M4 eastbound Jct 23 to Jct 22 lane closure 203/2-196/9

Planned

Start time: Mon, Aug 10, 2026 7:00 PM
Expected end: Tue, Aug 11, 2026 5:00 AM
Duration: 10 hours
Road: M4 – M4 Eastbound Between J23 And J22
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
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: Fri, Jul 31, 2026 12:59 PM
Last updated: Mon, Aug 10, 2026 4:16 AM
Cleared: Tue, Aug 11, 2026 5:00 AM

Latest update: M4 eastbound Jct 23 to Jct 22 lane closure 203/2-196/9

Coordinates: 51.576598, -2.709760
Latitude span: 51.570220 – 51.582446
Longitude span: -2.743110 – -2.679669
Bounding box centre: 51.576333, -2.711390
Location descriptions: M4 eastbound between J23 and J22

Feed validity status: Planned
Overall feed start: Mon, Aug 10, 2026 7:00 PM
Overall feed end: Tue, Aug 11, 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

28 coordinate pairs

Description: M4 eastbound between J23 and J22
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 operational lanes
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: {BA3489E5-7B97-4254-B2FF-E01622524675}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 2,010 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.576094 -2.707009
51.576069 -2.70691
51.575788 -2.705823
51.574242 -2.699796
51.573685 -2.697623
51.573016 -2.695016
51.572879 -2.694481
51.572756 -2.694002
51.572484 -2.692901
51.572484 -2.692887
51.572238 -2.691858
51.572177 -2.691598
51.572133 -2.691395
51.571783 -2.689817
51.571774 -2.689788
51.57152 -2.688529
51.571294 -2.687313
51.571294 -2.687299
51.571294 -2.687284
51.571033 -2.685794
51.570868 -2.684767
51.570816 -2.684406
51.570678 -2.683466
51.570661 -2.683336
51.57054 -2.68244
51.570411 -2.681442
51.570308 -2.680546
51.57022 -2.679669

Segment 2

29 coordinate pairs

Description: M4 eastbound between J23 and J22
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 operational lanes
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: {26F7B1EB-E1EC-C102-A496-53FA1CA628CC}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 2,626 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.582383 -2.74311
51.582439 -2.741728
51.582445 -2.739507
51.582446 -2.739085
51.582431 -2.738662
51.582376 -2.73716
51.582361 -2.736739
51.582231 -2.734821
51.582217 -2.734655
51.58207 -2.733146
51.581945 -2.732131
51.581876 -2.731576
51.581667 -2.730079
51.58154 -2.72917
51.581375 -2.728267
51.581358 -2.728178
51.581348 -2.728119
51.581227 -2.727462
51.58112 -2.726949
51.580912 -2.72596
51.580839 -2.725607
51.580752 -2.725251
51.580468 -2.724075
51.580318 -2.723457
51.578445 -2.716168
51.577552 -2.712695
51.57717 -2.71121
51.576125 -2.707145
51.576094 -2.707009

Geometry type: MultiLineString
Geometry points: 57
First coordinate pair: -2.707009, 51.576094
Road section segments: 1
Road section points: 57

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.707009,
                51.576094
            ],
            [
                -2.70691,
                51.576069
            ],
            [
                -2.705823,
                51.575788
            ],
            [
                -2.699796,
                51.574242
            ],
            [
                -2.697623,
                51.573685
            ],
            [
                -2.695016,
                51.573016
            ],
            [
                -2.694481,
                51.572879
            ],
            [
                -2.694002,
                51.572756
            ],
            [
                -2.692901,
                51.572484
            ],
            [
                -2.692887,
                51.572484
            ],
            [
                -2.691858,
                51.572238
            ],
            [
                -2.691598,
                51.572177
            ],
            [
                -2.691395,
                51.572133
            ],
            [
                -2.689817,
                51.571783
            ],
            [
                -2.689788,
                51.571774
            ],
            [
                -2.688529,
                51.57152
            ],
            [
                -2.687313,
                51.571294
            ],
            [
                -2.687299,
                51.571294
            ],
            [
                -2.687284,
                51.571294
            ],
            [
                -2.685794,
                51.571033
            ],
            [
                -2.684767,
                51.570868
            ],
            [
                -2.684406,
                51.570816
            ],
            [
                -2.683466,
                51.570678
            ],
            [
                -2.683336,
                51.570661
            ],
            [
                -2.68244,
                51.57054
            ],
            [
                -2.681442,
                51.570411
            ],
            [
                -2.680546,
                51.570308
            ],
            [
                -2.679669,
                51.57022
            ],
            [
                -2.74311,
                51.582383
            ],
            [
                -2.741728,
                51.582439
            ],
            [
                -2.739507,
                51.582445
            ],
            [
                -2.739085,
                51.582446
            ],
            [
                -2.738662,
                51.582431
            ],
            [
                -2.73716,
                51.582376
            ],
            [
                -2.736739,
                51.582361
            ],
            [
                -2.734821,
                51.582231
            ],
            [
                -2.734655,
                51.582217
            ],
            [
                -2.733146,
                51.58207
            ],
            [
                -2.732131,
                51.581945
            ],
            [
                -2.731576,
                51.581876
            ],
            [
                -2.730079,
                51.581667
            ],
            [
                -2.72917,
                51.58154
            ],
            [
                -2.728267,
                51.581375
            ],
            [
                -2.728178,
                51.581358
            ],
            [
                -2.728119,
                51.581348
            ],
            [
                -2.727462,
                51.581227
            ],
            [
                -2.726949,
                51.58112
            ],
            [
                -2.72596,
                51.580912
            ],
            [
                -2.725607,
                51.580839
            ],
            [
                -2.725251,
                51.580752
            ],
            [
                -2.724075,
                51.580468
            ],
            [
                -2.723457,
                51.580318
            ],
            [
                -2.716168,
                51.578445
            ],
            [
                -2.712695,
                51.577552
            ],
            [
                -2.71121,
                51.57717
            ],
            [
                -2.707145,
                51.576125
            ],
            [
                -2.707009,
                51.576094
            ]
        ]
    ]
}

View road section coordinates

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

Feed provider: National Highways
Data source: Roadworks
Feed version: 1
Record created: Fri, Jul 31, 2026 12:59 PM
Record versioned: Mon, Aug 10, 2026 4:16 AM
Coordinate source: Geometry

Driving on the M4? See every live closure, roadwork and planned restriction on this road.

M4 live closures

Related incidents

: Both directions : Abergavenny Hardwick R/bout to Raglan : Bridge closed Local lanes closed : 06/07/26-14/09/26 0600 :

Active Roadworks Traffic Wales

Monmouthshire

Started Start time TBC

Description: : Both directions : Abergavenny Hardwick R/bout to Raglan : Bridge closed Local lanes closed : 06/07/26-14/09/26 0600 :, Start time: 06/07/2026 6:00 , End Date: 14/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/07/2026 13:20

View update