M4 eastbound to A329M northbound slip road closure

Cleared

Start time: Tue, Sep 29, 2026 8:00 PM
Expected end: Wed, Sep 30, 2026 5:00 AM
Duration: 55 minutes 2 seconds
Road: M4 – Link Road From M4 J10 Eastbound To A329(M) Westbound
Category: Road Maintenance
Direction: Eastbound
Reason: Repair Work

Live incident

Active roadworks

Planned

Cleared

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First published: Tue, Sep 29, 2026 7:11 PM
Last updated: Tue, Sep 29, 2026 8:16 PM
Cleared: Tue, Sep 29, 2026 8:55 PM

Latest update: M4 eastbound to A329M northbound slip road closure

Coordinates: 51.431393, -0.860373
Latitude span: 51.429140 – 51.433890
Longitude span: -0.862798 – -0.859457
Bounding box centre: 51.431515, -0.861128
Location descriptions: link road from M4 J10 eastbound to A329(M) westbound

link road from M4 J10 eastbound to A329(M)

Feed validity status: Planned
Overall feed start: Tue, Sep 29, 2026 8:00 PM
Overall feed end: Wed, Sep 30, 2026 5:00 AM
Feed window length: 9 hours
Probability code (raw): probable
Compliance option (raw): mandatory
Source identification (raw): roadworks

Management type value: carriagewayClosures (Carriageway Closures)
Contra-flow flag (raw): false
Width restriction flag (raw): false
Height restriction flag (raw): false
Weight restriction flag (raw): false

Segment 1

5 coordinate pairs

Description: link road from M4 J10 eastbound to A329(M) westbound
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 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: {911093AD-1750-4F9A-B950-0884B1DCD77B}
Linear Element Type: A Carriageway Entry Slip
From Distance: 0 m
To Distance: 174 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.432685 -0.861188
51.433186 -0.861837
51.433714 -0.862543
51.433805 -0.86267
51.43389 -0.862798

Segment 2

15 coordinate pairs

Description: link road from M4 J10 eastbound to A329(M) westbound
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 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: {F91BB6C9-1708-432C-8964-D2C0AF85F2D6}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 333 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.429961 -0.859457
51.430289 -0.859459
51.430469 -0.859464
51.430636 -0.859498
51.430734 -0.859511
51.430788 -0.859541
51.430905 -0.859584
51.430992 -0.859632
51.431208 -0.859797
51.431476 -0.860013
51.431686 -0.860191
51.431922 -0.860415
51.432203 -0.860696
51.432467 -0.861006
51.432685 -0.861188

Segment 3

4 coordinate pairs

Description: link road from M4 J10 eastbound to A329(M)
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 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: {50D41C0F-0AB2-1527-9488-2AB7FEF1002C}
Linear Element Type: B Carriageway Exit Slip
From Distance: 132 m
To Distance: 225 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.42914 -0.859698
51.429199 -0.859692
51.429423 -0.859614
51.429961 -0.859457

Geometry type: MultiLineString
Geometry points: 24
First coordinate pair: -0.861188, 51.432685
Road section segments: 1
Road section points: 24

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.861188,
                51.432685
            ],
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                -0.861837,
                51.433186
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                -0.862543,
                51.433714
            ],
            [
                -0.86267,
                51.433805
            ],
            [
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            ],
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            [
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            ],
            [
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            [
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            [
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            [
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            ],
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            ],
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            ],
            [
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            ],
            [
                -0.859692,
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            ],
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                -0.859614,
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            ],
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            ]
        ]
    ]
}

View road section coordinates

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