M4 eastbound lane 1 closure (46/8 to 45/0)

Planned

Start time: Tue, Oct 13, 2026 8:00 PM
Expected end: Wed, Oct 14, 2026 5:00 AM
Duration: 9 hours
Road: M4 – M4 Eastbound Between J10 And J8
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: Lane 1 closed, 1 of 3 lanes affected
Reason: Other

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: Wed, Sep 16, 2026 11:16 AM
Last updated: Tue, Oct 13, 2026 12:48 AM
Cleared: Wed, Oct 14, 2026 5:00 AM

Latest update: M4 eastbound lane 1 closure (46/8 to 45/0)

Coordinates: 51.495656, -0.732984
Latitude span: 51.490395 – 51.499205
Longitude span: -0.744625 – -0.723100
Bounding box centre: 51.494800, -0.733863
Location descriptions: M4 eastbound between J10 and J8

M4 eastbound within J8

Feed validity status: Planned
Overall feed start: Tue, Oct 13, 2026 8:00 PM
Overall feed end: Wed, Oct 14, 2026 5:00 AM
Feed window length: 9 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

5 coordinate pairs

Description: M4 eastbound between J10 and J8
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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 2

7 coordinate pairs

Description: M4 eastbound within J8
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: 334 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
51.498386 -0.726973
51.498546 -0.7264
51.498763 -0.725497
51.498864 -0.725044

Segment 3

4 coordinate pairs

Description: M4 eastbound within J8
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: {909C204B-8F2C-4438-8776-9577181A6C13}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 140 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.498864 -0.725044
51.498911 -0.724799
51.499186 -0.723243
51.499205 -0.7231

Segment 4

11 coordinate pairs

Description: M4 eastbound between J10 and J8
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: 757 m
To Distance: 1,487 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.490395 -0.744625
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

Segment 5

8 coordinate pairs

Description: M4 eastbound between J10 and J8
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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

Geometry type: MultiLineString
Geometry points: 35
First coordinate pair: -0.736111, 51.494226
Road section segments: 1
Road section points: 35

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.736111,
                51.494226
            ],
            [
                -0.735122,
                51.494796
            ],
            [
                -0.733785,
                51.495575
            ],
            [
                -0.733758,
                51.495591
            ],
            [
                -0.733481,
                51.495738
            ],
            [
                -0.729419,
                51.497606
            ],
            [
                -0.727872,
                51.498124
            ],
            [
                -0.727531,
                51.498235
            ],
            [
                -0.726973,
                51.498386
            ],
            [
                -0.7264,
                51.498546
            ],
            [
                -0.725497,
                51.498763
            ],
            [
                -0.725044,
                51.498864
            ],
            [
                -0.725044,
                51.498864
            ],
            [
                -0.724799,
                51.498911
            ],
            [
                -0.723243,
                51.499186
            ],
            [
                -0.7231,
                51.499205
            ],
            [
                -0.744625,
                51.490395
            ],
            [
                -0.744388,
                51.490479
            ],
            [
                -0.743206,
                51.490924
            ],
            [
                -0.742124,
                51.491339
            ],
            [
                -0.741082,
                51.49178
            ],
            [
                -0.740598,
                51.491978
            ],
            [
                -0.738272,
                51.493074
            ],
            [
                -0.737553,
                51.493446
            ],
            [
                -0.73657,
                51.493963
            ],
            [
                -0.736246,
                51.494149
            ],
            [
                -0.736111,
                51.494226
            ],
            [
                -0.733481,
                51.495738
            ],
            [
                -0.733289,
                51.49584
            ],
            [
                -0.732719,
                51.496164
            ],
            [
                -0.732708,
                51.496169
            ],
            [
                -0.732369,
                51.496341
            ],
            [
                -0.73203,
                51.496512
            ],
            [
                -0.730478,
                51.497202
            ],
            [
                -0.729419,
                51.497606
            ]
        ]
    ]
}

View road section coordinates

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