Crash View

M40 Southbound Jct 15 to Jct 13 lane 3 and 2 closure

Planned

M40 Southbound Jct 15 to Jct 13 lane 3 and 2 closure

Start time
Wed, Aug 12, 2026 9:15 PM
Expected end
Thu, Aug 13, 2026 5:00 AM
Duration
7 hours 45 minutes
Road
M40 – M40 Southbound Between J14 And J13
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
Lane 3 closed, 1 of 3 lanes affected
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Aug 29, 2025 8:38 AM
Last updated
Wed, Aug 12, 2026 3:06 AM
Cleared
Thu, Aug 13, 2026 5:00 AM
  • Latest update: M40 Southbound Jct 15 to Jct 13 lane 3 and 2 closure
Coordinates
52.249203, -1.573447
Latitude span
52.230148 – 52.258445
Longitude span
-1.608181 – -1.529797
Bounding box centre
52.244297, -1.568989
Location descriptions
  • M40 southbound between J14 and J13
  • M40 southbound between J13 and J12
  • M40 southbound between J15 and J14
  • M40 southbound within J15
Feed validity status
Planned
Overall feed start
Wed, Aug 12, 2026 9:15 PM
Overall feed end
Thu, Aug 13, 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

3 coordinate pairs
Description
M40 southbound between J14 and J13
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
{29BC8947-42E2-47D3-8157-8F736B8FF377}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
34 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.256286 -1.585394
52.256185 -1.584985
52.256167 -1.584927

Segment 2

13 coordinate pairs
Description
M40 southbound between J13 and J12
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
{3E2C4451-C319-4506-8EA7-519B0A7B37D5}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
1,209 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.238341 -1.547586
52.23778 -1.546335
52.2373 -1.545322
52.236897 -1.544488
52.236209 -1.543084
52.235788 -1.542262
52.235354 -1.541464
52.234716 -1.540294
52.234086 -1.539152
52.233234 -1.537521
52.232825 -1.536676
52.232302 -1.535545
52.231548 -1.533779

Segment 3

11 coordinate pairs
Description
M40 southbound between J14 and J13
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
{4A12C0BC-3C5E-4FAC-8E98-B6EF5062C734}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
412 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.257268 -1.591202
52.257159 -1.590177
52.257147 -1.59006
52.257018 -1.589094
52.256898 -1.588275
52.256775 -1.587543
52.25677 -1.587514
52.25666 -1.587017
52.256395 -1.585848
52.256322 -1.585555
52.256286 -1.585394

Segment 4

44 coordinate pairs
Description
M40 southbound between J14 and J13
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
{812589AF-B44E-4219-B868-4650470F40BE}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
2,346 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.256167 -1.584927
52.256067 -1.584488
52.255958 -1.584094
52.255775 -1.583451
52.255604 -1.582866
52.255493 -1.582486
52.255448 -1.582355
52.255203 -1.581596
52.254975 -1.580938
52.254812 -1.580476
52.254748 -1.580296
52.254619 -1.579946
52.254458 -1.579508
52.254177 -1.578807
52.253832 -1.577961
52.253587 -1.577406
52.253216 -1.57659
52.25318 -1.576512
52.253025 -1.576181
52.252727 -1.575569
52.252301 -1.574767
52.25203 -1.574272
52.251822 -1.573911
52.251559 -1.573456
52.251378 -1.57315
52.251134 -1.572757
52.250592 -1.571942
52.250375 -1.571607
52.250131 -1.571272
52.24855 -1.56912
52.248477 -1.569017
52.247691 -1.567898
52.246796 -1.566588
52.246652 -1.566355
52.246398 -1.565948
52.245675 -1.56471
52.245213 -1.563894
52.244652 -1.562845
52.244235 -1.562029
52.243728 -1.560965
52.243428 -1.560294
52.243265 -1.559915
52.24283 -1.55888
52.242784 -1.558778

Segment 5

5 coordinate pairs
Description
M40 southbound between J13 and J12
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
{4F720C61-9DDF-4387-80C0-5A71FE6C80A1}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
313 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.231548 -1.533779
52.231082 -1.532548
52.230588 -1.531147
52.230275 -1.530184
52.230148 -1.529797

