M4 eastbound Jct 18 to Jct 17 single lane running (166/8 to 161/0)
ActiveM4 eastbound Jct 18 to Jct 17 single lane running (166/8 to 161/0)
- Start time
- Mon, Oct 26, 2026 7:49 PM
- Expected end
- Tue, Oct 27, 2026 6:00 AM
- Duration
- 10 hours 11 minutes
- Road
- M4 – M4 Eastbound Between J18 And J17
- Category
- Road Maintenance
- Direction
- Eastbound
- Carriageway
- Dual Carriageway
- Lanes affected
- 2 of 2 lanes affected
- Reason
- Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
Move Insights
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Flood risk assessment
Planning history
EPC ratings & more
- First published
- Mon, Oct 26, 2026 7:49 PM
- Last updated
- Mon, Oct 26, 2026 10:35 PM
- Cleared
- Tue, Oct 27, 2026 6:00 AM
- Latest update: M4 eastbound Jct 18 to Jct 17 single lane running (166/8 to 161/0)
- Coordinates
- 51.514439, -2.276785
- Latitude span
- 51.506763 – 51.518951
- Longitude span
- -2.313730 – -2.235509
- Bounding box centre
- 51.512857, -2.274620
- Location descriptions
-
- M4 eastbound between J18 and J17
- Feed validity status
- Active
- Overall feed start
- Mon, Oct 26, 2026 7:49 PM
- Overall feed end
- Tue, Oct 27, 2026 6:00 AM
- Feed window length
- 10 hours 11 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
13 coordinate pairs- Description
- M4 eastbound between J18 and J17
- 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
- {D4402748-44C2-4997-9A7E-D2D01A23967A}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,338 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 51.515287 -2.240986
Segment 2
14 coordinate pairs- Description
- M4 eastbound between J18 and J17
- 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
- {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
Segment 3
6 coordinate pairs- Description
- M4 eastbound between J18 and J17
- 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
- {D9231117-AD99-4029-8CA5-B6B638AB534E}
- Linear Element Type
- B Carriageway
- From Distance
- 1,321 m
- To Distance
- 1,494 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.506763 -2.31373 51.50691 -2.313143 51.507001 -2.312783 51.507292 -2.311546 51.507322 -2.311413 51.507324 -2.311406
Segment 4
8 coordinate pairs- Description
- M4 eastbound between J18 and J17
- 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
- {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 5
6 coordinate pairs- Description
- M4 eastbound between J18 and J17
- 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
- {381BE922-5588-4AE9-9E82-D07A77620361}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 392 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.515287 -2.240986 51.515216 -2.240574 51.515147 -2.240155 51.514957 -2.238968 51.514651 -2.237151 51.514397 -2.235509
Segment 6
39 coordinate pairs- Description
- M4 eastbound between J18 and J17
- 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
- {8546E8B8-A966-4086-8977-AC3900EB6B05}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 2,912 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 51.517096 -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
- Geometry type
- MultiLineString
- Geometry points
- 86
- First coordinate pair
- -2.259487, 51.518665
- Road section segments
- 1
- Road section points
- 86
View geometry JSON
{
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View road section coordinates
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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
- 1
- Record created
- Mon, Oct 26, 2026 7:49 PM
- Record versioned
- Mon, Oct 26, 2026 10:35 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 lane 1 closure (59/3 to 57/3)
Active Roadworks National Highways
Wokingham
M4 · M4 Eastbound Between J11 And J10
Expected to clear in 6 hours 55 minutes
Started 26 Oct 2026, 20:52
Expected clear 27 Oct 2026, 06:00
M4 eastbound lane 1 closure (59/3 to 57/3)
Category: Road Maintenance
View update
M4 Jct 7 southbound Huntercoombe Spur lane 1 closure
Active Roadworks National Highways
Slough
M4 · Link Road From A4 To M4 J7
Expected to clear in 6 hours 55 minutes
Started 26 Oct 2026, 20:40
Expected clear 27 Oct 2026, 06:00
M4 Jct 7 southbound Huntercoombe Spur lane 1 closure
Category: Road Maintenance
View update
M5 Both Directions Jct 9 to Jct 15 mobile lane closures
Planned Roadworks National Highways
South Gloucestershire
M5 · M5 Northbound Within J15
Expected to clear in 6 hours 55 minutes
Started 26 Oct 2026, 20:00
Expected clear 27 Oct 2026, 06:00
M5 Both Directions Jct 9 to Jct 15 mobile lane closures
Category: Road Maintenance
View update
M4 eastbound hard shoulder + lane 1 and lane 2 closure (106/2 to 104/9)
Active Roadworks National Highways
West Berkshire
M4 · M4 Eastbound Between J15 And J14
Expected to clear in 6 hours 55 minutes
Started 26 Oct 2026, 19:56
Expected clear 27 Oct 2026, 06:00
M4 eastbound hard shoulder + lane 1 and lane 2 closure (106/2 to 104/9)
Category: Road Maintenance
View update
M4 eastbound lane 3 closure (81/1 to 80/4)
Active Roadworks National Highways
West Berkshire
M4 · M4 Eastbound Between J13 And J12
Expected to clear in 6 hours 55 minutes
Started 26 Oct 2026, 19:43
Expected clear 27 Oct 2026, 06:00
M4 eastbound lane 3 closure (81/1 to 80/4)
Category: Road Maintenance
View update
M48 eastbound Jct 2 to Jct 1 hard shoulder closure 199/9-194/6
Planned Roadworks National Highways
South Gloucestershire
M48 · M48 Eastbound Between J2 And J1
Expected to clear in 4 days 4 hours
Started 26 Oct 2026, 09:30
Expected clear 31 Oct 2026, 04:00
M48 eastbound Jct 2 to Jct 1 hard shoulder closure 199/9-194/6
Category: Road Maintenance
View update