Lane 1 closure
Clearedlane 1 closure
- Start time
- Thu, May 21, 2026 7:00 PM
- Expected end
- Fri, May 22, 2026 5:00 AM
- Duration
- 10 hours
- 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
Move Insights
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- First published
- Wed, May 20, 2026 9:21 PM
- Last updated
- Thu, May 21, 2026 6:56 PM
- Cleared
- Fri, May 22, 2026 5:00 AM
- Latest update: lane 1 closure
- Coordinates
- 51.508447, -2.306399
- Latitude span
- 51.502803 – 51.516879
- Longitude span
- -2.329715 – -2.278814
- Bounding box centre
- 51.509841, -2.304265
- Location descriptions
-
- M4 eastbound between J18 and J17
- Feed validity status
- Planned
- Overall feed start
- Thu, May 21, 2026 7:00 PM
- Overall feed end
- Fri, May 22, 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
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
Segment 2
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 -2.329715 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
- Geometry type
- MultiLineString
- Geometry points
- 59
- First coordinate pair
- -2.311406, 51.507324
- Road section segments
- 1
- Road section points
- 59
View geometry JSON
{
"type": "MultiLineString",
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[
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[
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[
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View road section coordinates
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-2.307646,
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-2.295716,
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[
-2.294335,
51.510726
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-2.294292,
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-2.318362,
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-2.316881,
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-2.314897,
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-2.314768,
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-2.313833,
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[
-2.313143,
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],
[
-2.312783,
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-2.311546,
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],
[
-2.311413,
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]
]
]
- Cause type
- Road Maintenance
- Detailed cause
- Tree And Vegetation Cutting Work
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Wed, May 20, 2026 9:21 PM
- Record versioned
- Thu, May 21, 2026 6:56 PM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M48 : Westbound : J1 Aust to J2 Newhouse : 15/06/26-17/06/26 2000-0600 : Improvement work : Onslip closed : Offslip closed : Diversions in place :
Active Roadworks Traffic WalesDescription: M48 : Westbound : J1 Aust to J2 Newhouse : 15/06/26-17/06/26 2000-0600 : Improvement work : Onslip closed : Offslip closed : Diversions in place :, Start time: 15/06/2026 20:00 , End Date: 17/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/06/2026 17:56
M48 : Eastbound : J2 Newhouse to J1 Aust : 17/06/26-19/06/26 2000-0600 : Improvement work : Offslip closed : Onslip closed : Diversions in place :
Active Roadworks Traffic WalesDescription: M48 : Eastbound : J2 Newhouse to J1 Aust : 17/06/26-19/06/26 2000-0600 : Improvement work : Offslip closed : Onslip closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/06/2026 17:57
M4 Eastbound Jct 4 Exit Slip road Lane 3 closure
Planned Roadworks National HighwaysStarts in 18 hours 20 minutes
M4 Eastbound Jct 4 Exit Slip road Lane 3 closure
M4 Eastbound Jct 4 Carriageway closure between the exit and entry slip road
Planned Roadworks National HighwaysStarts in 18 hours 20 minutes
M4 Eastbound Jct 4 Carriageway closure between the exit and entry slip road
M4 eastbound Jct 20 to 19 carriageway closure
Planned Roadworks National HighwaysStarts in 17 hours 20 minutes
M4 eastbound Jct 20 to 19 carriageway closure
M4 eastbound Jct 7 entry slip road closure
Planned Roadworks National HighwaysStarts in 17 hours 20 minutes
M4 eastbound Jct 7 entry slip road closure