M40 Southbound, Jct 4 to Jct 3, lane 3 closure.
ClearedM40 Southbound, Jct 4 to Jct 3, lane 3 closure.
- Start time
- Wed, Sep 16, 2026 8:00 PM
- Expected end
- Thu, Sep 17, 2026 5:00 AM
- Duration
- 9 hours
- Road
- M40 – M40 Southbound Between J4 And J3
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- Lanes affected
- Lane 3 closed, 1 of 3 lanes affected, 1 of 4 lanes affected
- Reason
- Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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Flood risk assessment
Planning history
EPC ratings & more
- First published
- Tue, Sep 8, 2026 4:21 PM
- Last updated
- Thu, Sep 17, 2026 4:49 AM
- Cleared
- Thu, Sep 17, 2026 5:00 AM
- Latest update: M40 Southbound, Jct 4 to Jct 3, lane 3 closure.
- Coordinates
- 51.606052, -0.702615
- Latitude span
- 51.601939 – 51.610836
- Longitude span
- -0.721228 – -0.686281
- Bounding box centre
- 51.606388, -0.703755
- Location descriptions
-
- M40 southbound between J4 and J3
- M40 southbound between J3 and J2
- Feed validity status
- Planned
- Overall feed start
- Wed, Sep 16, 2026 8:00 PM
- Overall feed end
- Thu, Sep 17, 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
5 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- 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
Segment 2
5 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- 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 3
12 coordinate pairs- Description
- M40 southbound between J3 and J2
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl3
- Lane Number
- 3
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 4 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
- 391 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 51.601939 -0.686281
Segment 4
39 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- 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
- 62 m
- To Distance
- 1,577 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.610807 -0.721228 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
4 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- 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 6
11 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- 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 7
4 coordinate pairs- Description
- M40 southbound between J4 and J3
- 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
- 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
- Geometry type
- MultiLineString
- Geometry points
- 80
- First coordinate pair
- -0.695265, 51.603571
- 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
- Tue, Sep 8, 2026 4:21 PM
- Record versioned
- Thu, Sep 17, 2026 4:49 AM
- Coordinate source
- Geometry
Driving on the M40? See every live closure, roadwork and planned restriction on this road.
M40 live closuresRelated incidents
Hard shoulder closure northbound
Planned Roadworks National Highways
Stratford-Upon-Avon
M40 · M40 Northbound Between J16 And M42
Expected to clear in 28 minutes 27 seconds
Started 12 Oct 2026, 08:00
Expected clear 12 Oct 2026, 16:00
Hard shoulder closure northbound
Category: Road Maintenance
View update
M40 Southbound, Jct 10 to Jct 9 hard shoulder closure
Planned Roadworks National Highways
Bicester
M40 · M40 Southbound Between J10 And J9
Expected to clear in 2 hours 28 minutes
Started 12 Oct 2026, 06:00
Expected clear 12 Oct 2026, 18:00
M40 Southbound, Jct 10 to Jct 9 hard shoulder closure
Category: Road Maintenance
View update
M40 Northbound, Jct 11 entry slip road closure
Planned Roadworks National Highways
Bicester
M40 · M40 J11 Northbound Access
Starts in 5 hours 43 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 13 hours 28 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 4 hours 28 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 4 hours 28 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