M4 westbound Jct 11 entry slip road closure

Cleared

Start time: Thu, Feb 19, 2026 9:16 PM
Expected end: Fri, Feb 20, 2026 6:00 AM
Duration: 8 hours 44 minutes
Road: M4 – M4 J11 Westbound Access
Category: Road Maintenance
Direction: Westbound
Reason: Repair Work

Live incident

Active roadworks

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Cleared

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First published: Thu, Feb 19, 2026 9:16 PM
Last updated: Thu, Feb 19, 2026 11:17 PM
Cleared: Fri, Feb 20, 2026 6:00 AM

Latest update: M4 westbound Jct 11 entry slip road closure

Coordinates: 51.413237, -0.976198
Latitude span: 51.412064 – 51.414439
Longitude span: -0.978982 – -0.973615
Bounding box centre: 51.413252, -0.976299
Location descriptions: M4 J11 westbound access

Feed validity status: Active
Overall feed start: Thu, Feb 19, 2026 9:16 PM
Overall feed end: Fri, Feb 20, 2026 6:00 AM
Feed window length: 8 hours 44 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

15 coordinate pairs

Description: M4 J11 westbound access
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 operational lanes
Direction On Section: West Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {0B6392E2-AE36-4211-831E-A613343C4C20}
Linear Element Type: A Carriageway Entry Slip
From Distance: 0 m
To Distance: 262 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.413098 -0.9759
51.413116 -0.975953
51.413383 -0.976671
51.413484 -0.976927
51.41357 -0.977116
51.413602 -0.97718
51.413682 -0.977377
51.4137 -0.977423
51.41398 -0.978116
51.414014 -0.978187
51.414056 -0.978287
51.414255 -0.978752
51.414298 -0.97882
51.414347 -0.978898
51.414439 -0.978982

Segment 2

5 coordinate pairs

Description: M4 J11 westbound access
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: West Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {8F947306-7451-99E7-3C7D-F328D90F36E6}
Linear Element Type: A Carriageway Entry Slip
From Distance: 0 m
To Distance: 130 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.41254 -0.974244
51.412632 -0.974498
51.412784 -0.975002
51.412949 -0.975473
51.413098 -0.9759

Segment 3

7 coordinate pairs

Description: M4 J11 westbound access
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: West Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {3B310D7B-4BCA-4825-867F-A6910D1C050E}
Linear Element Type: A Carriageway Entry Slip
From Distance: 8 m
To Distance: 78 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.412064 -0.973615
51.412122 -0.97368
51.412288 -0.97384
51.412369 -0.973935
51.412458 -0.974076
51.412537 -0.974238
51.41254 -0.974244

Geometry type: MultiLineString
Geometry points: 27
First coordinate pair: -0.975900, 51.413098
Road section segments: 1
Road section points: 27

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.9759,
                51.413098
            ],
            [
                -0.975953,
                51.413116
            ],
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                -0.976671,
                51.413383
            ],
            [
                -0.976927,
                51.413484
            ],
            [
                -0.977116,
                51.41357
            ],
            [
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                51.413602
            ],
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                51.413682
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            [
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                51.414014
            ],
            [
                -0.978287,
                51.414056
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            [
                -0.978752,
                51.414255
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            [
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            ],
            [
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            ],
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            ],
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            ],
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            ]
        ]
    ]
}

View road section coordinates

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