M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running
ClearedM4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running
- Start time
- Sat, Sep 26, 2026 6:52 PM
- Expected end
- Sun, Sep 27, 2026 5:00 AM
- Duration
- 5 hours 8 minutes 2 seconds
- 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
Move Insights
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- First published
- Sat, Sep 26, 2026 6:52 PM
- Last updated
- Sat, Sep 26, 2026 11:45 PM
- Cleared
- Sun, Sep 27, 2026 12:00 AM
- Latest update: M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running
- Coordinates
- 51.500388, -2.444510
- Latitude span
- 51.497875 – 51.506147
- Longitude span
- -2.480348 – -2.403518
- Bounding box centre
- 51.502011, -2.441933
- Location descriptions
-
- M4 eastbound between J19 and J18
- Feed validity status
- Active
- Overall feed start
- Sat, Sep 26, 2026 6:52 PM
- Overall feed end
- Sun, Sep 27, 2026 5:00 AM
- Feed window length
- 10 hours 8 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
23 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
- 0 m
- To Distance
- 2,101 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.501451 -2.46046 51.501115 -2.459102 51.500832 -2.457903 51.500673 -2.457196 51.500416 -2.456055 51.500055 -2.454294 51.499869 -2.453442 51.499675 -2.452446 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
9 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
- {C3679DF2-03F3-4CA4-BB4D-FDC094D96E6A}
- Linear Element Type
- B Carriageway
- From Distance
- 679 m
- To Distance
- 1,215 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.506147 -2.480348 51.506076 -2.479857 51.505883 -2.478688 51.505727 -2.477865 51.505725 -2.47785 51.505522 -2.476854 51.505336 -2.476088 51.504589 -2.473064 51.504586 -2.473052
Segment 3
17 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
- 1,904 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 51.497955 -2.409096 51.497958 -2.408347 51.497962 -2.407223 51.497959 -2.405754 51.497959 -2.40548 51.497961 -2.404746 51.497956 -2.403608 51.497957 -2.403518
Segment 4
9 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 End2
- Linear Element Road
- M4
- Linear Element Model
- The Network Model
- Linear Element Id
- {D220B0D0-30D4-43FF-9FDC-24DE0B352023}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 941 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.504586 -2.473052 51.504496 -2.472708 51.504407 -2.472361 51.503708 -2.469502 51.502956 -2.466511 51.502266 -2.463705 51.501947 -2.46241 51.50169 -2.461398 51.501451 -2.46046
- Geometry type
- MultiLineString
- Geometry points
- 58
- First coordinate pair
- -2.460460, 51.501451
- Road section segments
- 1
- Road section points
- 58
View geometry JSON
{
"type": "MultiLineString",
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51.500673
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51.500416
],
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51.499869
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[
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51.49794
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View road section coordinates
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-2.46046,
51.501451
],
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-2.459102,
51.501115
],
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51.500832
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-2.454294,
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[
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51.499139
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[
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51.498973
],
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-2.447007,
51.498833
],
[
-2.444238,
51.498511
],
[
-2.442723,
51.498355
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-2.441022,
51.498217
],
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-2.438067,
51.498012
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[
-2.436597,
51.497964
],
[
-2.435833,
51.49794
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[
-2.435084,
51.497916
],
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-2.433557,
51.497885
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-2.404746,
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],
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-2.403608,
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[
-2.403518,
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-2.466511,
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]
- Cause type
- Road Maintenance
- Detailed cause
- Roadworks
- Compliance
- Mandatory
- Probability
- Certain
- Validity status
- Active
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Sat, Sep 26, 2026 6:52 PM
- Record versioned
- Sat, Sep 26, 2026 11:45 PM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M4 Eastbound Jct 2 exit slip road closure
Active Roadworks National HighwaysExpected to clear in 4 hours 48 minutes
M4 Eastbound Jct 2 exit slip road closure
A40 eastbound lane 2 closure
Planned Roadworks National HighwaysExpected to clear in 5 hours 18 minutes
A40 eastbound lane 2 closure
M48 eastbound Jct 2 to Jct 1 hard shoulder closure 199/9-194/6
Planned Roadworks National HighwaysExpected to clear in 4 days 5 hours
M48 eastbound Jct 2 to Jct 1 hard shoulder closure 199/9-194/6
Contra flow westbound with eastbound closed from Horseshoe Drive
Active Roadworks National HighwaysExpected to clear in 2 months 3 weeks
contra flow westbound with eastbound closed from Horseshoe Drive
A466 : Both directions : M48 J2 Newhouse to A48 Interchange : Resurfacing work : Road closed : Diversions in place : 12/10/26-15/10/26 2000-0600 :
Active Roadworks Traffic WalesDescription: 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: 12/10/2026 20:00
M4 Eastbound Jct 3 to Jct 2 lane 1 closure
Cleared Roadworks National HighwaysCleared 11 minutes 17 seconds ago
M4 Eastbound Jct 3 to Jct 2 lane 1 closure