M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 175/4)
ClearedM4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 175/4)
- Start time
- Tue, Jul 21, 2026 6:47 PM
- Expected end
- Wed, Jul 22, 2026 5:00 AM
- Duration
- 9 hours 23 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
- Tue, Jul 21, 2026 6:58 PM
- Last updated
- Wed, Jul 22, 2026 3:48 AM
- Cleared
- Wed, Jul 22, 2026 4:10 AM
- Latest update: M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 175/4)
- Coordinates
- 51.503332, -2.469746
- Latitude span
- 51.497918 – 51.506542
- Longitude span
- -2.494489 – -2.435157
- Bounding box centre
- 51.502230, -2.464823
- Location descriptions
-
- M4 eastbound between J19 and J18
- Feed validity status
- Active
- Overall feed start
- Tue, Jul 21, 2026 6:47 PM
- Overall feed end
- Wed, Jul 22, 2026 5:00 AM
- Feed window length
- 10 hours 13 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
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
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
20 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
- 1,809 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 51.497918 -2.435157
Segment 4
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
- Geometry type
- MultiLineString
- Geometry points
- 59
- First coordinate pair
- -2.490076, 51.506376
- Road section segments
- 1
- Road section points
- 59
View geometry JSON
{
"type": "MultiLineString",
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-2.450209,
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-2.435833,
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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
- 1
- Record created
- Tue, Jul 21, 2026 6:58 PM
- Record versioned
- Wed, Jul 22, 2026 3:48 AM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M48 eastbound Jct 2 to Jct 1 lane closure and speed restriction 198/5-194/7
Active Roadworks National Highways
South Gloucestershire
M48 · M48 Eastbound Between J2 And J1
Expected to clear in 1 day 17 hours
Started 3 Aug 2026, 03:53
Expected clear 8 Aug 2026, 02:00
M48 eastbound Jct 2 to Jct 1 lane closure and speed restriction 198/5-194/7
Category: Road Maintenance
View update
M5 northbound Jct 16 to 14 - carriageway closed
Planned Roadworks National Highways
South Gloucestershire
M5 · M5 Northbound Within J16
Starts in 12 hours 46 minutes
Starts 6 Aug 2026, 21:00
Expected clear 7 Aug 2026, 05:00
M5 northbound Jct 16 to 14 - carriageway closed
Category: Road Maintenance
View update
M4 Eastbound Jct 4 to Jct 3 lane 2,3 closure
Planned Roadworks National Highways
Hounslow
M4 · M4 Eastbound Between J4 And J3
Starts in 12 hours 46 minutes
Starts 6 Aug 2026, 21:00
Expected clear 7 Aug 2026, 04:30
M4 Eastbound Jct 4 to Jct 3 lane 2,3 closure
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 12 hours 46 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 eastbound Jct 20 - lane closure (188/3 to 186/9)
Planned Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Within J20
Starts in 12 hours 16 minutes
Starts 6 Aug 2026, 20:30
Expected clear 7 Aug 2026, 05:00
M4 eastbound Jct 20 - lane closure (188/3 to 186/9)
Category: Road Maintenance
View update
M4 eastbound lane 1, 2 and 3 closure (34/6 to 31/5)
Planned Roadworks National Highways
Slough
M4 · M4 Eastbound Between J6 And J5
Starts in 11 hours 46 minutes
Starts 6 Aug 2026, 20:00
Expected clear 7 Aug 2026, 05:00
M4 eastbound lane 1, 2 and 3 closure (34/6 to 31/5)
Category: Road Maintenance
View update