A404M southbound lane 2 closure (46/8 to M4 RBT)

Cleared

Start time: Fri, Aug 14, 2026 7:00 PM
Expected end: Sat, Aug 15, 2026 5:00 AM
Duration: 1 second
Road: A404(M) – A404(M) Southbound Between J9A And J9
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Lanes affected: Lane 2 closed, 1 of 2 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Fri, Aug 14, 2026 11:52 AM
Last updated: Fri, Aug 14, 2026 6:12 PM
Cleared: Fri, Aug 14, 2026 7:00 PM

Latest update: A404M southbound lane 2 closure (46/8 to M4 RBT)

Coordinates: 51.504908, -0.731813
Latitude span: 51.499939 – 51.509517
Longitude span: -0.742044 – -0.724684
Bounding box centre: 51.504728, -0.733364
Location descriptions: A404(M) southbound between J9A and J9

A404(M) southbound within J9A

A404(M) southbound between J9B and J9A

Feed validity status: Planned
Overall feed start: Fri, Aug 14, 2026 7:00 PM
Overall feed end: Sat, Aug 15, 2026 5:00 AM
Feed window length: 10 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

26 coordinate pairs

Description: A404(M) southbound between J9A and J9
Carriageway: Dual Carriageway
Lane Usage: Cl2
Lane Number: 2
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 2 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {259A2ACE-3FD6-41C1-9AAC-1860358109D6}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 843 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.505667 -0.732125
51.505009 -0.730734
51.504734 -0.730194
51.504583 -0.729881
51.504412 -0.729526
51.504219 -0.729142
51.503916 -0.728589
51.503797 -0.72839
51.503385 -0.727753
51.503367 -0.727725
51.503197 -0.727496
51.503033 -0.727286
51.502932 -0.727161
51.502646 -0.726855
51.502377 -0.726578
51.502055 -0.726299
51.501688 -0.726024
51.501578 -0.725941
51.50079 -0.725488
51.500341 -0.725259
51.500202 -0.72518
51.500088 -0.725077
51.500067 -0.72505
51.500024 -0.724972
51.499986 -0.72487
51.499939 -0.724684

Segment 2

4 coordinate pairs

Description: A404(M) southbound within J9A
Carriageway: Dual Carriageway
Lane Usage: Cl2
Lane Number: 2
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 2 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {F1BF7CA7-BBF4-4D74-8164-D23CF17860E2}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 297 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.507293 -0.735525
51.506684 -0.734275
51.506279 -0.733436
51.505667 -0.732125

Segment 3

2 coordinate pairs

Description: A404(M) southbound between J9B and J9A
Carriageway: Dual Carriageway
Lane Usage: Cl2
Lane Number: 2
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 2 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {6BC90F08-040C-40E1-9A38-0B579EB75249}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 27 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.507447 -0.735839
51.507293 -0.735525

Segment 4

14 coordinate pairs

Description: A404(M) southbound between J9B and J9A
Carriageway: Dual Carriageway
Lane Usage: Cl2
Lane Number: 2
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 2 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {9A36C08E-929F-4C16-83C3-50ECB9AD45A0}
Linear Element Type: B Carriageway
From Distance: 1,570 m
To Distance: 2,059 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.509517 -0.742044
51.509472 -0.741849
51.509313 -0.741234
51.509125 -0.740562
51.509088 -0.740404
51.509022 -0.740176
51.508957 -0.739933
51.508743 -0.739261
51.508585 -0.73879
51.508418 -0.738305
51.507973 -0.737092
51.507807 -0.736665
51.507622 -0.736237
51.507447 -0.735839

Geometry type: MultiLineString
Geometry points: 46
First coordinate pair: -0.732125, 51.505667
Road section segments: 1
Road section points: 46

View geometry JSON

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}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other