M4 eastbound Jct 16 to Jct 15 hardshoulder closure (128/4 to 124/0)
PlannedM4 eastbound Jct 16 to Jct 15 hardshoulder closure (128/4 to 124/0)
- Start time
- Thu, Aug 20, 2026 8:00 AM
- Expected end
- Thu, Aug 20, 2026 2:00 PM
- Duration
- 6 hours
- Road
- M4 – M4 Eastbound Between J16 And J15
- Category
- Road Maintenance
- Direction
- Eastbound
- Carriageway
- Dual Carriageway
- Lanes affected
- 1 of 2 lanes affected
- Reason
- Tree And Vegetation Cutting Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
Move Insights
Thinking of moving to this area?
Check flood risk, planning history, EPC ratings and more with a Move Insights property report.
Flood risk assessment
Planning history
EPC ratings & more
- First published
- Wed, Aug 19, 2026 1:07 PM
- Last updated
- Thu, Aug 20, 2026 5:18 AM
- Cleared
- Thu, Aug 20, 2026 2:00 PM
- Latest update: M4 eastbound Jct 16 to Jct 15 hardshoulder closure (128/4 to 124/0)
- Coordinates
- 51.532876, -1.763188
- Latitude span
- 51.527830 – 51.539527
- Longitude span
- -1.791237 – -1.731494
- Bounding box centre
- 51.533679, -1.761366
- Location descriptions
-
- M4 eastbound between J16 and J15
- M4 J15 eastbound exit
- Feed validity status
- Planned
- Overall feed start
- Thu, Aug 20, 2026 8:00 AM
- Overall feed end
- Thu, Aug 20, 2026 2:00 PM
- Feed window length
- 6 hours
- Probability code (raw)
- probable
- 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 J16 and J15
- 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
- {CFBEE345-7EE4-46E5-AA8F-31FD0679CD61}
- Linear Element Type
- B Carriageway
- From Distance
- 1,257 m
- To Distance
- 1,744 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.539527 -1.791237 51.539287 -1.789733 51.539069 -1.78858 51.538942 -1.787932 51.538779 -1.787154 51.538371 -1.785469 51.538281 -1.785109 51.538145 -1.784576
Segment 2
19 coordinate pairs- Description
- M4 eastbound between J16 and J15
- 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
- {95FB0BED-3A9B-4CB6-9376-26106669AB7B}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 1,226 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.530101 -1.75016 51.530036 -1.749094 51.52999 -1.748517 51.529943 -1.74784 51.529869 -1.746947 51.529812 -1.74637 51.529704 -1.745295 51.529695 -1.745203 51.529521 -1.743619 51.529301 -1.741904 51.529182 -1.74104 51.529163 -1.740896 51.529063 -1.740161 51.528773 -1.738303 51.52868 -1.737713 51.528571 -1.737079 51.528471 -1.736431 51.528197 -1.734703 51.527959 -1.732834
Segment 3
44 coordinate pairs- Description
- M4 eastbound between J16 and J15
- 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
- {797CCDBE-7F97-436B-A8DC-51C9C982D29F}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 2,570 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.538109 -1.784432 51.538 -1.784029 51.537656 -1.782776 51.537222 -1.781337 51.536869 -1.780257 51.536779 -1.779969 51.536697 -1.77971 51.536516 -1.779149 51.536254 -1.778443 51.536064 -1.777928 51.535947 -1.777609 51.535576 -1.776659 51.535305 -1.775997 51.534926 -1.775076 51.534781 -1.774673 51.534546 -1.774054 51.534438 -1.773759 51.534176 -1.773047 51.533467 -1.770919 51.533398 -1.770715 51.533136 -1.769808 51.532927 -1.769103 51.53261 -1.767937 51.532547 -1.767692 51.532375 -1.767015 51.532048 -1.765662 51.531767 -1.764395 51.531585 -1.763473 51.531431 -1.762681 51.531358 -1.762282 51.531313 -1.762033 51.531204 -1.761384 51.530994 -1.760088 51.530967 -1.759915 51.530866 -1.759267 51.53072 -1.758143 51.53062 -1.757279 51.53051 -1.756314 51.530498 -1.756184 51.530326 -1.754253 51.530261 -1.753345 51.530205 -1.752264 51.530129 -1.750621 51.530101 -1.75016
