M4 eastbound lane 1, 2 and 3 closure (53/5 to 52/4)

Cleared

Start time: Wed, Sep 23, 2026 6:49 PM
Expected end: Thu, Sep 24, 2026 5:00 AM
Duration: 8 hours 36 minutes 1 second
Road: M4 – M4 Eastbound Between J10 And J8
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 3 of 1 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

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First published: Wed, Sep 23, 2026 6:49 PM
Last updated: Thu, Sep 24, 2026 2:56 AM
Cleared: Thu, Sep 24, 2026 3:25 AM

Latest update: M4 eastbound lane 1, 2 and 3 closure (53/5 to 52/4)

Coordinates: 51.452318, -0.806426
Latitude span: 51.449662 – 51.455363
Longitude span: -0.812951 – -0.800275
Bounding box centre: 51.452513, -0.806613
Location descriptions: M4 eastbound between J10 and J8

Feed validity status: Active
Overall feed start: Wed, Sep 23, 2026 6:49 PM
Overall feed end: Thu, Sep 24, 2026 5:00 AM
Feed window length: 10 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

17 coordinate pairs

Description: M4 eastbound between J10 and J8
Carriageway: Dual Carriageway
Lanes Restricted: 3 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: {3CE24F5C-CF44-448E-80B7-3242B16E43EA}
Linear Element Type: B Carriageway
From Distance: 660 m
To Distance: 1,499 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.449662 -0.812951
51.449847 -0.812428
51.449971 -0.81209
51.45042 -0.810767
51.450575 -0.810322
51.450578 -0.810315
51.450758 -0.809805
51.451225 -0.808602
51.45194 -0.806894
51.452183 -0.80634
51.452389 -0.80588
51.452651 -0.805296
51.453273 -0.804019
51.453449 -0.803673
51.453677 -0.803263
51.45368 -0.803256
51.453854 -0.802933

Segment 2

4 coordinate pairs

Description: M4 eastbound between J10 and J8
Carriageway: Dual Carriageway
Lanes Restricted: 3 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: {4747B9AF-B430-4C05-8069-63A8EDC78748}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 249 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.453854 -0.802933
51.454452 -0.801813
51.454885 -0.801085
51.455363 -0.800275

Geometry type: MultiLineString
Geometry points: 21
First coordinate pair: -0.812951, 51.449662
Road section segments: 1
Road section points: 21

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.812951,
                51.449662
            ],
            [
                -0.812428,
                51.449847
            ],
            [
                -0.81209,
                51.449971
            ],
            [
                -0.810767,
                51.45042
            ],
            [
                -0.810322,
                51.450575
            ],
            [
                -0.810315,
                51.450578
            ],
            [
                -0.809805,
                51.450758
            ],
            [
                -0.808602,
                51.451225
            ],
            [
                -0.806894,
                51.45194
            ],
            [
                -0.80634,
                51.452183
            ],
            [
                -0.80588,
                51.452389
            ],
            [
                -0.805296,
                51.452651
            ],
            [
                -0.804019,
                51.453273
            ],
            [
                -0.803673,
                51.453449
            ],
            [
                -0.803263,
                51.453677
            ],
            [
                -0.803256,
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            ],
            [
                -0.802933,
                51.453854
            ],
            [
                -0.802933,
                51.453854
            ],
            [
                -0.801813,
                51.454452
            ],
            [
                -0.801085,
                51.454885
            ],
            [
                -0.800275,
                51.455363
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Other