M4 eastbound lane 3 closure (77/6 to 78/3

Cleared

Start time: Tue, Sep 22, 2026 7:00 PM
Expected end: Wed, Sep 23, 2026 5:00 AM
Duration: 9 hours 5 minutes 1 second
Road: M4 – M4 Eastbound Between J13 And J12
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: Lane 3 closed, 1 of 3 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Tue, Sep 22, 2026 9:20 AM
Last updated: Wed, Sep 23, 2026 3:46 AM
Cleared: Wed, Sep 23, 2026 4:05 AM

Latest update: M4 eastbound lane 3 closure (77/6 to 78/3

Coordinates: 51.459535, -1.123786
Latitude span: 51.459342 – 51.459885
Longitude span: -1.128923 – -1.119181
Bounding box centre: 51.459614, -1.124052
Location descriptions: M4 eastbound between J13 and J12

Feed validity status: Planned
Overall feed start: Tue, Sep 22, 2026 7:00 PM
Overall feed end: Wed, Sep 23, 2026 5:00 AM
Feed window length: 10 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

9 coordinate pairs

Description: M4 eastbound between J13 and J12
Carriageway: Dual Carriageway
Lane Usage: Cl3
Lane Number: 3
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: Start2 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {4AD60F3B-22BC-4023-AFF0-6CBC2877B4D5}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 365 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.459448 -1.124389
51.459503 -1.123366
51.459552 -1.122645
51.459597 -1.122068
51.459618 -1.121799
51.459626 -1.121693
51.459743 -1.120482
51.45979 -1.120049
51.459885 -1.119181

Segment 2

6 coordinate pairs

Description: M4 eastbound between J13 and J12
Carriageway: Dual Carriageway
Lane Usage: Cl3
Lane Number: 3
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: Start2 End2
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {9695D72A-EDBE-4694-AF32-A05282F8BFED}
Linear Element Type: B Carriageway
From Distance: 994 m
To Distance: 1,310 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.459342 -1.128923
51.459348 -1.127917
51.459348 -1.127816
51.459367 -1.126823
51.45941 -1.125253
51.459448 -1.124389

Geometry type: MultiLineString
Geometry points: 15
First coordinate pair: -1.124389, 51.459448
Road section segments: 1
Road section points: 15

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.124389,
                51.459448
            ],
            [
                -1.123366,
                51.459503
            ],
            [
                -1.122645,
                51.459552
            ],
            [
                -1.122068,
                51.459597
            ],
            [
                -1.121799,
                51.459618
            ],
            [
                -1.121693,
                51.459626
            ],
            [
                -1.120482,
                51.459743
            ],
            [
                -1.120049,
                51.45979
            ],
            [
                -1.119181,
                51.459885
            ],
            [
                -1.128923,
                51.459342
            ],
            [
                -1.127917,
                51.459348
            ],
            [
                -1.127816,
                51.459348
            ],
            [
                -1.126823,
                51.459367
            ],
            [
                -1.125253,
                51.45941
            ],
            [
                -1.124389,
                51.459448
            ]
        ]
    ]
}

View road section coordinates

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