671,
            51.612469
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Repair Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
2
Record created
Fri, Apr 24, 2026 1:23 PM
Record versioned
Thu, May 21, 2026 3:54 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 Northbound Jct 11 exit slip road lane 1 closure

Planned Roadworks National Highways
Bicester M40 · M40 J11 Northbound Exit

Expected to clear in 10 hours 27 minutes

Started 14 Jun 2026, 18:30 Expected clear 15 Jun 2026, 05:00

M40 Northbound Jct 11 exit slip road lane 1 closure

Category: Road Maintenance
View update

M40 Northbound Jct 6 to Jct 7 hard shoulder closure

Active Roadworks National Highways
Benson M40 · M40 Northbound Between J6 And J7

Expected to clear in 1 day 4 hours

Started 14 Jun 2026, 11:00 Expected clear 15 Jun 2026, 22:59

M40 Northbound Jct 6 to Jct 7 hard shoulder closure

Category: Road Maintenance
View update

M40 Southbound Jct 6 to Jct 4 lane 2 and 3 closure

Planned Roadworks National Highways
Wycombe M40 · M40 Southbound Between J6 And J5

Starts in 1 hour 27 minutes

Starts 14 Jun 2026, 20:00 Expected clear 15 Jun 2026, 05:00

M40 Southbound Jct 6 to Jct 4 lane 2 and 3 closure

Category: Construction Work
View update

M40 Southbound Jct 12 to Jct 10 lane 1 and lane 2 closures.

Planned Roadworks National Highways
Bicester M40 · M40 Southbound Within J11

Starts in 1 hour 27 minutes

Starts 14 Jun 2026, 20:00 Expected clear 15 Jun 2026, 05:00

M40 Southbound Jct 12 to Jct 10 lane 1 and lane 2 closures.

Category: Road Maintenance
View update

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

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

Expected to clear in 10 hours 27 minutes

Started 14 Jun 2026, 20:00 Expected clear 15 Jun 2026, 05:00

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

Category: Road Maintenance
View update

M40 Northbound Jct 6 to Jct 7 hard shoulder closure

Cleared Roadworks National Highways
Benson M40 · M40 Northbound Between J6 And J7

Cleared 6 hours 32 minutes ago

Started 14 Jun 2026, 06:00 Ended 14 Jun 2026, 12:00

M40 Northbound Jct 6 to Jct 7 hard shoulder closure

Category: Road Maintenance
View update