M40 southbound, Jct 9 to Jct 8a, lane 1 and 2 closure
ClearedM40 southbound, Jct 9 to Jct 8a, lane 1 and 2 closure
- Start time
- Wed, May 13, 2026 8:00 PM
- Expected end
- Thu, May 14, 2026 5:00 AM
- Duration
- 9 hours
- Road
- M40 – M40 Southbound Between J9 And J8A
- 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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Flood risk assessment
Planning history
EPC ratings & more
- First published
- Tue, May 12, 2026 8:29 AM
- Last updated
- Thu, May 14, 2026 2:09 AM
- Cleared
- Thu, May 14, 2026 5:00 AM
- Latest update: M40 southbound, Jct 9 to Jct 8a, lane 1 and 2 closure
- Coordinates
- 51.825159, -1.117110
- Latitude span
- 51.799169 – 51.843788
- Longitude span
- -1.151176 – -1.090606
- Bounding box centre
- 51.821479, -1.120891
- Location descriptions
-
- M40 southbound between J9 and J8A
- Feed validity status
- Planned
- Overall feed start
- Wed, May 13, 2026 8:00 PM
- Overall feed end
- Thu, May 14, 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
17 coordinate pairs- Description
- M40 southbound between J9 and J8A
- 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
- {069BAF9D-3E86-48F3-905E-504DE543D400}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,328 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.809613 -1.099939 51.80906 -1.099327 51.808879 -1.09914 51.808743 -1.098999 51.808063 -1.098302 51.807719 -1.097976 51.807067 -1.097379 51.806135 -1.096571 51.805447 -1.095976 51.803157 -1.094014 51.802523 -1.093471 51.802056 -1.093071 51.801329 -1.092447 51.800894 -1.092077 51.799536 -1.09092 51.799434 -1.090832 51.799169 -1.090606
Segment 2
17 coordinate pairs- Description
- M40 southbound between J9 and J8A
- 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
- {17AECF8A-FEBB-4DD6-95AF-7235B62207BD}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 769 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.841759 -1.143144 51.841757 -1.143137 51.841728 -1.143049 51.841379 -1.142025 51.840985 -1.140959 51.840609 -1.139964 51.84038 -1.139417 51.840161 -1.138899 51.839767 -1.137977 51.839447 -1.137287 51.839192 -1.13674 51.838881 -1.136122 51.838717 -1.135791 51.838535 -1.135446 51.838216 -1.134843 51.837869 -1.134211 51.837774 -1.134047
Segment 3
34 coordinate pairs- Description
- M40 southbound between J9 and J8A
- 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
- {0278D843-0751-4C8A-9B92-0FA614CA3C67}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,906 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.833408 -1.125487 51.833207 -1.124997 51.83285 -1.124162 51.832539 -1.123399 51.832076 -1.122213 51.83136 -1.120297 51.830927 -1.119176 51.830752 -1.118729 51.830314 -1.117663 51.830092 -1.117161 51.829754 -1.116455 51.829637 -1.116202 51.829317 -1.115584 51.828916 -1.114865 51.828577 -1.11429 51.828176 -1.113631 51.82783 -1.113101 51.827376 -1.112457 51.827022 -1.11197 51.826713 -1.11157 51.826468 -1.11127 51.825878 -1.110585 51.825362 -1.110029 51.824918 -1.109574 51.824546 -1.109233 51.824157 -1.108878 51.823723 -1.108524 51.82337 -1.10824 51.822918 -1.107901 51.822543 -1.107633 51.822484 -1.10759 51.822168 -1.107379 51.821626 -1.107071 51.821319 -1.106903
Segment 4
12 coordinate pairs- Description
- M40 southbound between J9 and J8A
- 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
- {9994A27B-1BAD-447E-8969-AF51D25B4F93}
- Linear Element Type
- B Carriageway
- From Distance
- 335 m
- To Distance
- 933 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.843788 -1.151176 51.843671 -1.150532 51.843568 -1.15004 51.843457 -1.149505 51.843189 -1.148305 51.843141 -1.148089 51.842955 -1.147294 51.842687 -1.146268 51.842474 -1.145488 51.842327 -1.144983 51.841922 -1.143655 51.841759 -1.143144
Segment 5
28 coordinate pairs- Description
- M40 southbound between J9 and J8A
- 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
- {92EAB42B-7911-4907-ADB7-CAC1B5FBBCF9}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,401 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.821319 -1.106903 51.820904 -1.106679 51.820371 -1.106428 51.819848 -1.106206 51.81919 -1.105944 51.819163 -1.105932 51.818414 -1.105625 51.818187 -1.105543 51.816412 -1.104896 51.815276 -1.104498 51.814843 -1.104318 51.814537 -1.104164 51.814473 -1.104133 51.814085 -1.103941 51.813643 -1.103674 51.813354 -1.103491 51.813019 -1.103266 51.812676 -1.103012 51.81254 -1.102913 51.812214 -1.102644 51.811734 -1.102218 51.811544 -1.102048 51.811146 -1.10165 51.810738 -1.101223 51.810493 -1.100936 51.81042 -1.100852 51.809749 -1.100082 51.809613 -1.099939
Segment 6
10 coordinate pairs- Description
- M40 southbound between J9 and J8A
- 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
- {FCAAF105-39D2-442F-82C0-91CD46CA55ED}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 764 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.837774 -1.134047 51.837359 -1.133335 51.83674 -1.132244 51.836056 -1.13098 51.835865 -1.130592 51.835372 -1.129658 51.834833 -1.128565 51.834322 -1.127515 51.833874 -1.126537 51.833408 -1.125487
- Geometry type
- MultiLineString
- Geometry points
- 118
- First coordinate pair
- -1.099939, 51.809613
- Road section segments
- 1
- Road section points
- 118
View geometry JSON
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View road section coordinates
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[
-1.129658,
51.835372
],
[
-1.128565,
51.834833
],
[
-1.127515,
51.834322
],
[
-1.126537,
51.833874
],
[
-1.125487,
51.833408
]
]
]
- 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, May 12, 2026 8:29 AM
- Record versioned
- Thu, May 14, 2026 2:09 AM
- 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 exit slip road lane 1 closure
Planned Roadworks National Highways
Bicester
M40 · M40 J11 Northbound Exit
Expected to clear in 1 hour 31 minutes
Started 14 Jun 2026, 18:30
Expected clear 15 Jun 2026, 05:00
M40 Northbound Jct 11 exit slip road lane 1 closure
Category: Road Maintenance
View update
M40 Southbound Jct 4 to Jct 2 lane 3 closure
Planned Roadworks National Highways
Chiltern
M40 · M40 Southbound Between J4 And J3
Starts in 17 hours 46 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 17 hours 46 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 17 hours 46 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 17 hours 46 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 17 hours 46 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