M4 eastbound lane 1 and 2 closure (47/0 to 45/3)

Cleared

Start time: Fri, Nov 6, 2026 9:35 PM
Expected end: Sat, Nov 7, 2026 6:00 AM
Duration: 4 hours 25 minutes 1 second
Road: M4 – M4 Eastbound Between J10 And J8
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 2 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Sat, Nov 7, 2026 12:56 AM
Last updated: Sat, Nov 7, 2026 1:43 AM
Cleared: Sat, Nov 7, 2026 2:00 AM

Latest update: M4 eastbound lane 1 and 2 closure (47/0 to 45/3)

Coordinates: 51.494506, -0.735809
Latitude span: 51.489572 – 51.498327
Longitude span: -0.747110 – -0.727191
Bounding box centre: 51.493950, -0.737151
Location descriptions: M4 eastbound between J10 and J8

M4 eastbound within J8

Feed validity status: Active
Overall feed start: Fri, Nov 6, 2026 9:35 PM
Overall feed end: Sat, Nov 7, 2026 6:00 AM
Feed window length: 8 hours 25 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

8 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: {394E8C98-DFB9-11A5-473C-261E7C67F490}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 350 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.495738 -0.733481
51.49584 -0.733289
51.496164 -0.732719
51.496169 -0.732708
51.496341 -0.732369
51.496512 -0.73203
51.497202 -0.730478
51.497606 -0.729419

Segment 2

4 coordinate pairs

Description: M4 eastbound within 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: {E5DDF82F-88B0-465C-BB9B-5BA161FCE5AE}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 174 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.497606 -0.729419
51.498124 -0.727872
51.498235 -0.727531
51.498327 -0.727191

Segment 3

5 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: {6D452CED-D559-49F3-B872-855A40BD59BB}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 248 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.494226 -0.736111
51.494796 -0.735122
51.495575 -0.733785
51.495591 -0.733758
51.495738 -0.733481

Segment 4

13 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: {083D6D01-FC84-49B1-87BC-C7037B790508}
Linear Element Type: B Carriageway
From Distance: 561 m
To Distance: 1,487 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.489572 -0.74711
51.490069 -0.745562
51.490376 -0.74468
51.490479 -0.744388
51.490924 -0.743206
51.491339 -0.742124
51.49178 -0.741082
51.491978 -0.740598
51.493074 -0.738272
51.493446 -0.737553
51.493963 -0.73657
51.494149 -0.736246
51.494226 -0.736111

Geometry type: MultiLineString
Geometry points: 30
First coordinate pair: -0.733481, 51.495738
Road section segments: 1
Road section points: 30

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
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            [
                -0.733481,
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            ],
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            ],
            [
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                51.496164
            ],
            [
                -0.732708,
                51.496169
            ],
            [
                -0.732369,
                51.496341
            ],
            [
                -0.73203,
                51.496512
            ],
            [
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                51.497202
            ],
            [
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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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            ],
            [
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            ],
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            ],
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                -0.736246,
                51.494149
            ],
            [
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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