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Lane 1 closure

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Lane 1 closure

Lane 1 closure

Cleared

lane 1 closure

Start time: Tue, Sep 15, 2026 6:44 AM
Expected end: Tue, Sep 15, 2026 2:00 PM
Duration: 5 hours 21 minutes 2 seconds
Road: M4 – M4 Eastbound Between J18 And J17
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 1 of 3 lanes affected
Reason: Tree And Vegetation Cutting Work

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First published: Tue, Sep 15, 2026 6:44 AM
Last updated: Tue, Sep 15, 2026 11:12 AM
Cleared: Tue, Sep 15, 2026 12:05 PM

Latest update: lane 1 closure

Coordinates: 51.508447, -2.306400
Latitude span: 51.502803 – 51.516879
Longitude span: -2.329720 – -2.278814
Bounding box centre: 51.509841, -2.304267
Location descriptions: M4 eastbound between J18 and J17

Feed validity status: Active
Overall feed start: Tue, Sep 15, 2026 6:44 AM
Overall feed end: Tue, Sep 15, 2026 2:00 PM
Feed window length: 7 hours 16 minutes
Probability code (raw): certain
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

26 coordinate pairs

Description: M4 eastbound between J18 and J17
Carriageway: Dual Carriageway
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: {D9231117-AD99-4029-8CA5-B6B638AB534E}
Linear Element Type: B Carriageway
From Distance: 124 m
To Distance: 1,494 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.502803 -2.32972
51.502846 -2.329424
51.502947 -2.328805
51.503184 -2.327452
51.503312 -2.326762
51.50344 -2.326085
51.503695 -2.324834
51.503832 -2.324259
51.504086 -2.323158
51.504105 -2.323079
51.50425 -2.322475
51.504396 -2.3219
51.504823 -2.320289
51.505158 -2.319225
51.505394 -2.318362
51.505709 -2.317356
51.505857 -2.316881
51.506057 -2.316234
51.506447 -2.314897
51.506482 -2.314768
51.506737 -2.313833
51.50691 -2.313143
51.507001 -2.312783
51.507292 -2.311546
51.507322 -2.311413
51.507324 -2.311406

Segment 2

33 coordinate pairs

Description: M4 eastbound between J18 and J17
Carriageway: Dual Carriageway
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: {8546E8B8-A966-4086-8977-AC3900EB6B05}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 2,524 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.507324 -2.311406
51.507325 -2.311402
51.507438 -2.310898
51.507702 -2.309603
51.507848 -2.308812
51.508058 -2.307646
51.508259 -2.306365
51.508387 -2.305501
51.508561 -2.304249
51.508607 -2.303976
51.508689 -2.303429
51.508954 -2.301845
51.509273 -2.30019
51.509546 -2.298939
51.509719 -2.29819
51.510037 -2.296867
51.510345 -2.295716
51.510726 -2.294335
51.510744 -2.294292
51.511044 -2.293314
51.511714 -2.291301
51.511886 -2.290783
51.51233 -2.28959
51.512638 -2.288727
51.513777 -2.286141
51.514075 -2.285508
51.515214 -2.283123
51.51544 -2.282635
51.515539 -2.282405
51.515883 -2.281585
51.51629 -2.280536
51.516715 -2.279357
51.516879 -2.278814

Geometry type: MultiLineString
Geometry points: 59
First coordinate pair: -2.329720, 51.502803
Road section segments: 1
Road section points: 59

View geometry JSON

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            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Tree And Vegetation Cutting Work
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Other

Feed provider: National Highways
Data source: Roadworks
Feed version: 2
Record created: Tue, Sep 15, 2026 6:44 AM
Record versioned: Tue, Sep 15, 2026 11:12 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