Segment 4
2 coordinate pairs- Description
- M4 eastbound between J16 and J15
- 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
- {04153171-98EE-4D9F-87AE-ED09369C2236}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 10 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.538145 -1.784576 51.538109 -1.784432
Segment 5
2 coordinate pairs- Description
- M4 J15 eastbound exit
- Lane Usage
- Lh
- Lane Number
- 0
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 1 lane 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
- {AF55EFAC-F2A6-45C0-86FD-2719C48C9653}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 93 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.527959 -1.732834 51.52783 -1.731494
- Geometry type
- MultiLineString
- Geometry points
- 75
- First coordinate pair
- -1.791237, 51.539527
- Road section segments
- 1
- Road section points
- 75
View geometry JSON
{
"type": "MultiLineString",
"coordinates": [
[
[
-1.791237,
51.539527
],
[
-1.789733,
51.539287
],
[
-1.78858,
51.539069
],
[
-1.787932,
51.538942
],
[
-1.787154,
51.538779
],
[
-1.785469,
51.538371
],
[
-1.785109,
51.538281
],
[
-1.784576,
51.538145
],
[
-1.75016,
51.530101
],
[
-1.749094,
51.530036
],
[
-1.748517,
51.52999
],
[
-1.74784,
51.529943
],
[
-1.746947,
51.529869
],
[
-1.74637,
51.529812
],
[
-1.745295,
51.529704
],
[
-1.745203,
51.529695
],
[
-1.743619,
51.529521
],
[
-1.741904,
51.529301
],
[
-1.74104,
51.529182
],
[
-1.740896,
51.529163
],
[
-1.740161,
51.529063
],
[
-1.738303,
51.528773
],
[
-1.737713,
51.52868
],
[
-1.737079,
51.528571
],
[
-1.736431,
51.528471
],
[
-1.734703,
51.528197
],
[
-1.732834,
51.527959
],
[
-1.784432,
51.538109
],
[
-1.784029,
51.538
],
[
-1.782776,
51.537656
],
[
-1.781337,
51.537222
],
[
-1.780257,
51.536869
],
[
-1.779969,
51.536779
],
[
-1.77971,
51.536697
],
[
-1.779149,
51.536516
],
[
-1.778443,
51.536254
],
[
-1.777928,
51.536064
],
[
-1.777609,
51.535947
],
[
-1.776659,
51.535576
],
[
-1.775997,
51.535305
],
[
-1.775076,
51.534926
],
[
-1.774673,
51.534781
],
[
-1.774054,
51.534546
],
[
-1.773759,
51.534438
],
[
-1.773047,
51.534176
],
[
-1.770919,
51.533467
],
[
-1.770715,
51.533398
],
[
-1.769808,
51.533136
],
[
-1.769103,
51.532927
],
[
-1.767937,
51.53261
],
[
-1.767692,
51.532547
],
[
-1.767015,
51.532375
],
[
-1.765662,
51.532048
],
[
-1.764395,
51.531767
],
[
-1.763473,
51.531585
],
[
-1.762681,
51.531431
],
[
-1.762282,
51.531358
],
[
-1.762033,
51.531313
],
[
-1.761384,
51.531204
],
[
-1.760088,
51.530994
],
[
-1.759915,
51.530967
],
[
-1.759267,
51.530866
],
[
-1.758143,
51.53072
],
[
-1.757279,
51.53062
],
[
-1.756314,
51.53051
],
[
-1.756184,
51.530498
],
[
-1.754253,
51.530326
],
[
-1.753345,
51.530261
],
[
-1.752264,
51.530205
],
[
-1.750621,
51.530129
],
[
-1.75016,
51.530101
],
[
-1.784576,
51.538145
],
[
-1.784432,
51.538109
],
[
-1.732834,
51.527959
],
[
-1.731494,
51.52783
]
]
]
}
View road section coordinates
[
[
[
-1.791237,
51.539527
],
[
-1.789733,
51.539287
],
[
-1.78858,
51.539069
],
[
-1.787932,
51.538942
],
[
-1.787154,
51.538779
],
[
-1.785469,
51.538371
],
[
-1.785109,
51.538281
],
[
-1.784576,
51.538145
],
[
-1.75016,
51.530101
],
[
-1.749094,
51.530036
],
[
-1.748517,
51.52999
],
[
-1.74784,
51.529943
],
[
-1.746947,
51.529869
],
[
-1.74637,
51.529812
],
[
-1.745295,
51.529704
],
[
-1.745203,
51.529695
],
[
-1.743619,
51.529521
],
[
-1.741904,
51.529301
],
[
-1.74104,
51.529182
],
[
-1.740896,
51.529163
],
[
-1.740161,
51.529063
],
[
-1.738303,
51.528773
