M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 172/9)
ClearedM4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 172/9)
- Start time
- Wed, Jul 15, 2026 6:53 PM
- Expected end
- Thu, Jul 16, 2026 5:00 AM
- Duration
- 9 hours 32 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
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
- Wed, Jul 15, 2026 6:53 PM
- Last updated
- Thu, Jul 16, 2026 4:05 AM
- Cleared
- Thu, Jul 16, 2026 4:25 AM
- Latest update: M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 172/9)
- Coordinates
- 51.501965, -2.456028
- Latitude span
- 51.497875 – 51.506542
- Longitude span
- -2.494489 – -2.399252
- Bounding box centre
- 51.502209, -2.446871
- Location descriptions
-
- M4 eastbound between J19 and J18
- Feed validity status
- Active
- Overall feed start
- Wed, Jul 15, 2026 6:53 PM
- Overall feed end
- Thu, Jul 16, 2026 5:00 AM
- Feed window length
- 10 hours 7 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
7 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
- {4FC55118-21B8-4C2A-8C78-DCFC2676C5E1}
- Linear Element Type
- B Carriageway
- From Distance
- 236 m
- To Distance
- 549 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.505797 -2.494489 51.505947 -2.49363 51.506003 -2.493227 51.506077 -2.492695 51.506188 -2.491889 51.506263 -2.49127 51.506376 -2.490076
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 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 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
- 2,200 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 51.497979 -2.399252
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
Segment 5
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
- 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
- 0 m
- To Distance
- 1,215 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.506376 -2.490076 51.506394 -2.489932 51.506452 -2.489111 51.50649 -2.488621 51.506509 -2.487959 51.506521 -2.487527 51.506542 -2.48672 51.506538 -2.485668 51.506523 -2.484861 51.506482 -2.483881 51.50644 -2.483247 51.506363 -2.482237 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
- Geometry type
- MultiLineString
- Geometry points
- 79
- First coordinate pair
- -2.494489, 51.505797
- Road section segments
- 1
- Road section points
- 79
View geometry JSON
{
"type": "MultiLineString",
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View road section coordinates
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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
- 3
- Record created
- Wed, Jul 15, 2026 6:53 PM
- Record versioned
- Thu, Jul 16, 2026 4:05 AM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M5 Both Directions Jct 9 to Jct 15 mobile lane closures
Planned Roadworks National Highways
South Gloucestershire
M5 · M5 Northbound Between J15 And J14
Expected to clear in 1 hour 23 minutes
Started 5 Aug 2026, 19:00
Expected clear 6 Aug 2026, 05:00
M5 Both Directions Jct 9 to Jct 15 mobile lane closures
Category: Road Maintenance
View update
M4 Eastbound Jct 3 to Jct 1 Carriageway closure
Planned Roadworks National Highways
Hounslow
M4 · M4 J2 Eastbound Access
Starts in 17 hours 23 minutes
Starts 6 Aug 2026, 21:00
Expected clear 7 Aug 2026, 04:30
M4 Eastbound Jct 3 to Jct 1 Carriageway closure
Category: Road Maintenance
View update
M4 westbound Jct 11 entry slip road closure
Planned Roadworks National Highways
Reading
M4 · M4 J11 Westbound Access
Starts in 16 hours 23 minutes
Starts 6 Aug 2026, 20:00
Expected clear 7 Aug 2026, 05:00
M4 westbound Jct 11 entry slip road closure
Category: Road Maintenance
View update
M4 eastbound lane 1 closure (99/2 to 98/1)
Cleared Roadworks National Highways
West Berkshire
M4 · M4 Eastbound Between J14 And J13
Expected to clear in 1 day 1 hour
Started 6 Aug 2026, 20:00
Expected clear 7 Aug 2026, 05:00
M4 eastbound lane 1 closure (99/2 to 98/1)
Category: Road Maintenance
View update
M4 eastbound Jct 22 to Jct 23 Prince of Wales bridge - lane closure 201/8-198/1
Planned Roadworks National Highways
Monmouthshire
M4 · M4 Eastbound Between J23 And J22
Starts in 15 hours 23 minutes
Starts 6 Aug 2026, 19:00
Expected clear 7 Aug 2026, 05:00
M4 eastbound Jct 22 to Jct 23 Prince of Wales bridge - lane closure 201/8-198/1
Category: Road Maintenance
View update
M4 eastbound Jct 18 to 17 - single lane running (166/1 to 161/7)
Planned Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Between J18 And J17
Starts in 15 hours 23 minutes
Starts 6 Aug 2026, 19:00
Expected clear 7 Aug 2026, 05:00
M4 eastbound Jct 18 to 17 - single lane running (166/1 to 161/7)
Category: Road Maintenance
View update