M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.
ClearedM40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.
- Start time
- Wed, Oct 7, 2026 8:00 PM
- Expected end
- Thu, Oct 8, 2026 5:00 AM
- Duration
- 4 hours 2 seconds
- Road
- M40 – M40 Southbound Between J4 And J3
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- Lanes affected
- 2 of 2 lanes affected, 2 of 3 lanes affected
- Reason
- Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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EPC ratings & more
- First published
- Wed, Oct 7, 2026 5:46 AM
- Last updated
- Wed, Oct 7, 2026 11:32 PM
- Cleared
- Thu, Oct 8, 2026 12:00 AM
- Latest update: M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.
- Coordinates
- 51.606052, -0.702615
- Latitude span
- 51.601943 – 51.610836
- Longitude span
- -0.721244 – -0.686294
- Bounding box centre
- 51.606390, -0.703769
- Location descriptions
-
- M40 southbound between J4 and J3
- M40 southbound between J3 and J2
- Feed validity status
- Planned
- Overall feed start
- Wed, Oct 7, 2026 8:00 PM
- Overall feed end
- Thu, Oct 8, 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
4 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- {6BACD5B7-A90A-4796-9F13-4AC19CBE973A}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 96 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.60374 -0.697816 51.603669 -0.697139 51.603638 -0.696765 51.603616 -0.696433
Segment 2
4 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- {92F0AC42-5993-458F-BAE9-62ECEB8BE432}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 81 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.603616 -0.696433 51.603594 -0.696001 51.603579 -0.69551 51.603571 -0.695265
Segment 3
12 coordinate pairs- Description
- M40 southbound between J3 and J2
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 3 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
- {2C48279E-366D-4994-9488-9A2A0A1AF7DE}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 390 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.603309 -0.691446 51.60328 -0.691245 51.603173 -0.690511 51.603096 -0.69008 51.60303 -0.689808 51.602907 -0.689292 51.602785 -0.688819 51.602636 -0.688303 51.602552 -0.688031 51.602421 -0.687645 51.602347 -0.687445 51.601943 -0.686294
Segment 4
39 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- {AFF1A8DA-CCFC-423A-9F50-362025013A08}
- Linear Element Type
- B Carriageway
- From Distance
- 61 m
- To Distance
- 1,577 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.610806 -0.721244 51.610817 -0.721038 51.61083 -0.720368 51.610836 -0.719189 51.61081 -0.718511 51.610767 -0.717863 51.610657 -0.716797 51.610587 -0.716221 51.610577 -0.716092 51.610557 -0.715933 51.610518 -0.715631 51.610441 -0.715171 51.610335 -0.714568 51.610174 -0.713821 51.610108 -0.71352 51.609892 -0.712645 51.609779 -0.712229 51.609592 -0.711585 51.609527 -0.711399 51.609416 -0.711041 51.609175 -0.710384 51.608999 -0.709912 51.60874 -0.709298 51.608583 -0.708927 51.608334 -0.708386 51.608086 -0.707887 51.607866 -0.707489 51.607563 -0.706949 51.607307 -0.706523 51.607096 -0.706197 51.606666 -0.70553 51.606301 -0.705006 51.606191 -0.704822 51.606072 -0.704652 51.605715 -0.704041 51.605348 -0.703387 51.605274 -0.703245 51.605016 -0.702689 51.604915 -0.702418
Segment 5
11 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- {4D7FCF92-50DA-4054-B926-7E575561BBC4}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 347 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.604915 -0.702418 51.604804 -0.702147 51.604674 -0.701818 51.604479 -0.701246 51.60418 -0.700244 51.604123 -0.7 51.604086 -0.699842 51.603963 -0.699297 51.603915 -0.699038 51.603828 -0.698507 51.60374 -0.697816
Segment 6
5 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- {7BF36F41-17A5-4720-858D-FA8776B0873F}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 152 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.603504 -0.693621 51.603483 -0.693304 51.60343 -0.692627 51.603339 -0.691705 51.603309 -0.691446
Segment 7
5 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- {22056D7E-069F-402E-AF8A-324043E452B7}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 114 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.603571 -0.695265 51.603542 -0.694631 51.603518 -0.694083 51.603505 -0.693664 51.603504 -0.693621
- Geometry type
- MultiLineString
- Geometry points
- 80
- First coordinate pair
- -0.697816, 51.603740
- Road section segments
- 1
- Road section points
- 80
View geometry JSON
{
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View road section coordinates
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- Cause type
- Road Maintenance
- Detailed cause
- Maintenance Work
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Wed, Oct 7, 2026 5:46 AM
- Record versioned
- Wed, Oct 7, 2026 11:32 PM
- Coordinate source
- Geometry
Driving on the M40? See every live closure, roadwork and planned restriction on this road.
M40 live closuresRelated incidents
M40 Northbound, Jct 11 entry slip road closure
Planned Roadworks National Highways
Bicester
M40 · M40 J11 Northbound Access
Starts in 3 hours 45 minutes
Starts 12 Oct 2026, 21:15
Expected clear 13 Oct 2026, 05:00
M40 Northbound, Jct 11 entry slip road closure
Category: Road Maintenance
View update
M40 Southbound, Jct 11 to Jct 10 hard shoulder, lane 1 and 2 closure
Cleared Roadworks National Highways
Bicester
M40 · M40 Southbound Between J11 And J10
Expected to clear in 11 hours 30 minutes
Started 12 Oct 2026, 20:00
Expected clear 13 Oct 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 5 to Jct 4 hard shoulder and lane 1 and 2 closure
Planned Roadworks National Highways
Wycombe
M40 · M40 Southbound Between J5 And J4
Starts in 2 hours 30 minutes
Starts 12 Oct 2026, 20:00
Expected clear 13 Oct 2026, 05:00
M40 Southbound Jct 5 to Jct 4 hard shoulder and lane 1 and 2 closure
Category: Road Maintenance
View update
M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.
Planned Roadworks National Highways
Chiltern
M40 · M40 Southbound Between J4 And J3
Starts in 2 hours 30 minutes
Starts 12 Oct 2026, 20:00
Expected clear 13 Oct 2026, 05:00
M40 Southbound Jct 4 to Jct 3 lane 3 and lane 2 closures.
Category: Road Maintenance
View update
A40 Eastbound Jct 1 exit slip road lane 1 closure
Planned Roadworks National Highways
Hillingdon
M40 · M40 Southbound Between J1A And J1
Starts in 2 hours 30 minutes
Starts 12 Oct 2026, 20:00
Expected clear 13 Oct 2026, 04:30
A40 Eastbound Jct 1 exit slip road lane 1 closure
Category: Road Maintenance
View update
M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure
Planned Roadworks National Highways
Wycombe
M40 · M40 Southbound Between J5 And J4
Starts in 2 hours 30 minutes
Starts 12 Oct 2026, 20:00
Expected clear 13 Oct 2026, 05:00
M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure
Category: Construction Work
View update