A404 southbound M40 to Marlow carriageway closure
PlannedA404 southbound M40 to Marlow carriageway closure
- Start time
- Fri, Jun 5, 2026 8:00 PM
- Expected end
- Sat, Jun 6, 2026 5:00 AM
- Duration
- 9 hours
- Road
- A404 – A404 Southbound Between M40 And A4155
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- Reason
- Roadworks
Active
Planned
Cleared
Hover or tap markers for full details
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- First published
- Fri, Jun 5, 2026 6:50 PM
- Last updated
- Fri, Jun 5, 2026 7:38 PM
- Cleared
- Sat, Jun 6, 2026 5:00 AM
- Latest update: A404 southbound M40 to Marlow carriageway closure
- Coordinates
- 51.597934, -0.761817
- Latitude span
- 51.585041 – 51.611775
- Longitude span
- -0.767594 – -0.757503
- Bounding box centre
- 51.598408, -0.762549
- Location descriptions
-
- A404 southbound between M40 and A4155
- A404 southbound within M40 junction
- Feed validity status
- Planned
- Overall feed start
- Fri, Jun 5, 2026 8:00 PM
- Overall feed end
- Sat, Jun 6, 2026 5:00 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
2 coordinate pairs- Description
- A404 southbound between M40 and A4155
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End2
- Linear Element Road
- A404
- Linear Element Model
- The Network Model
- Linear Element Id
- {13BE8CA9-CB89-46D4-8457-F0913B8ABA3E}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 480 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.611174 -0.767431 51.607003 -0.765611
Segment 2
6 coordinate pairs- Description
- A404 southbound within M40 junction
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- A404
- Linear Element Model
- The Network Model
- Linear Element Id
- {A56FAE55-9618-404F-981B-E02BA110CFD8}
- Linear Element Type
- B Carriageway
- From Distance
- 3 m
- To Distance
- 72 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.611775 -0.767566 51.611695 -0.767591 51.611578 -0.767594 51.611533 -0.767581 51.611362 -0.767513 51.611174 -0.767431
Segment 3
33 coordinate pairs- Description
- A404 southbound between M40 and A4155
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start2 End2
- Linear Element Road
- A404
- Linear Element Model
- The Network Model
- Linear Element Id
- {789FA5CC-21D4-43A6-B2AD-6D9F9BE295CE}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,781 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.606945 -0.765582 51.605861 -0.765121 51.602317 -0.763595 51.602152 -0.763536 51.601706 -0.76335 51.60111 -0.763094 51.600702 -0.762913 51.600342 -0.76275 51.599912 -0.762557 51.599456 -0.762359 51.599015 -0.762173 51.598619 -0.762005 51.598149 -0.761799 51.597661 -0.761596 51.597232 -0.761401 51.596825 -0.761235 51.596371 -0.761035 51.595983 -0.760864 51.595512 -0.760662 51.595348 -0.760587 51.595085 -0.760466 51.594647 -0.760273 51.594202 -0.760085 51.593674 -0.759873 51.593323 -0.75973 51.59314 -0.759666 51.59306 -0.759638 51.592974 -0.759597 51.592706 -0.759469 51.592416 -0.759347 51.59202 -0.759184 51.591735 -0.75907 51.591466 -0.758969
Segment 4
11 coordinate pairs- Description
- A404 southbound between M40 and A4155
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start2 End1
- Linear Element Road
- A404
- Linear Element Model
- The Network Model
- Linear Element Id
- {B77D5C44-D00A-4F33-87F9-ED926ADA5E51}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 722 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.591466 -0.758969 51.591219 -0.75888 51.591198 -0.758872 51.590663 -0.758693 51.590141 -0.758539 51.589374 -0.758346 51.587869 -0.758052 51.587063 -0.757895 51.586532 -0.757795 51.585891 -0.757673 51.585041 -0.757503
Segment 5
3 coordinate pairs- Description
- A404 southbound between M40 and A4155
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start2 End2
- Linear Element Road
- A404
- Linear Element Model
- The Network Model
- Linear Element Id
- {CBF966F0-5143-40C3-9ECC-491CAABF4E00}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 6 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.607003 -0.765611 51.606999 -0.76561 51.606945 -0.765582
- Geometry type
- MultiLineString
- Geometry points
- 55
- First coordinate pair
- -0.767431, 51.611174
- Road section segments
- 1
- Road section points
- 55
View geometry JSON
