M40 lane closures southbound (up to 4.05k)
PlannedM40 lane closures southbound (up to 4.05k)
- Start time
- Mon, Aug 3, 2026 8:00 PM
- Expected end
- Tue, Aug 4, 2026 5:00 AM
- Duration
- 9 hours
- Road
- M40 – M40 Southbound Between J16 And J15
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- Lanes affected
- 2 of 2 lanes affected
- Reason
- Repair Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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Planning history
EPC ratings & more
- First published
- Thu, Jun 18, 2026 7:38 AM
- Last updated
- Mon, Aug 3, 2026 4:16 PM
- Cleared
- Tue, Aug 4, 2026 5:00 AM
- Latest update: M40 lane closures southbound (up to 4.05k)
- Coordinates
- 52.303473, -1.697501
- Latitude span
- 52.292006 – 52.318247
- Longitude span
- -1.718107 – -1.677172
- Bounding box centre
- 52.305127, -1.697640
- Location descriptions
-
- M40 southbound between J16 and J15
- Feed validity status
- Planned
- Overall feed start
- Mon, Aug 3, 2026 8:00 PM
- Overall feed end
- Tue, Aug 4, 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
3 coordinate pairs- Description
- M40 southbound between J16 and J15
- 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
- {6C9E1CF2-13E2-44A1-9D35-E7620FCB9F14}
- Linear Element Type
- B Carriageway
- From Distance
- 1,280 m
- To Distance
- 1,339 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.318247 -1.718107 52.318063 -1.717894 52.31781 -1.717617
Segment 2
18 coordinate pairs- Description
- M40 southbound between J16 and J15
- 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
- {A9903519-5A55-4032-AE5E-A2C91E53CD42}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,229 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.308202 -1.705579 52.307917 -1.705022 52.307275 -1.703721 52.306327 -1.701821 52.305505 -1.700315 52.305405 -1.70014 52.304936 -1.699366 52.304485 -1.698665 52.30425 -1.6983 52.303808 -1.697672 52.303555 -1.697322 52.303239 -1.69687 52.302797 -1.696271 52.301868 -1.69506 52.301345 -1.69436 52.30074 -1.693558 52.300668 -1.693455 52.300332 -1.693015
Segment 3
27 coordinate pairs- Description
- M40 southbound between J16 and J15
- 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
- {53A25D84-B6B0-4916-9A66-916B3FA88EF5}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,435 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.300332 -1.693015 52.300109 -1.692715 52.299802 -1.692274 52.29936 -1.691661 52.298485 -1.690407 52.298412 -1.690304 52.297726 -1.689267 52.297501 -1.688932 52.297158 -1.688362 52.29713 -1.688318 52.296769 -1.687734 52.296042 -1.686516 52.295469 -1.685559 52.295026 -1.684741 52.295003 -1.684697 52.294601 -1.683922 52.294258 -1.683192 52.293943 -1.682505 52.293896 -1.682403 52.293742 -1.682052 52.293589 -1.681701 52.293018 -1.680239 52.292887 -1.679873 52.292792 -1.67961 52.292529 -1.678849 52.292221 -1.677884 52.292006 -1.677172
Segment 4
20 coordinate pairs- Description
- M40 southbound between J16 and J15
- 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
- {20C46F79-FCA4-41F0-9F26-BAED2F5444E4}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,353 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.31781 -1.717617 52.31671 -1.716414 52.31617 -1.715823 52.312645 -1.712076 52.312095 -1.711463 52.312023 -1.711378 52.31159 -1.710865 52.311076 -1.710208 52.310815 -1.709873 52.310634 -1.709624 52.3104 -1.709283 52.310364 -1.70923 52.310039 -1.708763 52.309895 -1.708544 52.309768 -1.708325 52.309597 -1.708062 52.308793 -1.706718 52.308649 -1.70644 52.308296 -1.705767 52.308202 -1.705579
- Geometry type
- MultiLineString
- Geometry points
- 68
- First coordinate pair
- -1.718107, 52.318247
- Road section segments
- 1
- Road section points
- 68
View geometry JSON
{
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View road section coordinates
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- 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
- 3
- Record created
- Thu, Jun 18, 2026 7:38 AM
- Record versioned
- Mon, Aug 3, 2026 4:16 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 4 to Jct 5 hardshoulder closure.
Active Roadworks National Highways
Wycombe
M40 · M40 Northbound Between J4 And J5
Expected to clear in 49 minutes 21 seconds
Started 3 Aug 2026, 08:35
Expected clear 3 Aug 2026, 18:00
M40 Northbound Jct 4 to Jct 5 hardshoulder 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 49 minutes 21 seconds
Started 3 Aug 2026, 06:00
Expected clear 3 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 2 days 5 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 Southbound Jct 12 to Jct 11 lane 3 and 2 closure
Planned Roadworks National Highways
Bicester
M40 · M40 Southbound Between J12 And J11
Starts in 4 hours 4 minutes
Starts 3 Aug 2026, 21:15
Expected clear 4 Aug 2026, 05:00
M40 Southbound Jct 12 to Jct 11 lane 3 and 2 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 4 hours 4 minutes
Starts 3 Aug 2026, 21:15
Expected clear 4 Aug 2026, 05:00
M40 northbound, Jct 5 exit slip road closure
Category: Road Maintenance
View update
M40 northbound, Jct 4 A404 entry slip road closure
Planned Roadworks National Highways
Wycombe
M40 · M40 J4 Northbound Access
Starts in 4 hours 4 minutes
Starts 3 Aug 2026, 21:15
Expected clear 4 Aug 2026, 05:00
M40 northbound, Jct 4 A404 entry slip road closure
Category: Road Maintenance
View update