Crash View

M4 eastbound Jct 22 to Jct 21 lane closure 195/1-192/1

Cleared

M4 eastbound Jct 22 to Jct 21 lane closure 195/1-192/1

Start time
Wed, Sep 16, 2026 7:45 PM
Expected end
Thu, Sep 17, 2026 5:00 AM
Duration
3 hours 55 minutes 1 second
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
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Wed, Sep 16, 2026 7:46 PM
Last updated
Wed, Sep 16, 2026 11:04 PM
Cleared
Wed, Sep 16, 2026 11:40 PM
  • Latest update: M4 eastbound Jct 22 to Jct 21 lane closure 195/1-192/1
Coordinates
51.571133, -2.631553
Latitude span
51.569140 – 51.575276
Longitude span
-2.648571 – -2.612759
Bounding box centre
51.572208, -2.630665
Location descriptions
  • M4 eastbound between J22 and J21
Feed validity status
Active
Overall feed start
Wed, Sep 16, 2026 7:45 PM
Overall feed end
Thu, Sep 17, 2026 5:00 AM
Feed window length
9 hours 15 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

12 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
{E87E1008-3563-4B7C-8D29-477DAC4F684D}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
478 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.569556 -2.636832
51.56964 -2.636242
51.569687 -2.635939
51.569817 -2.635133
51.569975 -2.634241
51.570049 -2.633838
51.57024 -2.632931
51.570298 -2.632658
51.570501 -2.631766
51.570703 -2.630975
51.570886 -2.6303
51.570891 -2.630286

Segment 2

7 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
{C6AEBB4A-F674-4746-AC81-02217A9FC7BE}
Linear Element Type
B Carriageway
From Distance
102 m
To Distance
551 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.56923 -2.648571
51.569223 -2.648327
51.569152 -2.644993
51.56914 -2.643896
51.569144 -2.643103
51.569159 -2.642151
51.569159 -2.642093

Segment 3

9 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
{E7FE23C1-7429-4F2C-AEB2-D9BDAD2F715A}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
356 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.56916 -2.641934
51.569191 -2.641156
51.569202 -2.640766
51.569261 -2.639887
51.569319 -2.639051
51.569358 -2.638647
51.569452 -2.637725
51.569528 -2.637048
51.569556 -2.636832

Segment 4

21 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
0 m
To Distance
1,313 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.570891 -2.630286
51.571115 -2.629509
51.571179 -2.629308
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
51.575276 -2.612759

Segment 5

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
{032D8E10-EE4B-4151-8D49-615CDD8CFCCA}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
11 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.569159 -2.642093
51.56916 -2.641934
Geometry type
MultiLineString
Geometry points
51
First coordinate pair
-2.636832, 51.569556
Road section segments
1
Road section points
51
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
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            [
                -2.636832,
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            ],
            [
                -2.635133,
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            ],
            [
                -2.634241,
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            ],
            [
                -2.633838,
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            [
                -2.632931,
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            ],
            [
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            ],
            [
                -2.631766,
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            [
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            ],
            [
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            ],
            [
                -2.643103,
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            ],
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            ],
            [
                -2.629308,
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            [
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            [
                -2.626507,
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            [
                -2.625458,
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            [
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            ],
            [
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                51.572743
            ],
            [
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                51.572963
            ],
            [
                -2.622483,
                51.573284
            ],
            [
                -2.621865,
                51.573449
            ],
            [
                -2.621088,
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            ],
            [
                -2.620801,
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            ],
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                -2.620125,
                51.573881
            ],
            [
                -2.618772,
                51.574194
            ],
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                -2.617506,
                51.574452
            ],
            [
                -2.616657,
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            ],
            [
                -2.615822,
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            ],
            [
                -2.614598,
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            ],
            [
                -2.612813,
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            ],
            [
                -2.612759,
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            [
                -2.642093,
                51.569159
            ],
            [
                -2.641934,
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            ]
        ]
    ]
}
View road section coordinates 
[
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            -2.636832,
            51.569556
        ],
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            -2.636242,
            51.56964
        ],
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        ],
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        ],
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            -2.631766,
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        ],
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        ],
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        ],
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            51.570891
        ],
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            51.56923
        ],
        [
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            51.569223
        ],
        [
            -2.644993,
            51.569152
        ],
        [
            -2.643896,
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        ],
        [
            -2.643103,
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            -2.642151,
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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            -2.622483,
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        ],
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        ],
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            -2.621088,
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        ],
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            -2.620801,
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
2
Record created
Wed, Sep 16, 2026 7:46 PM
Record versioned
Wed, Sep 16, 2026 11:04 PM
Coordinate source
Geometry

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

M4 live closures

Related incidents

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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

View update

M4 Eastbound Jct 2 exit slip road closure

Planned Roadworks National Highways
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Starts in 3 hours 30 minutes

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Category: Construction Work
View update

M4 Eastbound Jct 3 to Jct 2 lane 1 closure

Planned Roadworks National Highways
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Starts in 3 hours 30 minutes

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Category: Construction Work
View update

A40 eastbound lane 2 closure

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Starts in 2 hours 30 minutes

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Category: Road Maintenance
View update