Crash View

M4 eastbound lane 4 and 3 closure (59/3 to 53/7)

Planned

M4 eastbound lane 4 and 3 closure (59/3 to 53/7)

Start time
Mon, Aug 24, 2026 7:30 PM
Expected end
Tue, Aug 25, 2026 5:00 AM
Duration
9 hours 30 minutes
Road
M4 – M4 Eastbound Within J10 After A329(M) Westbound Access
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
2 of 1 lanes affected, 2 of 2 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Aug 14, 2026 8:56 AM
Last updated
Mon, Aug 24, 2026 12:23 AM
Cleared
Tue, Aug 25, 2026 5:00 AM
  • Latest update: M4 eastbound lane 4 and 3 closure (59/3 to 53/7)
Coordinates
51.433134, -0.851540
Latitude span
51.424331 – 51.448677
Longitude span
-0.883372 – -0.815648
Bounding box centre
51.436504, -0.849510
Location descriptions
  • M4 eastbound within J10 after A329(M) westbound access
  • M4 eastbound between J11 and J10
  • M4 eastbound between J10 and J8
  • M4 eastbound within J10 before A329(M) westbound access
Feed validity status
Planned
Overall feed start
Mon, Aug 24, 2026 7:30 PM
Overall feed end
Tue, Aug 25, 2026 5:00 AM
Feed window length
9 hours 30 minutes
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

3 coordinate pairs
Description
M4 eastbound within J10 after A329(M) westbound access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{8A65B0C8-092E-44C1-B879-5959E2409A2C}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
157 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.432717 -0.852527
51.433097 -0.851827
51.433636 -0.850793

Segment 2

8 coordinate pairs
Description
M4 eastbound between J11 and J10
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
{EDDC4228-5672-46FE-BB21-9E4E614596D8}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
244 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.424942 -0.869463
51.42497 -0.869307
51.425069 -0.868741
51.425132 -0.868437
51.425233 -0.867945
51.425311 -0.867627
51.425475 -0.866933
51.425686 -0.866163

Segment 3

3 coordinate pairs
Description
M4 eastbound within J10 after A329(M) westbound access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{FC8C6F65-3AB9-4E25-B8E4-051B9A4E11F8}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
17 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.431081 -0.85533
51.431179 -0.855183
51.431196 -0.855154

Segment 4

31 coordinate pairs
Description
M4 eastbound between J10 and J8
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
{7AF4385E-0F9A-456D-A606-9FAC8C9E1D1C}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
1,698 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.43736 -0.840487
51.437415 -0.840272
51.437625 -0.839657
51.437794 -0.839174
51.43832 -0.837716
51.438506 -0.837237
51.438967 -0.83607
51.439 -0.835984
51.439462 -0.834862
51.439868 -0.833918
51.440285 -0.833004
51.440345 -0.832871
51.440448 -0.832648
51.440535 -0.832465
51.440549 -0.832436
51.441147 -0.831195
51.441663 -0.830182
51.442236 -0.829097
51.442511 -0.828601
51.443111 -0.827536
51.443914 -0.826078
51.444076 -0.825804
51.444451 -0.825081
51.444499 -0.824989
51.445554 -0.822898
51.445763 -0.822446
51.445995 -0.821953
51.44611 -0.82172
51.446243 -0.821432
51.446456 -0.820971
51.446466 -0.820947

Segment 5

4 coordinate pairs
Description
M4 eastbound within J10 after A329(M) westbound access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{B16D416B-C9CC-4A8F-899E-9FBA91AE3CB6}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
207 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.431338 -0.854935
51.431551 -0.854599
51.43239 -0.853125
51.432602 -0.852746

Segment 6

2 coordinate pairs
Description
M4 eastbound within J10 after A329(M) westbound access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{AAAD4ADB-7523-4F4D-B48A-DC0B6CB9328F}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
21 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.431196 -0.855154
51.431338 -0.854935

Segment 7

20 coordinate pairs
Description
M4 eastbound between J11 and J10
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{5C11CD8C-9D62-4E59-979A-444EA798C6F9}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
859 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.424645 -0.881696
51.424616 -0.881481
51.424463 -0.879528
51.424421 -0.87894
51.424398 -0.878523
51.424345 -0.877532
51.424331 -0.876123
51.424333 -0.875936
51.42434 -0.875217
51.42437 -0.874525
51.424408 -0.873834
51.424412 -0.873776
51.424464 -0.873056
51.424538 -0.872335
51.42457 -0.871975
51.424603 -0.871701
51.424687 -0.871051
51.424737 -0.870647
51.42489 -0.869694
51.424942 -0.869463

Segment 8

4 coordinate pairs
Description
M4 eastbound between J11 and J10
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{6129B0E0-272E-4961-B39B-72CBF1BA253E}
Linear Element Type
B Carriageway
From Distance
690 m
To Distance
807 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.424762 -0.883372
51.424728 -0.882801
51.424646 -0.881753
51.424645 -0.881696

Segment 9

7 coordinate pairs
Description
M4 eastbound between J10 and J8
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
{3CE24F5C-CF44-448E-80B7-3242B16E43EA}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
443 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.446466 -0.820947
51.446536 -0.820781
51.446996 -0.819751
51.447321 -0.819002
51.447561 -0.818451
51.448286 -0.816659
51.448677 -0.815648

