Crash View

M40 Southbound, Jct 1a to Jct 1, lane 2 and 3 closure.

Cleared

M40 Southbound, Jct 1a to Jct 1, lane 2 and 3 closure.

Start time
Tue, Jul 28, 2026 9:15 PM
Expected end
Wed, Jul 29, 2026 5:00 AM
Duration
7 hours 45 minutes
Road
M40 – M40 Southbound Between J1A And J1
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected
Reason
Other
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Wed, Jul 22, 2026 3:00 PM
Last updated
Wed, Jul 29, 2026 4:46 AM
Cleared
Wed, Jul 29, 2026 5:00 AM
  • Latest update: M40 Southbound, Jct 1a to Jct 1, lane 2 and 3 closure.
Coordinates
51.560963, -0.526975
Latitude span
51.560464 – 51.562037
Longitude span
-0.541195 – -0.510730
Bounding box centre
51.561251, -0.525963
Location descriptions
  • M40 southbound between J1A and J1
  • M40 southbound within J1A before M25 J16 clockwise access
  • M40 southbound within J1A after M25 J16 clockwise access
Feed validity status
Planned
Overall feed start
Tue, Jul 28, 2026 9:15 PM
Overall feed end
Wed, Jul 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

7 coordinate pairs
Description
M40 southbound between J1A and J1
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
{7C2E40CE-719F-4877-A0C2-3168F9EF75FB}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
426 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.561001 -0.516817
51.561138 -0.515514
51.561161 -0.51521
51.561234 -0.514501
51.561305 -0.513806
51.561487 -0.511896
51.561577 -0.51073

Segment 2

3 coordinate pairs
Description
M40 southbound within J1A before M25 J16 clockwise access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{9A6E26FB-2BB4-43B7-9B45-16D32218A81A}
Linear Element Type
B Carriageway
From Distance
236 m
To Distance
555 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.562037 -0.541195
51.562016 -0.541022
51.561466 -0.536682

Segment 3

11 coordinate pairs
Description
M40 southbound within J1A after M25 J16 clockwise access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{6DDC454D-D0AA-4D6D-9B86-F8B3EBB035B5}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
384 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.560812 -0.53112
51.560802 -0.531034
51.560794 -0.530962
51.560681 -0.529956
51.560628 -0.529337
51.560508 -0.527624
51.560464 -0.526269
51.56047 -0.526067
51.560493 -0.52572
51.560501 -0.525648
51.560501 -0.525619

Segment 4

3 coordinate pairs
Description
M40 southbound within J1A after M25 J16 clockwise access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{2011BA14-E066-460E-BD54-521EFE18E6FF}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
138 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.561094 -0.533491
51.560943 -0.532212
51.560862 -0.531522

Segment 5

3 coordinate pairs
Description
M40 southbound within J1A before M25 J16 clockwise access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{D988D17A-7375-49FF-82C5-EE3044E9113E}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
24 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.561466 -0.536682
51.561441 -0.5365
51.561417 -0.536338

Segment 6

9 coordinate pairs
Description
M40 southbound between J1A and J1
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
{5C619A58-5A02-48B7-9E31-D43842017A9B}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
614 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.560501 -0.525619
51.560498 -0.525403
51.560491 -0.524811
51.560501 -0.523498
51.560519 -0.52282
51.560576 -0.521606
51.560674 -0.520088
51.560881 -0.51796
51.561001 -0.516817

Segment 7

4 coordinate pairs
Description
M40 southbound within J1A before M25 J16 clockwise access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{235FCD6F-19BE-482C-9923-729EA2C5AED4}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
200 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.561417 -0.536338
51.561227 -0.534814
51.5611 -0.533549
51.561094 -0.533491

