A404 southbound lane 1 closure (60/4 - 55/7)
ClearedA404 southbound lane 1 closure (60/4 - 55/7)
- Start time
- Tue, Oct 20, 2026 8:49 PM
- Expected end
- Wed, Oct 21, 2026 5:00 AM
- Duration
- 6 hours 11 minutes 2 seconds
- Road
- A404 – A404 Southbound Within The A4155 Junction
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- Lanes affected
- Lane 1 closed, 1 of 1 lanes affected
- Reason
- Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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- First published
- Tue, Oct 20, 2026 8:49 PM
- Last updated
- Wed, Oct 21, 2026 2:45 AM
- Cleared
- Wed, Oct 21, 2026 3:00 AM
- Latest update: A404 southbound lane 1 closure (60/4 - 55/7)
- Coordinates
- 51.588647, -0.759886
- Latitude span
- 51.568512 – 51.611391
- Longitude span
- -0.767525 – -0.756136
- Bounding box centre
- 51.589952, -0.761831
- Location descriptions
-
- A404 southbound within the A4155 junction
- A404 southbound between A4155 and A308
- A404 southbound between M40 and A4155
- A404 southbound within M40 junction
- Feed validity status
- Active
- Overall feed start
- Tue, Oct 20, 2026 8:49 PM
- Overall feed end
- Wed, Oct 21, 2026 5:00 AM
- Feed window length
- 8 hours 11 minutes
- 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
5 coordinate pairs- Description
- A404 southbound within the A4155 junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
- {1A209EC7-846D-401C-BAFF-27DC22B9DA2A}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 248 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.583855 -0.757216 51.582947 -0.757112 51.582423 -0.757006 51.581867 -0.756881 51.581637 -0.756847
Segment 2
15 coordinate pairs- Description
- A404 southbound between A4155 and A308
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
- {49789A0B-CC68-40B8-A95D-50F3F4305383}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 869 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.578041 -0.756159 51.577415 -0.756136 51.576317 -0.756208 51.575922 -0.756284 51.575278 -0.756435 51.57482 -0.756584 51.574446 -0.756722 51.57395 -0.756937 51.573613 -0.757103 51.573169 -0.757359 51.572671 -0.757677 51.572248 -0.757944 51.571771 -0.758254 51.571156 -0.758645 51.570513 -0.759052
Segment 3
2 coordinate pairs- Description
- A404 southbound between M40 and A4155
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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 4
4 coordinate pairs- Description
- A404 southbound within the A4155 junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
- {AEFC2EA6-CE0B-4652-946B-A7C59C20AFBA}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 319 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.580893 -0.756727 51.579838 -0.756533 51.578587 -0.7563 51.578041 -0.756159
Segment 5
33 coordinate pairs- Description
- A404 southbound between M40 and A4155
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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 6
2 coordinate pairs- Description
- A404 southbound within the A4155 junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
- {18949402-74F0-4BE5-AE50-D8FE5AB003AE}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 83 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.581637 -0.756847 51.580893 -0.756727
Segment 7
3 coordinate pairs- Description
- A404 southbound within M40 junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
- 47 m
- To Distance
- 72 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.611391 -0.767525 51.611362 -0.767513 51.611174 -0.767431
Segment 8
13 coordinate pairs- Description
- A404 southbound between M40 and A4155
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
- 855 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 51.58491 -0.757477 51.584642 -0.757423 51.583855 -0.757216
Segment 9
5 coordinate pairs- Description
- A404 southbound between A4155 and A308
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
- {9C0F1683-0E3D-4FF3-AB38-22DB507C8B54}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 227 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.570415 -0.759127 51.570361 -0.759157 51.569745 -0.759564 51.568825 -0.760137 51.568512 -0.760344
Segment 10
3 coordinate pairs- Description
- A404 southbound between M40 and A4155
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
Segment 11
2 coordinate pairs- Description
- A404 southbound between A4155 and A308
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 1 operational lane
- 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
- {FBFC5F8F-B90D-48B6-A223-5C17848ADB02}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 12 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.570513 -0.759052 51.570415 -0.759127
- Geometry type
- MultiLineString
- Geometry points
- 87
- First coordinate pair
- -0.757216, 51.583855
- Road section segments
- 1
- Road section points
- 87
View geometry JSON
{
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View road section coordinates
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-0.765582,
51.606945
],
[
-0.759052,
51.570513
],
[
-0.759127,
51.570415
]
]
]
- Cause type
- Road Maintenance
- Detailed cause
- Maintenance Work
- Compliance
- Mandatory
- Probability
- Certain
- Validity status
- Active
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Tue, Oct 20, 2026 8:49 PM
- Record versioned
- Wed, Oct 21, 2026 2:45 AM
- Coordinate source
- Geometry
Driving on the A404? See every live closure, roadwork and planned restriction on this road.
A404 live closuresRelated incidents
M40 Northbound A404 entry slip road closure
Planned Roadworks National Highways
Wycombe
M40 · M40 J4 Northbound Access
Starts in 18 hours 11 minutes
Starts 21 Oct 2026, 22:15
Expected clear 22 Oct 2026, 06:00
M40 Northbound A404 entry slip road closure
Category: Road Maintenance
View update
M40 Southbound Jct 5 to Jct 4 hard shoulder and lane 1 and 2 closure
Planned Roadworks National Highways
Wycombe
M40 · M40 Southbound Between J5 And J4
Starts in 16 hours 56 minutes
Starts 21 Oct 2026, 21:00
Expected clear 22 Oct 2026, 06:00
M40 Southbound Jct 5 to Jct 4 hard shoulder and lane 1 and 2 closure
Category: Road Maintenance
View update
M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure
Planned Roadworks National Highways
Wycombe
M40 · M40 Southbound Between J5 And J4
Starts in 16 hours 56 minutes
Starts 21 Oct 2026, 21:00
Expected clear 22 Oct 2026, 06:00
M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure
Category: Construction Work
View update
M40 Southbound Jct 5 to Jct 4 hard shoulder and lane 1 and 2 closure
Cleared Roadworks National Highways
Wycombe
M40 · M40 Southbound Between J5 And J4
Cleared 53 minutes 4 seconds ago
Started 20 Oct 2026, 21:00
Ended 21 Oct 2026, 03:10
M40 Southbound Jct 5 to Jct 4 hard shoulder and lane 1 and 2 closure
Category: Road Maintenance
View update
M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure
Cleared Roadworks National Highways
Wycombe
M40 · M40 Southbound Between J5 And J4
Cleared 3 hours 3 minutes ago
Started 20 Oct 2026, 21:00
Ended 21 Oct 2026, 01:00
M40 Southbound Jct 5 to Jct 4 hard shoulder, lane 1 and 2 closure
Category: Construction Work
View update
A404 northbound to M40 northbound slip road closure
Cleared Roadworks National Highways
Wycombe
M40 · Fast Slip From A404 Northbound To M40 Northbound
Cleared 1 day 7 hours ago
Started 19 Oct 2026, 21:00
Ended 19 Oct 2026, 21:00
A404 northbound to M40 northbound slip road closure
Category: Road Maintenance
View update