M4 eastbound Jct 19 to Jct 18 lane 1&2 closure (178/8 to 173/5)
ClearedM4 eastbound Jct 19 to Jct 18 lane 1&2 closure (178/8 to 173/5)
- Start time
- Fri, Jun 26, 2026 7:31 PM
- Expected end
- Sat, Jun 27, 2026 5:00 AM
- Duration
- 8 hours 4 minutes 1 second
- 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
Hover or tap markers for full details
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Flood risk assessment
Planning history
EPC ratings & more
- First published
- Fri, Jun 26, 2026 7:31 PM
- Last updated
- Sat, Jun 27, 2026 3:15 AM
- Cleared
- Sat, Jun 27, 2026 3:35 AM
- Latest update: M4 eastbound Jct 19 to Jct 18 lane 1&2 closure (178/8 to 173/5)
- Coordinates
- 51.500919, -2.450048
- Latitude span
- 51.497875 – 51.506322
- Longitude span
- -2.481820 – -2.407838
- Bounding box centre
- 51.502099, -2.444829
- Location descriptions
-
- M4 eastbound between J19 and J18
- Feed validity status
- Active
- Overall feed start
- Fri, Jun 26, 2026 7:31 PM
- Overall feed end
- Sat, Jun 27, 2026 5:00 AM
- Feed window length
- 9 hours 29 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
12 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
- 1,604 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 51.49796 -2.407838
Segment 2
12 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
- 575 m
- To Distance
- 1,215 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.506322 -2.48182 51.506268 -2.481271 51.506162 -2.480463 51.506155 -2.480405 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
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
Segment 4
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
- Geometry type
- MultiLineString
- Geometry points
- 56
- First coordinate pair
- -2.430949, 51.497877
- Road section segments
- 1
- Road section points
- 56
View geometry JSON
{
"type": "MultiLineString",
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51.49792
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-2.416817,
51.497928
],
[
-2.415838,
51.497932
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[
-2.414628,
51.497936
],
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51.497959
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51.506322
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[
-2.480405,
51.506155
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[
-2.479857,
51.506076
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[
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51.505883
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[
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[
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51.505725
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51.500055
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51.499499
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-2.441022,
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-2.435833,
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-2.433557,
51.497885
],
[
-2.43154,
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}
View road section coordinates
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],
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],
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51.49792
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51.497928
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51.497971
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51.49796
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51.506322
],
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51.506268
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-2.480463,
51.506162
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51.506155
],
[
-2.479857,
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],
[
-2.478688,
51.505883
],
[
-2.477865,
51.505727
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51.505725
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51.505522
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-2.447007,
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-2.444238,
51.498511
],
[
-2.442723,
51.498355
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[
-2.441022,
51.498217
],
[
-2.438067,
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],
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-2.436597,
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[
-2.435833,
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[
-2.435084,
51.497916
],
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-2.433557,
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],
[
-2.43154,
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],
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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
- Fri, Jun 26, 2026 7:31 PM
- Record versioned
- Sat, Jun 27, 2026 3:15 AM
- 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 23 to 22 lane 1 and 2 closed (203/3B to 195/7B)
Active Roadworks National Highways
Monmouthshire
M4 · M4 Eastbound Within J22
Expected to clear in 9 hours 2 minutes
Started 7 Jul 2026, 19:17
Expected clear 8 Jul 2026, 05:00
M4 eastbound Jct 23 to 22 lane 1 and 2 closed (203/3B to 195/7B)
Category: Road Maintenance
View update
M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 175/4)
Planned Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Between J19 And J18
Expected to clear in 9 hours 2 minutes
Started 7 Jul 2026, 19:09
Expected clear 8 Jul 2026, 05:00
M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 175/4)
Category: Road Maintenance
View update
M4 eastbound lane 1, 2 and 3 closure (47/0 - 41/6)
Planned Roadworks National Highways
Windsor And Maidenhead
M4 · Roundabout At M4 J8/A404(M) J9/A308(M)
Expected to clear in 9 hours 2 minutes
Started 7 Jul 2026, 19:00
Expected clear 8 Jul 2026, 05:00
M4 eastbound lane 1, 2 and 3 closure (47/0 - 41/6)
Category: Road Maintenance
View update
Lane closure in both directions
Active Roadworks National Highways
South Gloucestershire
A40 · A40 Eastbound Between A48 And A417 Near Gloucester (West)
Expected to clear in 2 weeks 6 days
Started 30 Jun 2026, 04:00
Expected clear 28 Jul 2026, 04:00
lane closure in both directions
Category: Road Maintenance
View update
M48 eastbound Jct 2 to 1 hard shoulder closure (199/9B to 194/6B)
Active Roadworks National Highways
South Gloucestershire
M48 · M48 Eastbound Between J2 And J1
Expected to clear in 3 weeks 3 days
Started 29 Jun 2026, 04:06
Expected clear 31 Jul 2026, 23:00
M48 eastbound Jct 2 to 1 hard shoulder closure (199/9B to 194/6B)
Category: Road Maintenance
View update
M5 Northbound Jct 15 to 14 lane 1 closure 119/9b - 118/9b
Planned Roadworks National Highways
South Gloucestershire
M5 · M5 Northbound Within J14
Starts in 2 minutes 14 seconds
Starts 7 Jul 2026, 20:00
Expected clear 8 Jul 2026, 05:00
M5 Northbound Jct 15 to 14 lane 1 closure 119/9b - 118/9b
Category: Road Maintenance
View update