M4 eastbound lane 1 and 2 closure (59/3 to 57/3)

Cleared

Start time: Fri, May 1, 2026 8:00 PM
Expected end: Sat, May 2, 2026 5:00 AM
Duration: 9 hours
Road: M4 – M4 Eastbound Within J10 Before A329(M) Westbound Access
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 1 lanes affected, 2 of 2 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, Apr 30, 2026 1:41 AM
Last updated: Sat, May 2, 2026 3:27 AM
Cleared: Sat, May 2, 2026 5:00 AM

Latest update: M4 eastbound lane 1 and 2 closure (59/3 to 57/3)

Coordinates: 51.425794, -0.869222
Latitude span: 51.424331 – 51.429884
Longitude span: -0.883261 – -0.857155
Bounding box centre: 51.427108, -0.870208
Location descriptions: M4 eastbound within J10 before A329(M) westbound access

M4 eastbound between J11 and J10

Feed validity status: Planned
Overall feed start: Fri, May 1, 2026 8:00 PM
Overall feed end: Sat, May 2, 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

12 coordinate pairs

Description: M4 eastbound within J10 before A329(M) westbound access
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 1 operational lane
Direction On Section: East Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {8EF61ABE-15CA-444D-AAF0-E82CD6933D54}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 491 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.426978 -0.862451
51.427238 -0.86185
51.427374 -0.861535
51.427673 -0.860881
51.427858 -0.860502
51.427964 -0.860327
51.428 -0.860254
51.428495 -0.85935
51.428689 -0.859
51.429442 -0.85783
51.429832 -0.857231
51.429884 -0.857155

Segment 2

20 coordinate pairs

Description: M4 eastbound between J11 and J10
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 operational lanes
Direction On Section: East Bound
Direction Relative: Aligned
Height Grade: Start2 End2
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {5C11CD8C-9D62-4E59-979A-444EA798C6F9}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 859 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.424645 -0.881696
51.424616 -0.881481
51.424463 -0.879528
51.424421 -0.87894
51.424398 -0.878523
51.424345 -0.877532
51.424331 -0.876123
51.424333 -0.875936
51.42434 -0.875217
51.42437 -0.874525
51.424408 -0.873834
51.424412 -0.873776
51.424464 -0.873056
51.424538 -0.872335
51.42457 -0.871975
51.424603 -0.871701
51.424687 -0.871051
51.424737 -0.870647
51.42489 -0.869694
51.424942 -0.869463

Segment 3

8 coordinate pairs

Description: M4 eastbound between J11 and J10
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 operational lanes
Direction On Section: East Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {EDDC4228-5672-46FE-BB21-9E4E614596D8}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 244 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.424942 -0.869463
51.42497 -0.869307
51.425069 -0.868741
51.425132 -0.868437
51.425233 -0.867945
51.425311 -0.867627
51.425475 -0.866933
51.425686 -0.866163

Segment 4

4 coordinate pairs

Description: M4 eastbound between J11 and J10
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 operational lanes
Direction On Section: East Bound
Direction Relative: Aligned
Height Grade: Start2 End2
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {6129B0E0-272E-4961-B39B-72CBF1BA253E}
Linear Element Type: B Carriageway
From Distance: 698 m
To Distance: 807 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.424755 -0.883261
51.424728 -0.882801
51.424646 -0.881753
51.424645 -0.881696

Segment 5

9 coordinate pairs

Description: M4 eastbound between J11 and J10
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 1 operational lane
Direction On Section: East Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {B5001807-E16D-AB31-03CE-99BDAE4EF400}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 295 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.425686 -0.866163
51.425709 -0.866078
51.425822 -0.865687
51.426006 -0.865107
51.426294 -0.864223
51.426548 -0.863512
51.426723 -0.863047
51.426767 -0.86296
51.426978 -0.862451

Geometry type: MultiLineString
Geometry points: 53
First coordinate pair: -0.862451, 51.426978
Road section segments: 1
Road section points: 53

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