M4 eastbound lane 1 and 2 closure (51/5 to 50/6)

Planned

Start time: Tue, Oct 20, 2026 7:00 PM
Expected end: Wed, Oct 21, 2026 5:00 AM
Duration: 10 hours
Road: M4 – M4 Eastbound Between J10 And J8
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 2 lanes affected
Reason: Repair Work

Live incident

Active roadworks

Planned

Cleared

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First published: Fri, Oct 9, 2026 10:38 AM
Last updated: Tue, Oct 20, 2026 2:17 AM
Cleared: Wed, Oct 21, 2026 5:00 AM

Latest update: M4 eastbound lane 1 and 2 closure (51/5 to 50/6)

Coordinates: 51.462492, -0.784122
Latitude span: 51.460173 – 51.464852
Longitude span: -0.789821 – -0.779243
Bounding box centre: 51.462513, -0.784532
Location descriptions: M4 eastbound between J10 and J8

Feed validity status: Planned
Overall feed start: Tue, Oct 20, 2026 7:00 PM
Overall feed end: Wed, Oct 21, 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

6 coordinate pairs

Description: M4 eastbound between J10 and J8
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: {8A77EB64-65B7-4A7A-A2F4-C7C018BF5569}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 410 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.462527 -0.783821
51.462876 -0.783054
51.463151 -0.782474
51.463914 -0.780941
51.464275 -0.780285
51.464852 -0.779243

Segment 2

6 coordinate pairs

Description: M4 eastbound between J10 and J8
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: {4E2C4D29-F2D9-44BD-B423-B72D71EBAA56}
Linear Element Type: B Carriageway
From Distance: 566 m
To Distance: 1,059 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.460173 -0.789821
51.460801 -0.788046
51.461039 -0.787396
51.461594 -0.785968
51.462177 -0.784592
51.462527 -0.783821

Geometry type: MultiLineString
Geometry points: 12
First coordinate pair: -0.783821, 51.462527
Road section segments: 1
Road section points: 12

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.783821,
                51.462527
            ],
            [
                -0.783054,
                51.462876
            ],
            [
                -0.782474,
                51.463151
            ],
            [
                -0.780941,
                51.463914
            ],
            [
                -0.780285,
                51.464275
            ],
            [
                -0.779243,
                51.464852
            ],
            [
                -0.789821,
                51.460173
            ],
            [
                -0.788046,
                51.460801
            ],
            [
                -0.787396,
                51.461039
            ],
            [
                -0.785968,
                51.461594
            ],
            [
                -0.784592,
                51.462177
            ],
            [
                -0.783821,
                51.462527
            ]
        ]
    ]
}

View road section coordinates

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