M4 eastbound to A329M northbound slip road closure

Cleared

Start time: Tue, Sep 29, 2026 8:02 PM
Expected end: Wed, Sep 30, 2026 5:00 AM
Duration: 5 hours 48 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

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: Tue, Sep 29, 2026 8:20 PM
Last updated: Wed, Sep 30, 2026 12:38 AM
Cleared: Wed, Sep 30, 2026 1:50 AM

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: Active
Overall feed start: Tue, Sep 29, 2026 8:02 PM
Overall feed end: Wed, Sep 30, 2026 5:00 AM
Feed window length: 8 hours 58 minutes
Probability code (raw): certain
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
            ],
            [
                -0.861837,
                51.433186
            ],
            [
                -0.862543,
                51.433714
            ],
            [
                -0.86267,
                51.433805
            ],
            [
                -0.862798,
                51.43389
            ],
            [
                -0.859457,
                51.429961
            ],
            [
                -0.859459,
                51.430289
            ],
            [
                -0.859464,
                51.430469
            ],
            [
                -0.859498,
                51.430636
            ],
            [
                -0.859511,
                51.430734
            ],
            [
                -0.859541,
                51.430788
            ],
            [
                -0.859584,
                51.430905
            ],
            [
                -0.859632,
                51.430992
            ],
            [
                -0.859797,
                51.431208
            ],
            [
                -0.860013,
                51.431476
            ],
            [
                -0.860191,
                51.431686
            ],
            [
                -0.860415,
                51.431922
            ],
            [
                -0.860696,
                51.432203
            ],
            [
                -0.861006,
                51.432467
            ],
            [
                -0.861188,
                51.432685
            ],
            [
                -0.859698,
                51.42914
            ],
            [
                -0.859692,
                51.429199
            ],
            [
                -0.859614,
                51.429423
            ],
            [
                -0.859457,
                51.429961
            ]
        ]
    ]
}

View road section coordinates

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