Segment 6

8 coordinate pairs
Description
M40 southbound between J14 and J13
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
{17E0265F-96CB-4BBE-AF00-5C5E3D17A322}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
412 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.241072 -1.554256
52.241023 -1.554109
52.240442 -1.552592
52.239951 -1.551337
52.23977 -1.550914
52.239534 -1.550316
52.239235 -1.549616
52.239044 -1.549194

Segment 7

2 coordinate pairs
Description
M40 southbound between J13 and J12
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
{55C8453B-A4F6-47F5-834C-87F6EEDD6508}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
134 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.239044 -1.549194
52.238341 -1.547586

Segment 8

24 coordinate pairs
Description
M40 southbound between J15 and J14
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
{AC2AFE07-D031-41D3-A8D0-E144DC89178D}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
1,061 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.258032 -1.606475
52.257866 -1.605847
52.257656 -1.604955
52.25762 -1.604765
52.257519 -1.604341
52.257428 -1.603873
52.257327 -1.603317
52.257226 -1.602688
52.257171 -1.602234
52.257115 -1.601649
52.257095 -1.601224
52.257076 -1.600829
52.257065 -1.600155
52.25708 -1.599305
52.257156 -1.597986
52.257225 -1.597048
52.257319 -1.595538
52.257344 -1.594951
52.25736 -1.594453
52.257356 -1.593267
52.257354 -1.592827
52.257325 -1.592036
52.257296 -1.591568
52.257268 -1.591202

Segment 9

4 coordinate pairs
Description
M40 southbound within J15
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
{763FE4E9-2FD1-46C2-9308-827052411C29}
Linear Element Type
B Carriageway
From Distance
285 m
To Distance
410 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.258445 -1.608181
52.258313 -1.607674
52.258111 -1.60687
52.258032 -1.606475

Segment 10

5 coordinate pairs
Description
M40 southbound between J14 and J13
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
{FE1D4EA4-3848-443E-8270-2E6B6A542A0A}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
362 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.242784 -1.558778
52.242594 -1.558282
52.242231 -1.557333
52.241695 -1.555918
52.241072 -1.554256
Geometry type
MultiLineString
Geometry points
119
First coordinate pair
-1.585394, 52.256286
Road section segments
1
Road section points
119
View geometry JSON 
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View road section coordinates 
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]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
3
Record created
Fri, Aug 29, 2025 8:38 AM
Record versioned
Wed, Aug 12, 2026 3:06 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 Southbound Jct 9, carriageway closure between exit and entry slips.

Planned Roadworks National Highways
Bicester M40 · M40 Southbound Between J9 And J8A

Expected to clear in 1 hour 23 minutes

Started 11 Aug 2026, 21:15 Expected clear 12 Aug 2026, 05:00

M40 Southbound Jct 9, carriageway closure between exit and entry slips.

Category: Road Maintenance
View update

M40 Westbound Jct 1a to M25 Clockwise and Anti-Clockwise Jct 16 Link Road Closure

Planned Roadworks National Highways
South Bucks M40 · Link Road From M40 J1A Northbound To M25 J16 Anti-Clockwise

Starts in 17 hours 23 minutes

Starts 12 Aug 2026, 21:00 Expected clear 13 Aug 2026, 04:30

M40 Westbound Jct 1a to M25 Clockwise and Anti-Clockwise Jct 16 Link Road Closure

Category: Road Maintenance
View update

M40 Southbound, Jct 5 lane 1 closure on entry slip road

Planned Roadworks National Highways
Wycombe M40 · M40 J5 Southbound Exit

Starts in 16 hours 23 minutes

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

M40 Southbound, Jct 5 lane 1 closure on entry slip road

Category: Road Maintenance
View update

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

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

Starts in 16 hours 23 minutes

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

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

Category: Road Maintenance
View update

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

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

Starts in 16 hours 23 minutes

Starts 12 Aug 2026, 20:00 Expected clear 13 Aug 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 4 to Jct 3 lane 3 and 2 closure

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

Expected to clear in 1 day 1 hour

Started 12 Aug 2026, 19:00 Expected clear 13 Aug 2026, 05:00

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

Category: Road Maintenance
View update