M4 eastbound lane 1 and 2 closure (61/0 to 59/9)

Cleared

Start time: Mon, Aug 10, 2026 7:56 PM
Expected end: Tue, Aug 11, 2026 5:00 AM
Duration: 1 hour 49 minutes 1 second
Road: M4 – M4 Eastbound Between J11 And J10
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 2 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

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First published: Mon, Aug 10, 2026 7:56 PM
Last updated: Mon, Aug 10, 2026 8:58 PM
Cleared: Mon, Aug 10, 2026 9:45 PM

Latest update: M4 eastbound lane 1 and 2 closure (61/0 to 59/9)

Coordinates: 51.423177, -0.898219
Latitude span: 51.420917 – 51.424563
Longitude span: -0.906532 – -0.891939
Bounding box centre: 51.422740, -0.899236
Location descriptions: M4 eastbound between J11 and J10

Feed validity status: Active
Overall feed start: Mon, Aug 10, 2026 7:56 PM
Overall feed end: Tue, Aug 11, 2026 5:00 AM
Feed window length: 9 hours 4 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

23 coordinate pairs

Description: M4 eastbound between J11 and J10
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 operational lanes
Direction On Section: East Bound
Direction Relative: Aligned
Height Grade: Start1 End2
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {E7F917C2-FC34-425D-BD67-C860F49000BD}
Linear Element Type: B Carriageway
From Distance: 3,062 m
To Distance: 4,067 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.420917 -0.906532
51.421052 -0.905931
51.421226 -0.905251
51.421277 -0.905063
51.421347 -0.904802
51.421487 -0.90431
51.421635 -0.903803
51.421818 -0.903223
51.422666 -0.900628
51.422937 -0.899745
51.423207 -0.898832
51.423502 -0.897746
51.423553 -0.897529
51.42377 -0.896604
51.423814 -0.89643
51.423943 -0.89588
51.424037 -0.895375
51.424122 -0.894927
51.424157 -0.894739
51.424294 -0.893916
51.424335 -0.893598
51.424361 -0.893439
51.424395 -0.893237

Segment 2

4 coordinate pairs

Description: M4 eastbound between J11 and J10
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 operational lanes
Direction On Section: East Bound
Direction Relative: Aligned
Height Grade: Start2 End2
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {6129B0E0-272E-4961-B39B-72CBF1BA253E}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 92 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.424395 -0.893237
51.424412 -0.893107
51.424546 -0.892097
51.424563 -0.891939

Geometry type: MultiLineString
Geometry points: 27
First coordinate pair: -0.906532, 51.420917
Road section segments: 1
Road section points: 27

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
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                51.420917
            ],
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                51.421226
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            [
                -0.905063,
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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: Maintenance Work
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Other