Segment 8

2 coordinate pairs
Description
M40 southbound within J1A after M25 J16 clockwise access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{5FEF92E9-4361-421B-BDFE-0BC9FF257576}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
28 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.560862 -0.531522
51.560812 -0.53112
Geometry type
MultiLineString
Geometry points
42
First coordinate pair
-0.516817, 51.561001
Road section segments
1
Road section points
42
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.516817,
                51.561001
            ],
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                -0.515514,
                51.561138
            ],
            [
                -0.51521,
                51.561161
            ],
            [
                -0.514501,
                51.561234
            ],
            [
                -0.513806,
                51.561305
            ],
            [
                -0.511896,
                51.561487
            ],
            [
                -0.51073,
                51.561577
            ],
            [
                -0.541195,
                51.562037
            ],
            [
                -0.541022,
                51.562016
            ],
            [
                -0.536682,
                51.561466
            ],
            [
                -0.53112,
                51.560812
            ],
            [
                -0.531034,
                51.560802
            ],
            [
                -0.530962,
                51.560794
            ],
            [
                -0.529956,
                51.560681
            ],
            [
                -0.529337,
                51.560628
            ],
            [
                -0.527624,
                51.560508
            ],
            [
                -0.526269,
                51.560464
            ],
            [
                -0.526067,
                51.56047
            ],
            [
                -0.52572,
                51.560493
            ],
            [
                -0.525648,
                51.560501
            ],
            [
                -0.525619,
                51.560501
            ],
            [
                -0.533491,
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            ],
            [
                -0.532212,
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            ],
            [
                -0.531522,
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            ],
            [
                -0.536682,
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            ],
            [
                -0.5365,
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            ],
            [
                -0.536338,
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            ],
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                -0.525619,
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            ],
            [
                -0.525403,
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            ],
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                -0.524811,
                51.560491
            ],
            [
                -0.523498,
                51.560501
            ],
            [
                -0.52282,
                51.560519
            ],
            [
                -0.521606,
                51.560576
            ],
            [
                -0.520088,
                51.560674
            ],
            [
                -0.51796,
                51.560881
            ],
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                -0.516817,
                51.561001
            ],
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                -0.536338,
                51.561417
            ],
            [
                -0.534814,
                51.561227
            ],
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                -0.533549,
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            ],
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                -0.533491,
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            ],
            [
                -0.531522,
                51.560862
            ],
            [
                -0.53112,
                51.560812
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -0.516817,
            51.561001
        ],
        [
            -0.515514,
            51.561138
        ],
        [
            -0.51521,
            51.561161
        ],
        [
            -0.514501,
            51.561234
        ],
        [
            -0.513806,
            51.561305
        ],
        [
            -0.511896,
            51.561487
        ],
        [
            -0.51073,
            51.561577
        ],
        [
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            51.562037
        ],
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            51.562016
        ],
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            51.561466
        ],
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        ],
        [
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        ],
        [
            -0.530962,
            51.560794
        ],
        [
            -0.529956,
            51.560681
        ],
        [
            -0.529337,
            51.560628
        ],
        [
            -0.527624,
            51.560508
        ],
        [
            -0.526269,
            51.560464
        ],
        [
            -0.526067,
            51.56047
        ],
        [
            -0.52572,
            51.560493
        ],
        [
            -0.525648,
            51.560501
        ],
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            -0.525619,
            51.560501
        ],
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            -0.533491,
            51.561094
        ],
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            -0.532212,
            51.560943
        ],
        [
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        ],
        [
            -0.536682,
            51.561466
        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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            -0.52282,
            51.560519
        ],
        [
            -0.521606,
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        ],
        [
            -0.520088,
            51.560674
        ],
        [
            -0.51796,
            51.560881
        ],
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            -0.516817,
            51.561001
        ],
        [
            -0.536338,
            51.561417
        ],
        [
            -0.534814,
            51.561227
        ],
        [
            -0.533549,
            51.5611
        ],
        [
            -0.533491,
            51.561094
        ],
        [
            -0.531522,
            51.560862
        ],
        [
            -0.53112,
            51.560812
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Other
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Wed, Jul 22, 2026 3:00 PM
Record versioned
Wed, Jul 29, 2026 4:46 AM
Coordinate source
Geometry

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

M40 live closures

Related incidents

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M40 southbound, Jct 7 to Jct 6, hard shoulder closure

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M40 Southbound Jct 5 to Jct 4 lane 3 and 2 closure

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Starts in 13 hours 2 minutes

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M40 northbound, Jct 5 exit slip road closure

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Starts in 13 hours 2 minutes

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M40 northbound, Jct 5 exit slip road closure

Category: Road Maintenance
View update