M4 eastbound lane 1 and 2 closure (81/3 to 80/4)

Cleared

Start time: Tue, Aug 4, 2026 6:35 PM
Expected end: Wed, Aug 5, 2026 5:00 AM
Duration: 3 hours 30 minutes 2 seconds
Road: M4 – M4 Eastbound Between J13 And J12
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: Tue, Aug 4, 2026 6:36 PM
Last updated: Tue, Aug 4, 2026 9:38 PM
Cleared: Tue, Aug 4, 2026 10:05 PM

Latest update: M4 eastbound lane 1 and 2 closure (81/3 to 80/4)

Coordinates: 51.460466, -1.161285
Latitude span: 51.460345 – 51.460760
Longitude span: -1.167602 – -1.154847
Bounding box centre: 51.460553, -1.161225
Location descriptions: M4 eastbound between J13 and J12

Feed validity status: Active
Overall feed start: Tue, Aug 4, 2026 6:35 PM
Overall feed end: Wed, Aug 5, 2026 5:00 AM
Feed window length: 10 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

7 coordinate pairs

Description: M4 eastbound between J13 and J12
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: {E7E0CED3-F107-4F93-ACAD-CFC16927C366}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 377 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.460419 -1.160247
51.460459 -1.159333
51.460572 -1.157576
51.460655 -1.15658
51.460731 -1.155441
51.460737 -1.155354
51.46076 -1.154847

Segment 2

13 coordinate pairs

Description: M4 eastbound between J13 and J12
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: {E7AF0DE5-5890-4D22-9598-ACBE2F58B1B7}
Linear Element Type: B Carriageway
From Distance: 681 m
To Distance: 1,192 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.460447 -1.167602
51.460409 -1.166874
51.460405 -1.166542
51.460378 -1.165523
51.460365 -1.165049
51.460347 -1.163885
51.460346 -1.162933
51.460345 -1.162388
51.460346 -1.162357
51.460367 -1.161552
51.460398 -1.160788
51.460405 -1.160571
51.460419 -1.160247

Geometry type: MultiLineString
Geometry points: 20
First coordinate pair: -1.160247, 51.460419
Road section segments: 1
Road section points: 20

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.160247,
                51.460419
            ],
            [
                -1.159333,
                51.460459
            ],
            [
                -1.157576,
                51.460572
            ],
            [
                -1.15658,
                51.460655
            ],
            [
                -1.155441,
                51.460731
            ],
            [
                -1.155354,
                51.460737
            ],
            [
                -1.154847,
                51.46076
            ],
            [
                -1.167602,
                51.460447
            ],
            [
                -1.166874,
                51.460409
            ],
            [
                -1.166542,
                51.460405
            ],
            [
                -1.165523,
                51.460378
            ],
            [
                -1.165049,
                51.460365
            ],
            [
                -1.163885,
                51.460347
            ],
            [
                -1.162933,
                51.460346
            ],
            [
                -1.162388,
                51.460345
            ],
            [
                -1.162357,
                51.460346
            ],
            [
                -1.161552,
                51.460367
            ],
            [
                -1.160788,
                51.460398
            ],
            [
                -1.160571,
                51.460405
            ],
            [
                -1.160247,
                51.460419
            ]
        ]
    ]
}

View road section coordinates

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