M40 Southbound Jct 1a to M25 A & B exit slip road closure

Cleared

M40 Southbound Jct 1a to M25 A & B exit slip road closure

Start time
Thu, Jul 16, 2026 10:00 PM
Expected end
Fri, Jul 17, 2026 5:00 AM
Duration
25 minutes 1 second
Road
M40 – Link Road From M40 J1A Southbound To M25 J16
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
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First published
Thu, Jul 16, 2026 9:14 AM
Last updated
Thu, Jul 16, 2026 10:01 PM
Cleared
Thu, Jul 16, 2026 10:25 PM
  • Latest update: M40 Southbound Jct 1a to M25 A & B exit slip road closure
Coordinates
51.564503, -0.551993
Latitude span
51.562575 – 51.568962
Longitude span
-0.566462 – -0.540249
Bounding box centre
51.565769, -0.553356
Location descriptions
  • link road from M40 J1A southbound to M25 J16
  • M40 southbound between J2 and J1A
  • link road from M40 J1A southbound to M25 J16 clockwise
Feed validity status
Planned
Overall feed start
Thu, Jul 16, 2026 10:00 PM
Overall feed end
Fri, Jul 17, 2026 5:00 AM
Feed window length
7 hours
Probability code (raw)
probable
Compliance option (raw)
mandatory
Source identification (raw)
roadworks
Management type value
carriagewayClosures (Carriageway Closures)
Contra-flow flag (raw)
false
Width restriction flag (raw)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

8 coordinate pairs
Description
link road from M40 J1A southbound to M25 J16
Lanes Restricted
3 lanes restricted
Operational Lanes
0 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
{1BE58FE9-8867-4364-99C4-98EF46D44589}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
443 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.563393 -0.550723
51.562997 -0.548234
51.562879 -0.547314
51.562761 -0.546091
51.56275 -0.545932
51.562718 -0.545521
51.562643 -0.544565
51.562642 -0.54445

Segment 2

7 coordinate pairs
Description
M40 southbound between J2 and J1A
Carriageway
Dual Carriageway
Lanes Restricted
5 lanes restricted
Operational Lanes
0 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 3

2 coordinate pairs
Description
link road from M40 J1A southbound to M25 J16 clockwise
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{F6B850E4-6C4F-4F87-8DC2-F27FD6043D66}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
10 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.562616 -0.540397
51.562629 -0.540249

Segment 4

18 coordinate pairs
Description
M40 southbound between J2 and J1A
Carriageway
Dual Carriageway
Lanes Restricted
5 lanes restricted
Operational Lanes
0 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
756 m
To Distance
1,690 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.568962 -0.566462
51.568768 -0.565768
51.568599 -0.565181
51.56828 -0.564095
51.568027 -0.56328
51.567588 -0.561981
51.567309 -0.561182
51.566927 -0.560147
51.566825 -0.55987
51.566574 -0.559229
51.566324 -0.55863
51.566083 -0.55806
51.565981 -0.557819
51.56525 -0.556181
51.565244 -0.556167
51.564844 -0.555272
51.564728 -0.554996
51.564693 -0.554912

Segment 5

10 coordinate pairs
Description
link road from M40 J1A southbound to M25 J16
Lanes Restricted
3 lanes restricted
Operational Lanes
0 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
{AAABB295-C159-4347-BC57-EA229FD540BD}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
281 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.562642 -0.54445
51.56264 -0.54432
51.562595 -0.543585
51.562592 -0.543311
51.562576 -0.542778
51.562575 -0.541956
51.562598 -0.541003
51.562599 -0.54096
51.562613 -0.540642
51.562616 -0.540397

Segment 6

6 coordinate pairs
Description
M40 southbound between J2 and J1A
Carriageway
Dual Carriageway
Lanes Restricted
5 lanes restricted
Operational Lanes
0 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
Geometry type
MultiLineString
Geometry points
51
First coordinate pair
-0.550723, 51.563393
Road section segments
1
Road section points
51
View geometry JSON
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            ],
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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
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Jul 16, 2026 9:14 AM
Record versioned
Thu, Jul 16, 2026 10:01 PM
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 to Jct 8a, hard shoulder closure.

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

Expected to clear in 2 days 6 hours

Started 4 Aug 2026, 06:00 Expected clear 6 Aug 2026, 22:59

M40 Southbound, Jct 9 to Jct 8a, hard shoulder closure.

Category: Road Maintenance
View update

M40 Southbound, Jct 8a exit slip road lane one closure

Planned Roadworks National Highways
Benson M40 · M40 J8A Southbound Exit

Expected to clear in 1 hour 55 minutes

Started 4 Aug 2026, 06:00 Expected clear 4 Aug 2026, 18:00

M40 Southbound, Jct 8a exit slip road lane one closure

Category: Road Maintenance
View update

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

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

Expected to clear in 1 day 6 hours

Started 2 Aug 2026, 08:55 Expected clear 5 Aug 2026, 22:59

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

Category: Road Maintenance
View update

M40 northbound, Jct 5 exit slip road closure

Planned Roadworks National Highways
Wycombe M40 · M40 J5 Northbound Exit

Starts in 5 hours 10 minutes

Starts 4 Aug 2026, 21:15 Expected clear 5 Aug 2026, 05:00

M40 northbound, Jct 5 exit slip road closure

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 5 hours 10 minutes

Starts 4 Aug 2026, 21:15 Expected clear 5 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 lane 1 and lane 2 closures.

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

Starts in 3 hours 55 minutes

Starts 4 Aug 2026, 20:00 Expected clear 5 Aug 2026, 05:00

M40 Southbound Jct 11 to Jct 10 lane 1 and lane 2 closures.

Category: Road Maintenance
View update