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Single lane running

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Single lane running

Single lane running

Cleared

single lane running

Start time: Thu, Sep 17, 2026 7:00 PM
Expected end: Fri, Sep 18, 2026 5:00 AM
Duration: 10 hours
Road: M4 – M4 Eastbound Between J19 And J18
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 2 lanes affected
Reason: Maintenance Work

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First published: Thu, Sep 3, 2026 12:13 PM
Last updated: Fri, Sep 18, 2026 4:28 AM
Cleared: Fri, Sep 18, 2026 5:00 AM

Latest update: single lane running

Coordinates: 51.498022, -2.435786
Latitude span: 51.497875 – 51.498456
Longitude span: -2.443709 – -2.429399
Bounding box centre: 51.498166, -2.436554
Location descriptions: M4 eastbound between J19 and J18

Feed validity status: Planned
Overall feed start: Thu, Sep 17, 2026 7:00 PM
Overall feed end: Fri, Sep 18, 2026 5:00 AM
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 J19 and J18
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 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: {AE403C52-5D62-47F7-9FDF-592C93083448}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 107 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.497877 -2.430949
51.497888 -2.429399

Segment 2

10 coordinate pairs

Description: M4 eastbound between J19 and J18
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 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: {ECE92394-6379-4B07-B9E8-82CA83CEA3C5}
Linear Element Type: B Carriageway
From Distance: 1,212 m
To Distance: 2,101 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.498456 -2.443709
51.498355 -2.442723
51.498217 -2.441022
51.498012 -2.438067
51.497964 -2.436597
51.49794 -2.435833
51.497916 -2.435084
51.497885 -2.433557
51.497875 -2.43154
51.497877 -2.430949

Geometry type: MultiLineString
Geometry points: 12
First coordinate pair: -2.430949, 51.497877
Road section segments: 1
Road section points: 12

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.430949,
                51.497877
            ],
            [
                -2.429399,
                51.497888
            ],
            [
                -2.443709,
                51.498456
            ],
            [
                -2.442723,
                51.498355
            ],
            [
                -2.441022,
                51.498217
            ],
            [
                -2.438067,
                51.498012
            ],
            [
                -2.436597,
                51.497964
            ],
            [
                -2.435833,
                51.49794
            ],
            [
                -2.435084,
                51.497916
            ],
            [
                -2.433557,
                51.497885
            ],
            [
                -2.43154,
                51.497875
            ],
            [
                -2.430949,
                51.497877
            ]
        ]
    ]
}

View road section coordinates

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

Feed provider: National Highways
Data source: Roadworks
Feed version: 1
Record created: Thu, Sep 3, 2026 12:13 PM
Record versioned: Fri, Sep 18, 2026 4:28 AM
Coordinate source: Geometry

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A466 : Both directions : M48 J2 Newhouse to A48 Interchange : Resurfacing work : Road closed : Diversions in place : 12/10/26-15/10/26 2000-0600 :

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Started Start time TBC

Description: A466 : Both directions : M48 J2 Newhouse to A48 Interchange : Resurfacing work : Road closed : Diversions in place : 12/10/26-15/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 15/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 11:57

View update