{
"type": "MultiLineString",
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51.611174
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51.607003
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51.611775
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[
-0.767591,
51.611695
],
[
-0.767594,
51.611578
],
[
-0.767581,
51.611533
],
[
-0.767513,
51.611362
],
[
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51.611174
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[
-0.765582,
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[
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51.605861
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51.602152
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[
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51.601706
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51.600702
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51.599456
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51.599015
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[
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[
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51.598149
],
[
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51.597661
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[
-0.761401,
51.597232
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[
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51.59314
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[
-0.759638,
51.59306
],
[
-0.759597,
51.592974
],
[
-0.759469,
51.592706
],
[
-0.759347,
51.592416
],
[
-0.759184,
51.59202
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[
-0.75907,
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[
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51.591466
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51.591466
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51.591198
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51.590141
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-0.758052,
51.587869
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[
-0.757895,
51.587063
],
[
-0.757795,
51.586532
],
[
-0.757673,
51.585891
],
[
-0.757503,
51.585041
],
[
-0.765611,
51.607003
],
[
-0.76561,
51.606999
],
[
-0.765582,
51.606945
]
]
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}
View road section coordinates
[
[
[
-0.767431,
51.611174
],
[
-0.765611,
51.607003
],
[
-0.767566,
51.611775
],
[
-0.767591,
51.611695
],
[
-0.767594,
51.611578
],
[
-0.767581,
51.611533
],
[
-0.767513,
51.611362
],
[
-0.767431,
51.611174
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[
-0.765582,
51.606945
],
[
-0.765121,
51.605861
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-0.763595,
51.602317
],
[
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51.602152
],
[
-0.76335,
51.601706
],
[
-0.763094,
51.60111
],
[
-0.762913,
51.600702
],
[
-0.76275,
51.600342
],
[
-0.762557,
51.599912
],
[
-0.762359,
51.599456
],
[
-0.762173,
51.599015
],
[
-0.762005,
51.598619
],
[
-0.761799,
51.598149
],
[
-0.761596,
51.597661
],
[
-0.761401,
51.597232
],
[
-0.761235,
51.596825
],
[
-0.761035,
51.596371
],
[
-0.760864,
51.595983
],
[
-0.760662,
51.595512
],
[
-0.760587,
51.595348
],
[
-0.760466,
51.595085
],
[
-0.760273,
51.594647
],
[
-0.760085,
51.594202
],
[
-0.759873,
51.593674
],
[
-0.75973,
51.593323
],
[
-0.759666,
51.59314
],
[
-0.759638,
51.59306
],
[
-0.759597,
51.592974
],
[
-0.759469,
51.592706
],
[
-0.759347,
51.592416
],
[
-0.759184,
51.59202
],
[
-0.75907,
51.591735
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[
-0.758969,
51.591466
],
[
-0.758969,
51.591466
],
[
-0.75888,
51.591219
],
[
-0.758872,
51.591198
],
[
-0.758693,
51.590663
],
[
-0.758539,
51.590141
],
[
-0.758346,
51.589374
],
[
-0.758052,
51.587869
],
[
-0.757895,
51.587063
],
[
-0.757795,
51.586532
],
[
-0.757673,
51.585891
],
[
-0.757503,
51.585041
],
[
-0.765611,
51.607003
],
[
-0.76561,
51.606999
],
[
-0.765582,
51.606945
]
]
]
- Cause type
- Road Maintenance
- Detailed cause
- Roadworks
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Fri, Jun 5, 2026 6:50 PM
- Record versioned
- Fri, Jun 5, 2026 7:38 PM
- Coordinate source
- Geometry
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