M4 Westbound Jct 4 to M25 Anticlockwise Jct 15 Carriageway closure

Planned

Start time: Tue, Feb 3, 2026 10:00 PM
Expected end: Wed, Feb 4, 2026 5:30 AM
Duration: 7 hours 30 minutes
Road: M25 – Link Road From M4 J4B Westbound To M25 J15 Anti-Clockwise
Category: Road Maintenance
Direction: Anticlockwise
Reason: Roadworks

Active

Planned

Cleared

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First published: Mon, Jan 26, 2026 2:00 PM
Last updated: Tue, Feb 3, 2026 7:39 AM
Cleared: Wed, Feb 4, 2026 5:30 AM

Latest update: M4 Westbound Jct 4 to M25 Anticlockwise Jct 15 Carriageway closure

Coordinates: 51.492899, -0.491790
Latitude span: 51.491773 – 51.493720
Longitude span: -0.493593 – -0.490088
Bounding box centre: 51.492747, -0.491841
Location descriptions: link road from M4 J4B westbound to M25 J15 anti-clockwise

link road from M4 J4B westbound to M25 J15

Feed validity status: Planned
Overall feed start: Tue, Feb 3, 2026 10:00 PM
Overall feed end: Wed, Feb 4, 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: 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

7 coordinate pairs

Description: link road from M4 J4B westbound to M25 J15 anti-clockwise
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: Anticlockwise
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M25
Linear Element Model: The Network Model
Linear Element Id: {27ADE64F-7BCD-48C3-94FE-EFA6955E4B69}
Linear Element Type: B Carriageway Entry Slip
From Distance: 0 m
To Distance: 130 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.493696 -0.490163
51.493523 -0.49063
51.493479 -0.490746
51.493418 -0.490907
51.493208 -0.491375
51.493077 -0.491653
51.493042 -0.491719

Segment 2

2 coordinate pairs

Description: link road from M4 J4B westbound to M25 J15
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: West Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {85BDE29F-7804-469F-8833-D56D7807DFB7}
Linear Element Type: B Carriageway Entry Slip
From Distance: 757 m
To Distance: 763 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.49372 -0.490088
51.493696 -0.490163

Segment 3

8 coordinate pairs

Description: link road from M4 J4B westbound to M25 J15 anti-clockwise
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: Anticlockwise
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M25
Linear Element Model: The Network Model
Linear Element Id: {88C13D25-8F75-479A-B0E8-01D485131285}
Linear Element Type: B Carriageway Entry Slip
From Distance: 0 m
To Distance: 192 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.493042 -0.491719
51.492831 -0.492108
51.492611 -0.492475
51.492408 -0.492799
51.492019 -0.493316
51.491895 -0.493458
51.491851 -0.493509
51.491773 -0.493593

Geometry type: MultiLineString
Geometry points: 17
First coordinate pair: -0.490163, 51.493696
Road section segments: 1
Road section points: 17

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.490163,
                51.493696
            ],
            [
                -0.49063,
                51.493523
            ],
            [
                -0.490746,
                51.493479
            ],
            [
                -0.490907,
                51.493418
            ],
            [
                -0.491375,
                51.493208
            ],
            [
                -0.491653,
                51.493077
            ],
            [
                -0.491719,
                51.493042
            ],
            [
                -0.490088,
                51.49372
            ],
            [
                -0.490163,
                51.493696
            ],
            [
                -0.491719,
                51.493042
            ],
            [
                -0.492108,
                51.492831
            ],
            [
                -0.492475,
                51.492611
            ],
            [
                -0.492799,
                51.492408
            ],
            [
                -0.493316,
                51.492019
            ],
            [
                -0.493458,
                51.491895
            ],
            [
                -0.493509,
                51.491851
            ],
            [
                -0.493593,
                51.491773
            ]
        ]
    ]
}

View road section coordinates

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