M4 Eastbound Jct 4B to M25 Clockwise and Anti-clockwise Jct 15 slip road and link road closure

Planned

Start time: Tue, May 12, 2026 9:00 PM
Expected end: Wed, May 13, 2026 4:30 AM
Duration: 7 hours 30 minutes
Road: M4 – Link Road From M4 J4B Eastbound To M25 J15
Category: Road Maintenance
Direction: Eastbound
Reason: Roadworks

Active

Planned

Cleared

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First published: Tue, May 12, 2026 2:56 AM
Last updated: Tue, May 12, 2026 5:46 PM
Cleared: Wed, May 13, 2026 4:30 AM

Latest update: M4 Eastbound Jct 4B to M25 Clockwise and Anti-clockwise Jct 15 slip road and link road closure

Coordinates: 51.494987, -0.501679
Latitude span: 51.494268 – 51.495699
Longitude span: -0.505476 – -0.499517
Bounding box centre: 51.494984, -0.502497
Location descriptions: link road from M4 J4B eastbound to M25 J15

Feed validity status: Planned
Overall feed start: Tue, May 12, 2026 9:00 PM
Overall feed end: Wed, May 13, 2026 4:30 AM
Feed window length: 7 hours 30 minutes
Probability code (raw): probable
Compliance option (raw): mandatory
Source identification (raw): roadworks

Management type value: carriagewayClosures (Carriageway Closures)
Contra-flow flag (raw): false
Width restriction flag (raw): false
Height restriction flag (raw): false
Weight restriction flag (raw): false

Segment 1

3 coordinate pairs

Description: link road from M4 J4B eastbound to M25 J15
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 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: {21298787-4F37-429A-9C6E-F407918FDCAF}
Linear Element Type: A Carriageway Entry Slip
From Distance: 0 m
To Distance: 96 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.49518 -0.500639
51.495322 -0.500313
51.495699 -0.499517

Segment 2

10 coordinate pairs

Description: link road from M4 J4B eastbound to M25 J15
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 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: {F8ED4782-79F0-478D-801B-C850EBB05D33}
Linear Element Type: A Carriageway Entry Slip
From Distance: 21 m
To Distance: 373 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.494268 -0.505476
51.494656 -0.50327
51.494672 -0.503173
51.494787 -0.502477
51.494917 -0.501713
51.49494 -0.50159
51.494993 -0.50131
51.495054 -0.501031
51.495164 -0.500675
51.49518 -0.500639

Geometry type: MultiLineString
Geometry points: 13
First coordinate pair: -0.500639, 51.495180
Road section segments: 1
Road section points: 13

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.500639,
                51.49518
            ],
            [
                -0.500313,
                51.495322
            ],
            [
                -0.499517,
                51.495699
            ],
            [
                -0.505476,
                51.494268
            ],
            [
                -0.50327,
                51.494656
            ],
            [
                -0.503173,
                51.494672
            ],
            [
                -0.502477,
                51.494787
            ],
            [
                -0.501713,
                51.494917
            ],
            [
                -0.50159,
                51.49494
            ],
            [
                -0.50131,
                51.494993
            ],
            [
                -0.501031,
                51.495054
            ],
            [
                -0.500675,
                51.495164
            ],
            [
                -0.500639,
                51.49518
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Roadworks
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures