Crash View

M4 eastbound Jct 22 to Jct 21 lane closure 193/3-189/1

Cleared

M4 eastbound Jct 22 to Jct 21 lane closure 193/3-189/1

Start time
Mon, Sep 14, 2026 8:00 PM
Expected end
Tue, Sep 15, 2026 5:00 AM
Duration
3 hours 25 minutes 2 seconds
Road
M4 – M4 Eastbound Between J22 And J21
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 closed, 1 of 2 lanes affected, 1 of 3 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Mon, Aug 24, 2026 2:55 PM
Last updated
Mon, Sep 14, 2026 11:01 PM
Cleared
Mon, Sep 14, 2026 11:25 PM
  • Latest update: M4 eastbound Jct 22 to Jct 21 lane closure 193/3-189/1
Coordinates
51.573756, -2.598087
Latitude span
51.567731 – 51.576194
Longitude span
-2.628837 – -2.573525
Bounding box centre
51.571963, -2.601181
Location descriptions
  • M4 eastbound between J22 and J21
  • M4 eastbound between J21 and J20
Feed validity status
Planned
Overall feed start
Mon, Sep 14, 2026 8:00 PM
Overall feed end
Tue, Sep 15, 2026 5:00 AM
Feed window length
9 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

24 coordinate pairs
Description
M4 eastbound between J22 and J21
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{EA4346F2-1E4C-47EA-8434-E1824CC2811C}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
1,314 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.575681 -2.609514
51.575795 -2.608404
51.575881 -2.607467
51.575962 -2.606458
51.575977 -2.606271
51.576065 -2.604901
51.576116 -2.603862
51.576125 -2.603675
51.576146 -2.603127
51.576167 -2.602579
51.57619 -2.601526
51.576194 -2.600746
51.576181 -2.599721
51.576151 -2.598682
51.576067 -2.597339
51.576 -2.596458
51.575897 -2.595461
51.575828 -2.594868
51.575716 -2.594015
51.575568 -2.593032
51.575393 -2.592034
51.575305 -2.591585
51.575182 -2.591021
51.57513 -2.590789

Segment 2

6 coordinate pairs
Description
M4 eastbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 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
{9A94B25C-A762-430E-A886-FAFDA3DAA081}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
399 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.571092 -2.579944
51.570905 -2.579581
51.570335 -2.578534
51.569938 -2.577768
51.569159 -2.576326
51.568769 -2.575547

Segment 3

2 coordinate pairs
Description
M4 eastbound between J22 and J21
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{A339DD45-31D2-4C2B-8809-37586E1E7D1D}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
9 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.571146 -2.580045
51.571092 -2.579944

Segment 4

6 coordinate pairs
Description
M4 eastbound between J22 and J21
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{56A37AD8-25DA-4070-B59A-F3B6168A77A2}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
271 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.57513 -2.590789
51.57491 -2.58982
51.574751 -2.589183
51.574415 -2.587952
51.574336 -2.58772
51.574178 -2.587183

Segment 5

4 coordinate pairs
Description
M4 eastbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 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
{95389D73-FE00-466C-8212-0202FD4420EA}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
181 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.568769 -2.575547
51.568705 -2.575426
51.56793 -2.573901
51.567731 -2.573525

Segment 6

3 coordinate pairs
Description
M4 eastbound between J22 and J21
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{37C8843B-DDD1-41E1-B8D2-61861A58E4DC}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
91 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.573921 -2.586368
51.573876 -2.586228
51.573503 -2.585227

Segment 7

4 coordinate pairs
Description
M4 eastbound between J22 and J21
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{F3111949-42F8-4E9B-B3DD-BE7B454C78E1}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
63 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.574178 -2.587183
51.574097 -2.586909
51.574034 -2.586714
51.573921 -2.586368

Segment 8

8 coordinate pairs
Description
M4 eastbound between J22 and J21
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{D732C72D-3C57-4C7B-919C-175C11131D1F}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
445 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.573503 -2.585227
51.573476 -2.585156
51.57329 -2.584662
51.572979 -2.583864
51.572668 -2.583167
51.572268 -2.582296
51.571644 -2.581047
51.571146 -2.580045

Segment 9

22 coordinate pairs
Description
M4 eastbound between J22 and J21
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{A7C355F5-28C8-4ED5-A98E-806E7C9C10B1}
Linear Element Type
B Carriageway
From Distance
111 m
To Distance
1,542 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.571332 -2.628837
51.571463 -2.628432
51.572085 -2.626507
51.572418 -2.625458
51.57256 -2.625013
51.572743 -2.624409
51.572963 -2.623647
51.573284 -2.622483
51.573449 -2.621865
51.573642 -2.621088
51.573716 -2.620801
51.573881 -2.620125
51.574194 -2.618772
51.574452 -2.617506
51.574619 -2.616657
51.574776 -2.615822
51.574989 -2.614598
51.575268 -2.612813
51.575446 -2.611487
51.57554 -2.610753
51.575681 -2.609557
51.575681 -2.609514
Geometry type
MultiLineString
Geometry points
79
First coordinate pair
-2.609514, 51.575681
Road section segments
1
Road section points
79
View geometry JSON 
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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
Mon, Aug 24, 2026 2:55 PM
Record versioned
Mon, Sep 14, 2026 11:01 PM
Coordinate source
Geometry

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

M4 live closures

Related incidents

M48 eastbound Jct 2 to Jct 1 hard shoulder closure 199/9-194/6

Planned Roadworks National Highways
South Gloucestershire M48 · M48 Eastbound Between J2 And J1

Expected to clear in 4 days 23 hours

Started 28 Sep 2026, 05:00 Expected clear 17 Oct 2026, 17:00

M48 eastbound Jct 2 to Jct 1 hard shoulder closure 199/9-194/6

Category: Road Maintenance
View update

Contra flow westbound with eastbound closed from Horseshoe Drive

Active Roadworks National Highways
South Gloucestershire A40 · A40 Eastbound Between A48 And A417 Near Gloucester (West)

Expected to clear in 2 months 3 weeks

Started 28 Jul 2026, 02:40 Expected clear 4 Jan 2027, 21:00

contra flow westbound with eastbound closed from Horseshoe Drive

Category: Road Maintenance
View update

A466 : Both directions : M48 J2 Newhouse to A48 Interchange : Resurfacing work : Road closed : Diversions in place : 12/10/26-15/10/26 2000-0600 :

Active Roadworks Traffic Wales
South Gloucestershire
Started Start time TBC

Description: A466 : Both directions : M48 J2 Newhouse to A48 Interchange : Resurfacing work : Road closed : Diversions in place : 12/10/26-15/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 15/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 11:57

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M4 Eastbound Jct 2 exit slip road closure

Planned Roadworks National Highways
Hounslow M4 · M4 J2 Eastbound Exit

Starts in 3 hours 30 minutes

Starts 12 Oct 2026, 21:00 Expected clear 13 Oct 2026, 04:30

M4 Eastbound Jct 2 exit slip road closure

Category: Construction Work
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M4 Eastbound Jct 3 to Jct 2 lane 1 closure

Planned Roadworks National Highways
Hounslow M4 · M4 Eastbound Between J3 And J2

Starts in 3 hours 30 minutes

Starts 12 Oct 2026, 21:00 Expected clear 13 Oct 2026, 04:30

M4 Eastbound Jct 3 to Jct 2 lane 1 closure

Category: Construction Work
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A40 eastbound lane 2 closure

Planned Roadworks National Highways
South Gloucestershire A40 · A40 Eastbound Between A417 Near Gloucester (North) And M5

Starts in 2 hours 30 minutes

Starts 12 Oct 2026, 20:00 Expected clear 13 Oct 2026, 05:00

A40 eastbound lane 2 closure

Category: Road Maintenance
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