],
[
-1.737713,
51.52868
],
[
-1.737079,
51.528571
],
[
-1.736431,
51.528471
],
[
-1.734703,
51.528197
],
[
-1.732834,
51.527959
],
[
-1.784432,
51.538109
],
[
-1.784029,
51.538
],
[
-1.782776,
51.537656
],
[
-1.781337,
51.537222
],
[
-1.780257,
51.536869
],
[
-1.779969,
51.536779
],
[
-1.77971,
51.536697
],
[
-1.779149,
51.536516
],
[
-1.778443,
51.536254
],
[
-1.777928,
51.536064
],
[
-1.777609,
51.535947
],
[
-1.776659,
51.535576
],
[
-1.775997,
51.535305
],
[
-1.775076,
51.534926
],
[
-1.774673,
51.534781
],
[
-1.774054,
51.534546
],
[
-1.773759,
51.534438
],
[
-1.773047,
51.534176
],
[
-1.770919,
51.533467
],
[
-1.770715,
51.533398
],
[
-1.769808,
51.533136
],
[
-1.769103,
51.532927
],
[
-1.767937,
51.53261
],
[
-1.767692,
51.532547
],
[
-1.767015,
51.532375
],
[
-1.765662,
51.532048
],
[
-1.764395,
51.531767
],
[
-1.763473,
51.531585
],
[
-1.762681,
51.531431
],
[
-1.762282,
51.531358
],
[
-1.762033,
51.531313
],
[
-1.761384,
51.531204
],
[
-1.760088,
51.530994
],
[
-1.759915,
51.530967
],
[
-1.759267,
51.530866
],
[
-1.758143,
51.53072
],
[
-1.757279,
51.53062
],
[
-1.756314,
51.53051
],
[
-1.756184,
51.530498
],
[
-1.754253,
51.530326
],
[
-1.753345,
51.530261
],
[
-1.752264,
51.530205
],
[
-1.750621,
51.530129
],
[
-1.75016,
51.530101
],
[
-1.784576,
51.538145
],
[
-1.784432,
51.538109
],
[
-1.732834,
51.527959
],
[
-1.731494,
51.52783
]
]
]
- Cause type
- Road Maintenance
- Detailed cause
- Tree And Vegetation Cutting Work
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Wed, Aug 19, 2026 1:07 PM
- Record versioned
- Thu, Aug 20, 2026 5:18 AM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M25 Clockwise Jct 15 to Jct 16 and M4 Eastbound and westbound link road closure to M25 Anti-clockwise
Planned Roadworks National Highways
Slough
M4 · Link Road From M4 J4B Eastbound To M25 J15
Starts in 15 hours 21 minutes
Starts 20 Aug 2026, 21:00
Expected clear 21 Aug 2026, 04:30
M25 Clockwise Jct 15 to Jct 16 and M4 Eastbound and westbound link road closure to M25 Anti-clockwise
Category: Road Maintenance
View update
A419 both directions M4 Jct 15 to White Hart - lane 2 closure
Planned Roadworks National Highways
Swindon
A419 · A419 Northbound Between A4259 And A420
Starts in 14 hours 21 minutes
Starts 20 Aug 2026, 20:00
Expected clear 21 Aug 2026, 05:00
A419 both directions M4 Jct 15 to White Hart - lane 2 closure
Category: Road Maintenance
View update
M4 eastbound lane 3 and 2 closure (82/7 to 80/1)
Planned Roadworks National Highways
West Berkshire
M4 · M4 Eastbound Between J13 And J12
Starts in 13 hours 21 minutes
Starts 20 Aug 2026, 19:00
Expected clear 21 Aug 2026, 05:00
M4 eastbound lane 3 and 2 closure (82/7 to 80/1)
Category: Road Maintenance
View update
Single lane running
Planned Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Between J19 And J18
Starts in 13 hours 21 minutes
Starts 20 Aug 2026, 19:00
Expected clear 21 Aug 2026, 05:00
single lane running
Category: Road Maintenance
View update
M4 westbound Jct 17 exit and entry slip roads lane closures
Planned Roadworks National Highways
Wiltshire
M4 · M4 J17 Westbound Exit
Starts in 13 hours 21 minutes
Starts 20 Aug 2026, 19:00
Expected clear 21 Aug 2026, 05:00
M4 westbound Jct 17 exit and entry slip roads lane closures
Category: Road Maintenance
View update
M4 eastbound lanes 1 and 2 closed
Planned Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Between J19 And J18
Starts in 13 hours 21 minutes
Starts 20 Aug 2026, 19:00
Expected clear 21 Aug 2026, 05:00
M4 eastbound lanes 1 and 2 closed
Category: Construction Work
View update