Segment 10

4 coordinate pairs
Description
M4 eastbound between J10 and J8
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
{11B226A6-656A-9C81-F214-0DD8E66203C5}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
343 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.435985 -0.844904
51.436862 -0.842008
51.437353 -0.840505
51.43736 -0.840487

Segment 11

3 coordinate pairs
Description
M4 eastbound within J10 after A329(M) westbound access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{C04EC518-952A-765F-3CB6-022EEB72FEC7}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
103 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.433636 -0.850793
51.433814 -0.850451
51.434207 -0.849621

Segment 12

14 coordinate pairs
Description
M4 eastbound within J10 before A329(M) westbound access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{8EF61ABE-15CA-444D-AAF0-E82CD6933D54}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
675 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.426978 -0.862451
51.427238 -0.86185
51.427374 -0.861535
51.427673 -0.860881
51.427858 -0.860502
51.427964 -0.860327
51.428 -0.860254
51.428495 -0.85935
51.428689 -0.859
51.429442 -0.85783
51.429832 -0.857231
51.430541 -0.856192
51.431072 -0.855344
51.431081 -0.85533

Segment 13

9 coordinate pairs
Description
M4 eastbound between J11 and J10
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{B5001807-E16D-AB31-03CE-99BDAE4EF400}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
295 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.425686 -0.866163
51.425709 -0.866078
51.425822 -0.865687
51.426006 -0.865107
51.426294 -0.864223
51.426548 -0.863512
51.426723 -0.863047
51.426767 -0.86296
51.426978 -0.862451

Segment 14

2 coordinate pairs
Description
M4 eastbound within J10 after A329(M) westbound access
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{135A7FEB-F46E-4407-85A2-D40F78BF6096}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
19 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.432602 -0.852746
51.432717 -0.852527

Segment 15

11 coordinate pairs
Description
M4 eastbound between J10 and J8
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
1 operational lane
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
{52A34971-2557-4DF9-879D-3E8E4918A029}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
383 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.434207 -0.849621
51.434268 -0.849489
51.434383 -0.849218
51.434463 -0.84903
51.43461 -0.848676
51.435013 -0.847703
51.435232 -0.847125
51.435459 -0.846484
51.435848 -0.845309
51.43596 -0.844984
51.435985 -0.844904
Geometry type
MultiLineString
Geometry points
125
First coordinate pair
-0.852527, 51.432717
Road section segments
1
Road section points
125
View geometry JSON 
{
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            ],
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            ],
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View road section coordinates 
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Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Fri, Aug 14, 2026 8:56 AM
Record versioned
Mon, Aug 24, 2026 12:23 AM
Coordinate source
Geometry

Driving on the M4? See every live closure, roadwork and planned restriction on this road.

M4 live closures

Related incidents

M4 westbound Jct 17 exit and entry slip roads lane closures

Planned Roadworks National Highways
Wiltshire M4 · M4 J17 Westbound Exit

Starts in 16 hours 20 minutes

Starts 24 Aug 2026, 19:00 Expected clear 25 Aug 2026, 05:00

M4 westbound Jct 17 exit and entry slip roads lane closures

Category: Road Maintenance
View update

M4 eastbound Jct 5 entry slip road lane closures

Planned Roadworks National Highways
Slough M4 · M4 J5 Eastbound Access

Starts in 16 hours 20 minutes

Starts 24 Aug 2026, 19:00 Expected clear 25 Aug 2026, 05:00

M4 eastbound Jct 5 entry slip road lane closures

Category: Road Maintenance
View update

M4 jct 19 to 15 Eastbound 181/0b to 124/0b lane 3 closure

Planned Roadworks National Highways
Wiltshire M4 · M4 Eastbound Between J17 And J16

Starts in 16 hours 20 minutes

Starts 24 Aug 2026, 19:00 Expected clear 25 Aug 2026, 05:00

M4 jct 19 to 15 Eastbound 181/0b to 124/0b lane 3 closure

Category: Road Maintenance
View update

M4 eastbound Jct 16 to Jct 15 hardshoulder closure (128/4 to 124/0)

Planned Roadworks National Highways
Swindon M4 · M4 Eastbound Between J16 And J15

Starts in 5 hours 20 minutes

Starts 24 Aug 2026, 08:00 Expected clear 24 Aug 2026, 14:00

M4 eastbound Jct 16 to Jct 15 hardshoulder closure (128/4 to 124/0)

Category: Road Maintenance
View update

M4 eastbound hard shoulder closure (78/4 to 77/9)

Planned Roadworks National Highways
West Berkshire M4 · M4 Eastbound Between J13 And J12

Starts in 5 hours 20 minutes

Starts 24 Aug 2026, 08:00 Expected clear 24 Aug 2026, 15:00

M4 eastbound hard shoulder closure (78/4 to 77/9)

Category: Road Maintenance
View update

M4 eastbound Jct 17 to Jct 16 - lane closure

Planned Roadworks National Highways
Wiltshire M4 · M4 Eastbound Between J17 And J16

Starts in 4 hours 20 minutes

Starts 24 Aug 2026, 07:00 Expected clear 24 Aug 2026, 15:00

M4 eastbound Jct 17 to Jct 16 - lane closure

Category: Road Maintenance
View update