M42 northbound to M40 southbound Jct 3a between the exit and entry link roads carriageway closure
ClearedM42 northbound to M40 southbound Jct 3a between the exit and entry link roads carriageway closure
- Start time
- Thu, Mar 5, 2026 9:00 PM
- Expected end
- Fri, Mar 6, 2026 6:00 AM
- Duration
- 9 hours
- Road
- M40 – Link Road From M42 J3A Northbound To M40 Southbound
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- 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, Mar 4, 2026 9:00 PM
- Last updated
- Thu, Mar 5, 2026 1:10 AM
- Cleared
- Fri, Mar 6, 2026 6:00 AM
- Latest update: M42 northbound to M40 southbound Jct 3a between the exit and entry link roads carriageway closure
- Coordinates
- 52.347342, -1.807414
- Latitude span
- 52.345596 – 52.347824
- Longitude span
- -1.820494 – -1.796614
- Bounding box centre
- 52.346710, -1.808554
- Location descriptions
-
- link road from M42 J3A northbound to M40 southbound
- M42 northbound between J3 and J3A
- M40 southbound between M42 and J16
- Feed validity status
- Planned
- Overall feed start
- Thu, Mar 5, 2026 9:00 PM
- Overall feed end
- Fri, Mar 6, 2026 6:00 AM
- Feed window length
- 9 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
9 coordinate pairs- Description
- link road from M42 J3A northbound to M40 southbound
- Carriageway
- Dual Carriageway
- 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
- {08007663-D81D-4951-BC60-C19FAA892AB4}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 330 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.347756 -1.812262 52.347816 -1.810574 52.347824 -1.809957 52.347823 -1.809546 52.347823 -1.809428 52.347822 -1.808973 52.347803 -1.808386 52.347775 -1.807711 52.347762 -1.807421
Segment 2
5 coordinate pairs- Description
- M42 northbound between J3 and J3A
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- M42
- Linear Element Model
- The Network Model
- Linear Element Id
- {43BC30E1-D300-456F-AEA4-BE4D25A73358}
- Linear Element Type
- A Carriageway
- From Distance
- 400 m
- To Distance
- 706 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.34749 -1.820494 52.347489 -1.820293 52.347514 -1.818869 52.347605 -1.816145 52.347612 -1.815993
Segment 3
5 coordinate pairs- Description
- link road from M42 J3A northbound to M40 southbound
- Carriageway
- Dual Carriageway
- 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
- {DA77FF78-4910-456E-96D1-E462141FDE1E}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 59 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.347762 -1.807421 52.347747 -1.80708 52.347736 -1.806904 52.347729 -1.806786 52.34771 -1.806552
Segment 4
12 coordinate pairs- Description
- M40 southbound between M42 and J16
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 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
- {9EC85EA8-765F-4FDC-9F8E-D63248D2B01A}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 488 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.347318 -1.803177 52.347282 -1.802913 52.347092 -1.801945 52.346919 -1.801153 52.346856 -1.800918 52.346603 -1.799848 52.346476 -1.799253 52.346277 -1.798689 52.346159 -1.798264 52.345915 -1.797546 52.345798 -1.79718 52.345596 -1.796614
Segment 5
5 coordinate pairs- Description
- link road from M42 J3A northbound to M40 southbound
- Carriageway
- Dual Carriageway
- 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
- {6D73E3AB-CBEA-4EB3-A6FA-AB01C6EB41EC}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 254 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.347612 -1.815993 52.347631 -1.815228 52.347643 -1.814758 52.347756 -1.812306 52.347756 -1.812262
Segment 6
5 coordinate pairs- Description
- link road from M42 J3A northbound to M40 southbound
- Carriageway
- Dual Carriageway
- 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
- {5E7F88FC-FAF3-42EC-BE01-E490230FAD6A}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 234 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.34771 -1.806552 52.347692 -1.806302 52.347528 -1.804805 52.347466 -1.804299 52.347318 -1.803177
- Geometry type
- MultiLineString
- Geometry points
- 41
- First coordinate pair
- -1.812262, 52.347756
- Road section segments
- 1
- Road section points
- 41
View geometry JSON
{
"type": "MultiLineString",
"coordinates": [
[
[
-1.812262,
52.347756
],
[
-1.810574,
52.347816
],
[
-1.809957,
52.347824
],
[
-1.809546,
52.347823
],
[
-1.809428,
52.347823
],
[
-1.808973,
52.347822
],
[
-1.808386,
52.347803
],
[
-1.807711,
52.347775
],
[
-1.807421,
52.347762
],
[
-1.820494,
52.34749
],
[
-1.820293,
52.347489
],
[
-1.818869,
52.347514
],
[
-1.816145,
52.347605
],
[
-1.815993,
52.347612
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[
-1.807421,
52.347762
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[
-1.80708,
52.347747
],
[
-1.806904,
52.347736
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[
-1.806786,
52.347729
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[
-1.806552,
52.34771
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52.347318
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[
-1.802913,
52.347282
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[
