Crash View

M40 southbound Jct 1a to Jct 1 Lane 3 and 2 closure

Cleared

M40 southbound Jct 1a to Jct 1 Lane 3 and 2 closure

Start time
Thu, Jan 15, 2026 9:00 PM
Expected end
Fri, Jan 16, 2026 6:00 AM
Duration
9 hours
Road
M40 – M40 Southbound Between J1A And J1
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected, 2 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
Wed, Jan 14, 2026 9:01 AM
Last updated
Thu, Jan 15, 2026 8:06 AM
Cleared
Fri, Jan 16, 2026 6:00 AM
  • Latest update: M40 southbound Jct 1a to Jct 1 Lane 3 and 2 closure
Coordinates
51.562002, -0.530857
Latitude span
51.560464 – 51.564967
Longitude span
-0.555547 – -0.500267
Bounding box centre
51.562716, -0.527907
Location descriptions
  • M40 southbound between J1A and J1
  • M40 southbound within J1A after M25 J16 clockwise access
  • M40 southbound between J2 and J1A
  • M40 southbound within J1A before M25 J16 clockwise access
  • M40 southbound within J1
Feed validity status
Planned
Overall feed start
Thu, Jan 15, 2026 9:00 PM
Overall feed end
Fri, Jan 16, 2026 6:00 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

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 2

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 3

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

Segment 4

6 coordinate pairs
Description
M40 southbound between J2 and J1A
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes 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
{154415EE-BAAE-4C98-8EC4-92AA137F3C70}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
220 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.564212 -0.553619
51.564184 -0.553533
51.564044 -0.553134
51.563951 -0.552848
51.563617 -0.551671
51.563393 -0.550723

Segment 5

4 coordinate pairs
Description
M40 southbound between J2 and J1A
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 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
{C9066274-5339-4B40-8900-31C13F0B864A}
Linear Element Type
B Carriageway
From Distance
1,636 m
To Distance
1,690 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.564967 -0.555547
51.564844 -0.555272
51.564728 -0.554996
51.564693 -0.554912

Segment 6

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 7

10 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
664 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
51.561626 -0.510088
51.561658 -0.509726
51.561697 -0.509278
51.561807 -0.507326

Segment 8

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 9

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
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
0 m
To Distance
555 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.562454 -0.544542
51.562434 -0.544326
51.562016 -0.541022
51.561466 -0.536682

Segment 10

7 coordinate pairs
Description
M40 southbound between J2 and J1A
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes 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
{42F86B72-46FE-4C21-BF57-4E712F3D3DC5}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
104 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.564693 -0.554912
51.564647 -0.554804
51.564633 -0.554771
51.56452 -0.554504
51.564231 -0.55369
51.564231 -0.553689
51.564212 -0.553619

Segment 11

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 12

7 coordinate pairs
Description
M40 southbound between J2 and J1A
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes 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
{71581B09-0D3E-4126-B363-E8EC58A6D072}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
441 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.563393 -0.550723
51.563175 -0.549812
51.563026 -0.549013
51.56287 -0.548005
51.562625 -0.545965
51.562577 -0.545563
51.562454 -0.544542

