M4 westbound Jct 17 exit slip road carriageway closure

Cleared

Start time: Tue, May 26, 2026 8:00 PM
Expected end: Wed, May 27, 2026 5:00 AM
Duration: 9 hours
Road: M4 – M4 J17 Westbound Exit
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: Fri, May 8, 2026 11:15 AM
Last updated: Tue, May 26, 2026 8:06 PM
Cleared: Wed, May 27, 2026 5:00 AM

Latest update: M4 westbound Jct 17 exit slip road carriageway closure

Coordinates: 51.514711, -2.117815
Latitude span: 51.514314 – 51.515043
Longitude span: -2.120641 – -2.112176
Bounding box centre: 51.514679, -2.116409
Location descriptions: M4 J17 westbound exit

M4 westbound between J16 and J17

Feed validity status: Planned
Overall feed start: Tue, May 26, 2026 8:00 PM
Overall feed end: Wed, May 27, 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

17 coordinate pairs

Description: M4 J17 westbound exit
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: {69BA64A8-4C35-4A4E-825E-5D71229AB74F}
Linear Element Type: A Carriageway Exit Slip
From Distance: 0 m
To Distance: 472 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.515043 -2.114009
51.514928 -2.116061
51.514888 -2.116675
51.514873 -2.116911
51.514841 -2.117344
51.514805 -2.117683
51.514789 -2.11783
51.514731 -2.118372
51.514645 -2.119044
51.514515 -2.120153
51.514502 -2.120237
51.514494 -2.120276
51.514486 -2.120316
51.514467 -2.120382
51.514428 -2.120468
51.514366 -2.12058
51.514314 -2.120641

Segment 2

3 coordinate pairs

Description: M4 westbound between J16 and J17
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: {1A07014C-3FA5-435F-A6BF-2CE9F881307C}
Linear Element Type: A Carriageway
From Distance: 1,051 m
To Distance: 1,179 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.515023 -2.112176
51.515032 -2.113132
51.515043 -2.114009

Geometry type: MultiLineString
Geometry points: 20
First coordinate pair: -2.114009, 51.515043
Road section segments: 1
Road section points: 20

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.114009,
                51.515043
            ],
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                -2.116061,
                51.514928
            ],
            [
                -2.116675,
                51.514888
            ],
            [
                -2.116911,
                51.514873
            ],
            [
                -2.117344,
                51.514841
            ],
            [
                -2.117683,
                51.514805
            ],
            [
                -2.11783,
                51.514789
            ],
            [
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            ],
            [
                -2.119044,
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            ],
            [
                -2.120153,
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            ],
            [
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            ],
            [
                -2.120276,
                51.514494
            ],
            [
                -2.120316,
                51.514486
            ],
            [
                -2.120382,
                51.514467
            ],
            [
                -2.120468,
                51.514428
            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
                -2.113132,
                51.515032
            ],
            [
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            ]
        ]
    ]
}

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