M4 westbound Jct 15 entry slip closure

Cleared

Start time: Wed, Oct 15, 2025 7:00 PM
Expected end: Thu, Oct 16, 2025 5:00 AM
Duration: 10 hours
Road: M4 – M4 Westbound Between J15 And J16
Category: Road Maintenance
Direction: Westbound
Carriageway: Dual Carriageway
Reason: Tree And Vegetation Cutting Work

Live incident

Active roadworks

Planned

Cleared

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First published: Mon, Oct 13, 2025 12:39 PM
Last updated: Wed, Oct 15, 2025 5:55 PM
Cleared: Thu, Oct 16, 2025 5:00 AM

Latest update: M4 westbound Jct 15 entry slip closure

Coordinates: 51.526964, -1.728728
Latitude span: 51.526248 – 51.527867
Longitude span: -1.733446 – -1.725796
Bounding box centre: 51.527058, -1.729621
Location descriptions: M4 westbound between J15 and J16

M4 J15 westbound access

Feed validity status: Planned
Overall feed start: Wed, Oct 15, 2025 7:00 PM
Overall feed end: Thu, Oct 16, 2025 5:00 AM
Feed window length: 10 hours
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

2 coordinate pairs

Description: M4 westbound between J15 and J16
Carriageway: Dual Carriageway
Lanes Restricted: 4 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: {C4237155-8096-4937-AE72-9138296C1A77}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 31 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.527808 -1.733004
51.527867 -1.733446

Segment 2

13 coordinate pairs

Description: M4 J15 westbound access
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: {2CE9D6C1-6A83-480F-AC44-383D5D7BDEAB}
Linear Element Type: A Carriageway Entry Slip
From Distance: 15 m
To Distance: 547 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.526248 -1.725796
51.526252 -1.725806
51.526394 -1.726069
51.526467 -1.726229
51.526538 -1.72643
51.526609 -1.726677
51.526691 -1.727029
51.52678 -1.72751
51.526947 -1.728349
51.527233 -1.729894
51.527407 -1.730815
51.527415 -1.730859
51.527808 -1.733004

Geometry type: MultiLineString
Geometry points: 15
First coordinate pair: -1.733004, 51.527808
Road section segments: 1
Road section points: 15

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.733004,
                51.527808
            ],
            [
                -1.733446,
                51.527867
            ],
            [
                -1.725796,
                51.526248
            ],
            [
                -1.725806,
                51.526252
            ],
            [
                -1.726069,
                51.526394
            ],
            [
                -1.726229,
                51.526467
            ],
            [
                -1.72643,
                51.526538
            ],
            [
                -1.726677,
                51.526609
            ],
            [
                -1.727029,
                51.526691
            ],
            [
                -1.72751,
                51.52678
            ],
            [
                -1.728349,
                51.526947
            ],
            [
                -1.729894,
                51.527233
            ],
            [
                -1.730815,
                51.527407
            ],
            [
                -1.730859,
                51.527415
            ],
            [
                -1.733004,
                51.527808
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Tree And Vegetation Cutting Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures