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

Cleared

Start time: Mon, Apr 20, 2026 8:00 PM
Expected end: Tue, Apr 21, 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

Hover or tap markers for full details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment

Planning history

EPC ratings & more

Get a property report

First published: Wed, Mar 25, 2026 4:23 PM
Last updated: Mon, Apr 20, 2026 6:59 PM
Cleared: Tue, Apr 21, 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: Mon, Apr 20, 2026 8:00 PM
Overall feed end: Tue, Apr 21, 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

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.862451,
                51.426978
            ],
            [
                -0.86185,
                51.427238
            ],
            [
                -0.861535,
                51.427374
            ],
            [
                -0.860881,
                51.427673
            ],
            [
                -0.860502,
                51.427858
            ],
            [
                -0.860327,
                51.427964
            ],
            [
                -0.860254,
                51.428
            ],
            [
                -0.85935,
                51.428495
            ],
            [
                -0.859,
                51.428689
            ],
            [
                -0.85783,
                51.429442
            ],
            [
                -0.857231,
                51.429832
            ],
            [
                -0.857155,
                51.429884
            ],
            [
                -0.881696,
                51.424645
            ],
            [
                -0.881481,
                51.424616
            ],
            [
                -0.879528,
                51.424463
            ],
            [
                -0.87894,
                51.424421
            ],
            [
                -0.878523,
                51.424398
            ],
            [
                -0.877532,
                51.424345
            ],
            [
                -0.876123,
                51.424331
            ],
            [
                -0.875936,
                51.424333
            ],
            [
                -0.875217,
                51.42434
            ],
            [
                -0.874525,
                51.42437
            ],
            [
                -0.873834,
                51.424408
            ],
            [
                -0.873776,
                51.424412
            ],
            [
                -0.873056,
                51.424464
            ],
            [
                -0.872335,
                51.424538
            ],
            [
                -0.871975,
                51.42457
            ],
            [
                -0.871701,
                51.424603
            ],
            [
                -0.871051,
                51.424687
            ],
            [
                -0.870647,
                51.424737
            ],
            [
                -0.869694,
                51.42489
            ],
            [
                -0.869463,
                51.424942
            ],
            [
                -0.869463,
                51.424942
            ],
            [
                -0.869307,
                51.42497
            ],
            [
                -0.868741,
                51.425069
            ],
            [
                -0.868437,
                51.425132
            ],
            [
                -0.867945,
                51.425233
            ],
            [
                -0.867627,
                51.425311
            ],
            [
                -0.866933,
                51.425475
            ],
            [
                -0.866163,
                51.425686
            ],
            [
                -0.883261,
                51.424755
            ],
            [
                -0.882801,
                51.424728
            ],
            [
                -0.881753,
                51.424646
            ],
            [
                -0.881696,
                51.424645
            ],
            [
                -0.866163,
                51.425686
            ],
            [
                -0.866078,
                51.425709
            ],
            [
                -0.865687,
                51.425822
            ],
            [
                -0.865107,
                51.426006
            ],
            [
                -0.864223,
                51.426294
            ],
            [
                -0.863512,
                51.426548
            ],
            [
                -0.863047,
                51.426723
            ],
            [
                -0.86296,
                51.426767
            ],
            [
                -0.862451,
                51.426978
            ]
        ]
    ]
}

View road section coordinates

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