M4 eastbound Jct 18 to Jct 17 hard shoulder closure

Planned

Start time: Tue, Oct 27, 2026 7:00 AM
Expected end: Tue, Oct 27, 2026 5:00 PM
Duration: 10 hours
Road: M4 – M4 Eastbound Between J18 And J17
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, Oct 22, 2026 1:10 PM
Last updated: Tue, Oct 27, 2026 1:31 AM
Cleared: Tue, Oct 27, 2026 5:00 PM

Latest update: M4 eastbound Jct 18 to Jct 17 hard shoulder closure

Coordinates: 51.510150, -2.191202
Latitude span: 51.509740 – 51.510815
Longitude span: -2.204415 – -2.178448
Bounding box centre: 51.510278, -2.191432
Location descriptions: M4 eastbound between J18 and J17

Feed validity status: Planned
Overall feed start: Tue, Oct 27, 2026 7:00 AM
Overall feed end: Tue, Oct 27, 2026 5:00 PM
Feed window length: 10 hours
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 J18 and J17
Carriageway: Dual Carriageway
Lane Usage: Lh
Lane Number: 0
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 0 lanes 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: {376D27BB-D216-447C-8A62-9E34EAED0F6E}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 116 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.509757 -2.180121
51.50974 -2.178448

Segment 2

4 coordinate pairs

Description: M4 eastbound between J18 and J17
Carriageway: Dual Carriageway
Lane Usage: Lh
Lane Number: 0
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 0 lanes restricted
Operational Lanes: 4 operational lanes
Direction On Section: East Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {D11158CF-5948-45E3-9CBE-5CE969278834}
Linear Element Type: B Carriageway
From Distance: 1,924 m
To Distance: 2,183 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.510815 -2.204415
51.51081 -2.204347
51.510749 -2.20341
51.510565 -2.2007

Segment 3

11 coordinate pairs

Description: M4 eastbound between J18 and J17
Carriageway: Dual Carriageway
Lane Usage: Lh
Lane Number: 0
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 0 lanes 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: {8F3D00DD-09FA-4868-B128-221F56BF2075}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 1,431 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.510565 -2.2007
51.510285 -2.195915
51.510154 -2.193667
51.510097 -2.192312
51.509989 -2.189718
51.509946 -2.188709
51.509946 -2.188651
51.509818 -2.184573
51.509784 -2.183118
51.509769 -2.181504
51.509757 -2.180121

Geometry type: MultiLineString
Geometry points: 17
First coordinate pair: -2.180121, 51.509757
Road section segments: 1
Road section points: 17

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.180121,
                51.509757
            ],
            [
                -2.178448,
                51.50974
            ],
            [
                -2.204415,
                51.510815
            ],
            [
                -2.204347,
                51.51081
            ],
            [
                -2.20341,
                51.510749
            ],
            [
                -2.2007,
                51.510565
            ],
            [
                -2.2007,
                51.510565
            ],
            [
                -2.195915,
                51.510285
            ],
            [
                -2.193667,
                51.510154
            ],
            [
                -2.192312,
                51.510097
            ],
            [
                -2.189718,
                51.509989
            ],
            [
                -2.188709,
                51.509946
            ],
            [
                -2.188651,
                51.509946
            ],
            [
                -2.184573,
                51.509818
            ],
            [
                -2.183118,
                51.509784
            ],
            [
                -2.181504,
                51.509769
            ],
            [
                -2.180121,
                51.509757
            ]
        ]
    ]
}

View road section coordinates

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