M4 eastbound Jct 18 to 17 - hard shoulder closure (166/2 to 161/4)
ClearedM4 eastbound Jct 18 to 17 - hard shoulder closure (166/2 to 161/4)
- Start time
- Fri, Oct 16, 2026 5:41 AM
- Expected end
- Fri, Oct 16, 2026 5:00 PM
- Duration
- 4 hours 34 minutes 2 seconds
- Road
- M4 – M4 Eastbound Between J18 And J17
- Category
- Road Maintenance
- Direction
- Eastbound
- Carriageway
- Dual Carriageway
- Reason
- Maintenance Work
Move Insights
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- First published
- Fri, Oct 16, 2026 5:41 AM
- Last updated
- Fri, Oct 16, 2026 9:41 AM
- Cleared
- Fri, Oct 16, 2026 10:15 AM
- Latest update: M4 eastbound Jct 18 to 17 - hard shoulder closure (166/2 to 161/4)
- Coordinates
- 51.515646, -2.274055
- Latitude span
- 51.508386 – 51.518951
- Longitude span
- -2.305505 – -2.241276
- Bounding box centre
- 51.513669, -2.273391
- Location descriptions
-
- M4 eastbound between J18 and J17
- Feed validity status
- Active
- Overall feed start
- Fri, Oct 16, 2026 5:41 AM
- Overall feed end
- Fri, Oct 16, 2026 5:00 PM
- Feed window length
- 11 hours 19 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
8 coordinate pairs- Description
- M4 eastbound between J18 and J17
- Carriageway
- Dual Carriageway
- Lane Usage
- Lh
- Lane Number
- 0
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 4 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
- {4FB2D3E4-9D88-4F28-A736-D687BA408E9A}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 296 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.518936 -2.263735 51.518911 -2.262955 51.518877 -2.262147 51.51885 -2.261816 51.518807 -2.261311 51.518781 -2.260806 51.518685 -2.259653 51.518665 -2.259487
Segment 2
13 coordinate pairs- Description
- M4 eastbound between J18 and J17
- Carriageway
- Dual Carriageway
- Lane Usage
- Lh
- Lane Number
- 0
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 4 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
- {D4402748-44C2-4997-9A7E-D2D01A23967A}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,317 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.518665 -2.259487 51.518632 -2.25922 51.518455 -2.257908 51.518198 -2.256335 51.51794 -2.25495 51.517655 -2.253594 51.517113 -2.250925 51.516232 -2.246381 51.516048 -2.245371 51.515805 -2.244044 51.51558 -2.242774 51.515365 -2.241467 51.515334 -2.241276
Segment 3
33 coordinate pairs- Description
- M4 eastbound between J18 and J17
- Carriageway
- Dual Carriageway
- Lane Usage
- Lh
- Lane Number
- 0
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 4 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
- 426 m
- To Distance
- 2,912 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.508386 -2.305505 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 51.517096 -2.278091 51.517495 -2.276739 51.517804 -2.275501 51.517867 -2.275213 51.518058 -2.274378 51.518184 -2.273651 51.518186 -2.273644
Segment 4
14 coordinate pairs- Description
- M4 eastbound between J18 and J17
- Carriageway
- Dual Carriageway
- Lane Usage
- Lh
- Lane Number
- 0
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 4 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
- {919B07E5-8FE5-4A7F-9E98-CB529E9E2771}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 695 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.518186 -2.273644 51.518523 -2.271499 51.518605 -2.270995 51.518744 -2.26954 51.51878 -2.269166 51.518855 -2.268099 51.518911 -2.267033 51.518929 -2.266572 51.51893 -2.266529 51.518951 -2.265376 51.518945 -2.26441 51.518944 -2.264266 51.518945 -2.264007 51.518936 -2.263735
- Geometry type
- MultiLineString
- Geometry points
- 68
- First coordinate pair
- -2.263735, 51.518936
- Road section segments
- 1
- Road section points
- 68
View geometry JSON
{
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View road section coordinates
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51.51885
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51.518807
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- Cause type
- Road Maintenance
- Detailed cause
- Maintenance Work
- Compliance
- Mandatory
- Probability
- Certain
- Validity status
- Active
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 2
- Record created
- Fri, Oct 16, 2026 5:41 AM
- Record versioned
- Fri, Oct 16, 2026 9:41 AM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M4 westbound Jct 20 exit slip road to M5 northbound Jct 15 - carriageway closed
Active Roadworks National HighwaysExpected to clear in 1 month 2 weeks
M4 westbound Jct 20 exit slip road to M5 northbound Jct 15 - carriageway closed
M48 eastbound Jct 2 to Jct 1 hard shoulder closure 199/9-194/6
Planned Roadworks National HighwaysExpected to clear in 1 day 6 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 2 weeks
contra flow westbound with eastbound closed from Horseshoe Drive
M48 : Both directions : Dewstoe overbridge to Crick overbridge : 20/10/26-31/03/27 2000-0600 : Improvement work : Lane closed :
Active Roadworks Traffic WalesDescription: M48 : Both directions : Dewstoe overbridge to Crick overbridge : 20/10/26-31/03/27 2000-0600 : Improvement work : Lane closed :, Start time: 20/10/2026 20:00 , End Date: 31/03/2027 6:00, Severity: Moderate, Source: Welsh Government, Last updated: 14/10/2026 13:02
M48 eastbound Jct 2 to Jct 1 lane closure 199/9-194/6
Cleared Roadworks National HighwaysExpected to clear in 18 hours 28 minutes
M48 eastbound Jct 2 to Jct 1 lane closure 199/9-194/6
M4 Eastbound Jct 3 to Jct 2 lane 1 closure
Planned Roadworks National HighwaysStarts in 11 hours 28 minutes
M4 Eastbound Jct 3 to Jct 2 lane 1 closure