Segment 13

11 coordinate pairs
Description
M40 southbound within 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 End2
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{97B0476B-791D-4AF0-9936-2D770C544E72}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
490 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.561807 -0.507326
51.561814 -0.507167
51.561799 -0.506706
51.561832 -0.505046
51.561828 -0.504382
51.561825 -0.503777
51.56182 -0.503431
51.561799 -0.50245
51.561771 -0.501658
51.561745 -0.501067
51.561702 -0.500267
Geometry type
MultiLineString
Geometry points
81
First coordinate pair
-0.525619, 51.560501
Road section segments
1
Road section points
81
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.525619,
                51.560501
            ],
            [
                -0.525403,
                51.560498
            ],
            [
                -0.524811,
                51.560491
            ],
            [
                -0.523498,
                51.560501
            ],
            [
                -0.52282,
                51.560519
            ],
            [
                -0.521606,
                51.560576
            ],
            [
                -0.520088,
                51.560674
            ],
            [
                -0.51796,
                51.560881
            ],
            [
                -0.516817,
                51.561001
            ],
            [
                -0.533491,
                51.561094
            ],
            [
                -0.532212,
                51.560943
            ],
            [
                -0.531522,
                51.560862
            ],
            [
                -0.531522,
                51.560862
            ],
            [
                -0.53112,
                51.560812
            ],
            [
                -0.553619,
                51.564212
            ],
            [
                -0.553533,
                51.564184
            ],
            [
                -0.553134,
                51.564044
            ],
            [
                -0.552848,
                51.563951
            ],
            [
                -0.551671,
                51.563617
            ],
            [
                -0.550723,
                51.563393
            ],
            [
                -0.555547,
                51.564967
            ],
            [
                -0.555272,
                51.564844
            ],
            [
                -0.554996,
                51.564728
            ],
            [
                -0.554912,
                51.564693
            ],
            [
                -0.536338,
                51.561417
            ],
            [
                -0.534814,
                51.561227
            ],
            [
                -0.533549,
                51.5611
            ],
            [
                -0.533491,
                51.561094
            ],
            [
                -0.516817,
                51.561001
            ],
            [
                -0.515514,
                51.561138
            ],
            [
                -0.51521,
                51.561161
            ],
            [
                -0.514501,
                51.561234
            ],
            [
                -0.513806,
                51.561305
            ],
            [
                -0.511896,
                51.561487
            ],
            [
                -0.510088,
                51.561626
            ],
            [
                -0.509726,
                51.561658
            ],
            [
                -0.509278,
                51.561697
            ],
            [
                -0.507326,
                51.561807
            ],
            [
                -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
            ],
            [
                -0.544542,
                51.562454
            ],
            [
                -0.544326,
                51.562434
            ],
            [
                -0.541022,
                51.562016
            ],
            [
                -0.536682,
                51.561466
            ],
            [
                -0.554912,
                51.564693
            ],
            [
                -0.554804,
                51.564647
            ],
            [
                -0.554771,
                51.564633
            ],
            [
                -0.554504,
                51.56452
            ],
            [
                -0.55369,
                51.564231
            ],
            [
                -0.553689,
                51.564231
            ],
            [
                -0.553619,
                51.564212
            ],
            [
                -0.536682,
                51.561466
            ],
            [
                -0.5365,
                51.561441
            ],
            [
                -0.536338,
                51.561417
            ],
            [
                -0.550723,
                51.563393
            ],
            [
                -0.549812,
                51.563175
            ],
            [
                -0.549013,
                51.563026
            ],
            [
                -0.548005,
                51.56287
            ],
            [
                -0.545965,
                51.562625
            ],
            [
                -0.545563,
                51.562577
            ],
            [
                -0.544542,
                51.562454
            ],
            [
                -0.507326,
                51.561807
            ],
            [
                -0.507167,
                51.561814
            ],
            [
                -0.506706,
                51.561799
            ],
            [
                -0.505046,
                51.561832
            ],
            [
                -0.504382,
                51.561828
            ],
            [
                -0.503777,
                51.561825
            ],
            [
                -0.503431,
                51.56182
            ],
            [
                -0.50245,
                51.561799
            ],
            [
                -0.501658,
                51.561771
            ],
            [
                -0.501067,
                51.561745
            ],
            [
                -0.500267,
                51.561702
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -0.525619,
            51.560501
        ],
        [
            -0.525403,
            51.560498
        ],
        [
            -0.524811,
            51.560491
        ],
        [
            -0.523498,
            51.560501
        ],
        [
            -0.52282,
            51.560519
        ],
        [
            -0.521606,
            51.560576
        ],
        [
            -0.520088,
            51.560674
        ],
        [
            -0.51796,
            51.560881
        ],
        [
            -0.516817,
            51.561001
        ],
        [
            -0.533491,
            51.561094
        ],
        [
            -0.532212,
            51.560943
        ],
        [
            -0.531522,
            51.560862
        ],
        [
            -0.531522,
            51.560862
        ],
        [
            -0.53112,
            51.560812
        ],
        [
            -0.553619,
            51.564212
        ],
        [
            -0.553533,
            51.564184
        ],
        [
            -0.553134,
            51.564044
        ],
        [
            -0.552848,
            51.563951
        ],
        [
            -0.551671,
            51.563617
        ],
        [
            -0.550723,
            51.563393
        ],
        [
            -0.555547,
            51.564967
        ],
        [
            -0.555272,
            51.564844
        ],
        [
            -0.554996,
            51.564728
        ],
        [
            -0.554912,
            51.564693
        ],
        [
            -0.536338,
            51.561417
        ],
        [
            -0.534814,
            51.561227
        ],
        [
            -0.533549,
            51.5611
        ],
        [
            -0.533491,
            51.561094
        ],
        [
            -0.516817,
            51.561001
        ],
        [
            -0.515514,
            51.561138
        ],
        [
            -0.51521,
            51.561161
        ],
        [
            -0.514501,
            51.561234
        ],
        [
            -0.513806,
            51.561305
        ],
        [
            -0.511896,
            51.561487
        ],
        [
            -0.510088,
            51.561626
        ],
        [
            -0.509726,
            51.561658
        ],
        [
            -0.509278,
            51.561697
        ],
        [
            -0.507326,
            51.561807
        ],
        [
            -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
        ],
        [
            -0.544542,
            51.562454
        ],
        [
            -0.544326,
            51.562434
        ],
        [
            -0.541022,
            51.562016
        ],
        [
            -0.536682,
            51.561466
        ],
        [
            -0.554912,
            51.564693
        ],
        [
            -0.554804,
            51.564647
        ],
        [
            -0.554771,
            51.564633
        ],
        [
            -0.554504,
            51.56452
        ],
        [
            -0.55369,
            51.564231
        ],
        [
            -0.553689,
            51.564231
        ],
        [
            -0.553619,
            51.564212
        ],
        [
            -0.536682,
            51.561466
        ],
        [
            -0.5365,
            51.561441
        ],
        [
            -0.536338,
            51.561417
        ],
        [
            -0.550723,
            51.563393
        ],
        [
            -0.549812,
            51.563175
        ],
        [
            -0.549013,
            51.563026
        ],
        [
            -0.548005,
            51.56287
        ],
        [
            -0.545965,
            51.562625
        ],
        [
            -0.545563,
            51.562577
        ],
        [
            -0.544542,
            51.562454
        ],
        [
            -0.507326,
            51.561807
        ],
        [
            -0.507167,
            51.561814
        ],
        [
            -0.506706,
            51.561799
        ],
        [
            -0.505046,
            51.561832
        ],
        [
            -0.504382,
            51.561828
        ],
        [
            -0.503777,
            51.561825
        ],
        [
            -0.503431,
            51.56182
        ],
        [
            -0.50245,
            51.561799
        ],
        [
            -0.501658,
            51.561771
        ],
        [
            -0.501067,
            51.561745
        ],
        [
            -0.500267,
            51.561702
        ]
    ]
]
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
1
Record created
Wed, Jan 14, 2026 9:01 AM
Record versioned
Thu, Jan 15, 2026 8:06 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 6 to Jct 7 hard shoulder closure

