M4 eastbound Jct 19 to Jct 18 single lane running (176/6 to 173/6)

Cleared

Start time: Fri, Jul 17, 2026 8:00 PM
Expected end: Sat, Jul 18, 2026 5:00 AM
Duration: 9 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: Roadworks

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, Jul 16, 2026 9:44 AM
Last updated: Sat, Jul 18, 2026 4:45 AM
Cleared: Sat, Jul 18, 2026 5:00 AM

Latest update: M4 eastbound Jct 19 to Jct 18 single lane running (176/6 to 173/6)

Coordinates: 51.498276, -2.432632
Latitude span: 51.497875 – 51.499591
Longitude span: -2.451940 – -2.409341
Bounding box centre: 51.498733, -2.430641
Location descriptions: M4 eastbound between J19 and J18

Feed validity status: Planned
Overall feed start: Fri, Jul 17, 2026 8:00 PM
Overall feed end: Sat, Jul 18, 2026 5:00 AM
Feed window length: 9 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

16 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: 626 m
To Distance: 2,101 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.499591 -2.45194
51.499499 -2.451393
51.499297 -2.450209
51.499139 -2.449185
51.498973 -2.447973
51.498833 -2.447007
51.498511 -2.444238
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

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: 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: 1,500 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.497877 -2.430949
51.497896 -2.428313
51.497914 -2.423271
51.49792 -2.419151
51.497928 -2.416817
51.497932 -2.415838
51.497936 -2.414628
51.497971 -2.412266
51.497959 -2.410537
51.497956 -2.409341

Geometry type: MultiLineString
Geometry points: 26
First coordinate pair: -2.451940, 51.499591
Road section segments: 1
Road section points: 26

View geometry JSON

{
    "type": "MultiLineString",
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            ],
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            ],
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            [
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            [
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            ],
            [
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            ],
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    ]
}

View road section coordinates

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