M40 Southbound Jct 4 to Jct 3 lane 3 and 2 closure
ClearedM40 Southbound Jct 4 to Jct 3 lane 3 and 2 closure
- Start time
- Wed, Aug 12, 2026 7:00 PM
- Expected end
- Thu, Aug 13, 2026 5:00 AM
- Duration
- 10 hours
- Road
- M40 – M40 Southbound Between J4 And J3
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- Lanes affected
- 2 of 2 lanes affected
- Reason
- Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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- First published
- Sun, Jun 28, 2026 12:16 PM
- Last updated
- Wed, Aug 12, 2026 1:56 AM
- Cleared
- Thu, Aug 13, 2026 5:00 AM
- Latest update: M40 Southbound Jct 4 to Jct 3 lane 3 and 2 closure
- Coordinates
- 51.612485, -0.739686
- Latitude span
- 51.610346 – 51.614715
- Longitude span
- -0.756162 – -0.721229
- Bounding box centre
- 51.612531, -0.738696
- Location descriptions
-
- M40 southbound between J4 and J3
- Feed validity status
- Suspended
- Overall feed start
- Wed, Aug 12, 2026 7:00 PM
- Overall feed end
- Thu, Aug 13, 2026 5:00 AM
- Feed window length
- 10 hours
- Probability code (raw)
- certain
- 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
20 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
- Start1 End2
- Linear Element Road
- M40
- Linear Element Model
- The Network Model
- Linear Element Id
- {C25C0F84-5D47-44F9-9188-AABE95730AAF}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 847 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.614338 -0.747096 51.61429 -0.746794 51.614204 -0.746335 51.614104 -0.74589 51.614024 -0.745531 51.613893 -0.744985 51.613865 -0.744885 51.613594 -0.743925 51.613435 -0.743438 51.613259 -0.742938 51.613167 -0.742687 51.612398 -0.740607 51.612046 -0.739592 51.611952 -0.739276 51.61185 -0.738947 51.611663 -0.738302 51.611504 -0.737729 51.611382 -0.737241 51.611222 -0.736553 51.611112 -0.736059
Segment 2
23 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
- {3C0A2FD9-5AA3-4A24-9F09-2BD275B51D79}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 976 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.611112 -0.736059 51.611022 -0.73559 51.610917 -0.735001 51.61084 -0.734541 51.610792 -0.734225 51.610695 -0.733621 51.610556 -0.732325 51.610495 -0.731706 51.61041 -0.730538 51.610387 -0.730048 51.610366 -0.729529 51.61035 -0.729154 51.610346 -0.728735 51.610351 -0.728359 51.610354 -0.727796 51.610358 -0.727391 51.610379 -0.726929 51.610394 -0.726582 51.610456 -0.725656 51.610528 -0.724787 51.610674 -0.72331 51.610704 -0.72284 51.61076 -0.722123
Segment 3
19 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
- Start1 End1
- Linear Element Road
- M40
- Linear Element Model
- The Network Model
- Linear Element Id
- {C56D6C52-AED0-4CF4-8BB7-0E05B028A253}
- Linear Element Type
- B Carriageway
- From Distance
- 366 m
- To Distance
- 1,002 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.614318 -0.756162 51.614418 -0.755529 51.614468 -0.755138 51.614518 -0.754732 51.614616 -0.753776 51.614632 -0.753617 51.614647 -0.753371 51.614692 -0.752532 51.614715 -0.752083 51.614711 -0.751751 51.614702 -0.750871 51.614692 -0.75064 51.614665 -0.74999 51.614654 -0.749745 51.614622 -0.749269 51.614552 -0.748593 51.614537 -0.748477 51.614414 -0.747513 51.614338 -0.747096
Segment 4
2 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
- 0 m
- To Distance
- 62 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.61076 -0.722123 51.610807 -0.721229
- Geometry type
- MultiLineString
- Geometry points
- 64
- First coordinate pair
- -0.747096, 51.614338
- Road section segments
- 1
- Road section points
- 64
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
- Certain
- Validity status
- Suspended
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Sun, Jun 28, 2026 12:16 PM
- Record versioned
- Wed, Aug 12, 2026 1:56 AM
- Coordinate source
- Geometry
Driving on the M40? See every live closure, roadwork and planned restriction on this road.
M40 live closuresRelated incidents
M40 Southbound Jct 15 to Jct 13 lane 3 and 2 closure
Planned Roadworks National Highways
Royal Leamington Spa
M40 · M40 Southbound Between J14 And J13
Starts in 16 hours 31 minutes
Starts 12 Aug 2026, 21:15
Expected clear 13 Aug 2026, 05:00
M40 Southbound Jct 15 to Jct 13 lane 3 and 2 closure
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 16 hours 16 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 11 to Jct 10, hard shoulder, lane 3 and 2 closure.
Planned Roadworks National Highways
Bicester
M40 · M40 Southbound Between J11 And J10
Starts in 15 hours 16 minutes
Starts 12 Aug 2026, 20:00
Expected clear 13 Aug 2026, 05:00
M40 Southbound, Jct 11 to Jct 10, hard shoulder, lane 3 and 2 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 15 hours 16 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 15 hours 16 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 15 hours 16 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