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

Expected to clear in 14 hours 56 minutes

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 northbound Warwick services entry slip road closure

Planned Roadworks National Highways
Stratford-Upon-Avon M40 · M40 Northbound At The Warwick Services Between J12 And J13

Starts in 13 hours 12 minutes

Starts 15 Jun 2026, 21:15 Expected clear 16 Jun 2026, 05:00

M40 northbound Warwick services entry slip road closure

Category: Road Maintenance
View update

M40 Southbound Jct 15 to Jct 11 lane 3 closure

Planned Roadworks National Highways
Stratford-Upon-Avon M40 · M40 Southbound Between J12 And J11

Starts in 13 hours 12 minutes

Starts 15 Jun 2026, 21:15 Expected clear 16 Jun 2026, 05:00

M40 Southbound Jct 15 to Jct 11 lane 3 closure

Category: Road Maintenance
View update

M40 northbound Jct 10 entry slip road closure

Planned Roadworks National Highways
Bicester M40 · M40 J10 Northbound Access

Starts in 13 hours 12 minutes

Starts 15 Jun 2026, 21:15 Expected clear 16 Jun 2026, 05:00

M40 northbound Jct 10 entry slip road closure

Category: Road Maintenance
View update

M40 Southbound Jct 5, lane 3 and lane 2 closures

Planned Roadworks National Highways
Wycombe M40 · M40 Southbound Within J5

Starts in 13 hours 12 minutes

Starts 15 Jun 2026, 21:15 Expected clear 16 Jun 2026, 04:00

M40 Southbound Jct 5, lane 3 and lane 2 closures

Category: Road Maintenance
View update

M40 Southbound Jct 4 to Jct 2 lane 3 closure

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

Starts in 13 hours 12 minutes

Starts 15 Jun 2026, 21:15 Expected clear 16 Jun 2026, 05:00

M40 Southbound Jct 4 to Jct 2 lane 3 closure

Category: Road Maintenance
View update