M4 westbound Jct 6 entry slip road closure

Planned

Start time: Wed, Aug 5, 2026 8:00 PM
Expected end: Thu, Aug 6, 2026 5:00 AM
Duration: 9 hours
Road: M4 – M4 J6 Westbound Access
Category: Road Maintenance
Direction: Westbound
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Jul 29, 2026 1:43 PM
Last updated: Wed, Aug 5, 2026 5:16 AM
Cleared: Thu, Aug 6, 2026 5:00 AM

Latest update: M4 westbound Jct 6 entry slip road closure

Coordinates: 51.503799, -0.620827
Latitude span: 51.502848 – 51.504709
Longitude span: -0.624178 – -0.617429
Bounding box centre: 51.503779, -0.620804
Location descriptions: M4 J6 westbound access

Feed validity status: Planned
Overall feed start: Wed, Aug 5, 2026 8:00 PM
Overall feed end: Thu, Aug 6, 2026 5:00 AM
Feed window length: 9 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

6 coordinate pairs

Description: M4 J6 westbound access
Lanes Restricted: 1 lane 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: {7090A777-3F1F-520A-6913-B6CAB7C03A6D}
Linear Element Type: A Carriageway Entry Slip
From Distance: 0 m
To Distance: 159 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.50412 -0.622102
51.504166 -0.62217
51.504206 -0.622333
51.504452 -0.623332
51.504575 -0.623829
51.504709 -0.624178

Segment 2

8 coordinate pairs

Description: M4 J6 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: {E340A428-EF2B-4EA2-B69D-5CDF75266B60}
Linear Element Type: A Carriageway Entry Slip
From Distance: 8 m
To Distance: 363 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.502848 -0.617429
51.502947 -0.617588
51.502993 -0.617687
51.503058 -0.617858
51.503144 -0.618259
51.503842 -0.621033
51.504009 -0.621676
51.50412 -0.622102

Geometry type: MultiLineString
Geometry points: 14
First coordinate pair: -0.622102, 51.504120
Road section segments: 1
Road section points: 14

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.622102,
                51.50412
            ],
            [
                -0.62217,
                51.504166
            ],
            [
                -0.622333,
                51.504206
            ],
            [
                -0.623332,
                51.504452
            ],
            [
                -0.623829,
                51.504575
            ],
            [
                -0.624178,
                51.504709
            ],
            [
                -0.617429,
                51.502848
            ],
            [
                -0.617588,
                51.502947
            ],
            [
                -0.617687,
                51.502993
            ],
            [
                -0.617858,
                51.503058
            ],
            [
                -0.618259,
                51.503144
            ],
            [
                -0.621033,
                51.503842
            ],
            [
                -0.621676,
                51.504009
            ],
            [
                -0.622102,
                51.50412
            ]
        ]
    ]
}

View road section coordinates

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