-1.801945,
52.347092
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[
-1.801153,
52.346919
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[
-1.800918,
52.346856
],
[
-1.799848,
52.346603
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[
-1.799253,
52.346476
],
[
-1.798689,
52.346277
],
[
-1.798264,
52.346159
],
[
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52.345915
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52.345798
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-1.812306,
52.347756
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-1.812262,
52.347756
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[
-1.806552,
52.34771
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[
-1.806302,
52.347692
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[
-1.804805,
52.347528
],
[
-1.804299,
52.347466
],
[
-1.803177,
52.347318
]
]
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}
View road section coordinates
[
[
[
-1.812262,
52.347756
],
[
-1.810574,
52.347816
],
[
-1.809957,
52.347824
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[
-1.809546,
52.347823
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[
-1.809428,
52.347823
],
[
-1.808973,
52.347822
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[
-1.808386,
52.347803
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[
-1.807711,
52.347775
],
[
-1.807421,
52.347762
],
[
-1.820494,
52.34749
],
[
-1.820293,
52.347489
],
[
-1.818869,
52.347514
],
[
-1.816145,
52.347605
],
[
-1.815993,
52.347612
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[
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52.347762
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-1.80708,
52.347747
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[
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52.347736
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52.347729
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52.34771
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52.347318
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52.347282
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52.347092
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52.346603
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[
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52.346277
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52.346159
],
[
-1.797546,
52.345915
],
[
-1.79718,
52.345798
],
[
-1.796614,
52.345596
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[
-1.815993,
52.347612
],
[
-1.815228,
52.347631
],
[
-1.814758,
52.347643
],
[
-1.812306,
52.347756
],
[
-1.812262,
52.347756
],
[
-1.806552,
52.34771
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[
-1.806302,
52.347692
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[
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52.347528
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52.347466
],
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52.347318
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]
]
- Cause type
- Road Maintenance
- Detailed cause
- Maintenance Work
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 4
- Record created
- Wed, Mar 4, 2026 9:00 PM
- Record versioned
- Thu, Mar 5, 2026 1:10 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 4 to Jct 2 lane 3 closure
Planned Roadworks National Highways
Chiltern
M40 · M40 Southbound Between J4 And J3
Starts in 19 hours 28 minutes
Starts 15 Jun 2026, 21:15
Expected clear 16 Jun 2026, 05:00
M40 Southbound Jct 4 to Jct 2 lane 3 closure
Category: Road Maintenance
View update
A404 to M40 northbound entry slip road closure
Planned Roadworks National Highways
Wycombe
M40 · M40 J4 Northbound Access
Starts in 19 hours 28 minutes
Starts 15 Jun 2026, 21:15
Expected clear 16 Jun 2026, 05:00
A404 to M40 northbound entry slip road closure
Category: Road Maintenance
View update
M40 Southbound Jct 5, carriageway closure between exit and entry slip roads.
Planned Roadworks National Highways
Wycombe
M40 · M40 Southbound Within J5
Starts in 19 hours 28 minutes
Starts 15 Jun 2026, 21:15
Expected clear 16 Jun 2026, 04:00
M40 Southbound Jct 5, carriageway closure between exit and entry slip roads.
Category: Road Maintenance
View update
M40 Southbound, Jct 3 to Jct 4 lane 3 closure
Planned Roadworks National Highways
Chiltern
M40 · M40 Southbound Between J4 And J3
Starts in 19 hours 28 minutes
Starts 15 Jun 2026, 21:15
Expected clear 16 Jun 2026, 05:00
M40 Southbound, Jct 3 to Jct 4 lane 3 closure
Category: Road Maintenance
View update
M40 northbound Jct 11 exit slip road closure
Planned Roadworks National Highways
Bicester
M40 · M40 Northbound Between J10 And J11
Starts in 19 hours 28 minutes
Starts 15 Jun 2026, 21:15
Expected clear 16 Jun 2026, 05:00
M40 northbound Jct 11 exit slip road closure
Category: Road Maintenance
View update
M42 northbound Jct 3a link road closure
Planned Roadworks National Highways
Stratford-Upon-Avon
M42 · M42 Northbound Between J3A And J4
Starts in 18 hours 13 minutes
Starts 15 Jun 2026, 20:00
Expected clear 16 Jun 2026, 05:00
M42 northbound Jct 3a link road closure
Category: Road Maintenance
View update