M25 Anticlockwise Jc15 to M4 Eastbound link Road Lane CLosure

Planned

Start time: Wed, Mar 18, 2026 10:00 PM
Expected end: Thu, Mar 19, 2026 5:30 AM
Duration: 7 hours 30 minutes
Road: M4 – M4 Eastbound Between J4B And J4
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 1 of 4 lanes affected, 1 of 2 lanes affected
Reason: Roadworks

Active

Planned

Cleared

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First published: Wed, Mar 18, 2026 4:37 AM
Last updated: Thu, Mar 19, 2026 3:47 AM
Cleared: Thu, Mar 19, 2026 5:30 AM

Latest update: M25 Anticlockwise Jc15 to M4 Eastbound link Road Lane CLosure

Coordinates: 51.494557, -0.481483
Latitude span: 51.494520 – 51.494622
Longitude span: -0.485041 – -0.478736
Bounding box centre: 51.494571, -0.481889
Location descriptions: M4 eastbound between J4B and J4

link road from M25 J15 to M4 J4B eastbound

Feed validity status: Planned
Overall feed start: Wed, Mar 18, 2026 10:00 PM
Overall feed end: Thu, Mar 19, 2026 5:30 AM
Feed window length: 7 hours 30 minutes
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

2 coordinate pairs

Description: M4 eastbound between J4B and J4
Carriageway: Dual Carriageway
Lanes Restricted: 1 lane restricted
Operational Lanes: 4 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: {6C74E352-01F1-450C-B9F1-385A3B48DFE5}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 37 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.49452 -0.479278
51.494543 -0.478736

Segment 2

6 coordinate pairs

Description: link road from M25 J15 to M4 J4B eastbound
Lanes Restricted: 1 lane 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: {240D0741-1C89-4FFD-80CD-BF4A5CDA04E4}
Linear Element Type: B Carriageway Exit Slip
From Distance: 327 m
To Distance: 727 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.494622 -0.485041
51.494604 -0.484558
51.494563 -0.482759
51.494537 -0.481593
51.494543 -0.480623
51.49452 -0.479278

Geometry type: MultiLineString
Geometry points: 8
First coordinate pair: -0.479278, 51.494520
Road section segments: 1
Road section points: 8

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.479278,
                51.49452
            ],
            [
                -0.478736,
                51.494543
            ],
            [
                -0.485041,
                51.494622
            ],
            [
                -0.484558,
                51.494604
            ],
            [
                -0.482759,
                51.494563
            ],
            [
                -0.481593,
                51.494537
            ],
            [
                -0.480623,
                51.494543
            ],
            [
                -0.479278,
                51.49452
            ]
        ]
    ]
}

View road section coordinates

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