Crash View

M4 eastbound lane 1 and 2 closure (47/0 to 44/7)

Planned

M4 eastbound lane 1 and 2 closure (47/0 to 44/7)

Start time
Thu, Oct 15, 2026 7:00 PM
Expected end
Fri, Oct 16, 2026 5:00 AM
Duration
10 hours
Road
M4 – M4 Eastbound Within J8
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
2 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
Thu, Sep 17, 2026 3:47 PM
Last updated
Thu, Oct 15, 2026 3:28 AM
Cleared
Fri, Oct 16, 2026 5:00 AM
  • Latest update: M4 eastbound lane 1 and 2 closure (47/0 to 44/7)
Coordinates
51.496072, -0.731381
Latitude span
51.489559 – 51.499576
Longitude span
-0.747151 – -0.718667
Bounding box centre
51.494568, -0.732909
Location descriptions
  • M4 eastbound within J8
  • M4 eastbound between J10 and J8
Feed validity status
Planned
Overall feed start
Thu, Oct 15, 2026 7:00 PM
Overall feed end
Fri, Oct 16, 2026 5:00 AM
Feed window length
10 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 within 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
{557AA2F8-F9E8-4359-A811-40E00DDA95C9}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
286 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.499253 -0.72276
51.499325 -0.722224
51.499416 -0.721389
51.499476 -0.720752
51.499518 -0.720277
51.49953 -0.719971
51.499563 -0.719216
51.499576 -0.718667

Segment 2

7 coordinate pairs
Description
M4 eastbound within 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
{E5DDF82F-88B0-465C-BB9B-5BA161FCE5AE}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
334 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.497606 -0.729419
51.498124 -0.727872
51.498235 -0.727531
51.498386 -0.726973
51.498546 -0.7264
51.498763 -0.725497
51.498864 -0.725044

Segment 3

8 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
{394E8C98-DFB9-11A5-473C-261E7C67F490}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
350 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.495738 -0.733481
51.49584 -0.733289
51.496164 -0.732719
51.496169 -0.732708
51.496341 -0.732369
51.496512 -0.73203
51.497202 -0.730478
51.497606 -0.729419

Segment 4

5 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
{6D452CED-D559-49F3-B872-855A40BD59BB}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
248 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.494226 -0.736111
51.494796 -0.735122
51.495575 -0.733785
51.495591 -0.733758
51.495738 -0.733481

Segment 5

4 coordinate pairs
Description
M4 eastbound within 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
{909C204B-8F2C-4438-8776-9577181A6C13}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
164 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.498864 -0.725044
51.498911 -0.724799
51.499186 -0.723243
51.499253 -0.72276

Segment 6

13 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
{083D6D01-FC84-49B1-87BC-C7037B790508}
Linear Element Type
B Carriageway
From Distance
558 m
To Distance
1,487 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.489559 -0.747151
51.490069 -0.745562
51.490376 -0.74468
51.490479 -0.744388
51.490924 -0.743206
51.491339 -0.742124
51.49178 -0.741082
51.491978 -0.740598
51.493074 -0.738272
51.493446 -0.737553
51.493963 -0.73657
51.494149 -0.736246
51.494226 -0.736111
Geometry type
MultiLineString
Geometry points
45
First coordinate pair
-0.722760, 51.499253
Road section segments
1
Road section points
45
View geometry JSON 
{
    "type": "MultiLineString",
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                -0.72276,
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            ],
            [
                -0.720752,
                51.499476
            ],
            [
                -0.720277,
                51.499518
            ],
            [
                -0.719971,
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            ],
            [
                -0.719216,
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            ],
            [
                -0.718667,
                51.499576
            ],
            [
                -0.729419,
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            [
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            [
                -0.727531,
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            ],
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            ],
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                -0.733289,
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            ],
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            ],
            [
                -0.732708,
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            ],
            [
                -0.732369,
                51.496341
            ],
            [
                -0.73203,
                51.496512
            ],
            [
                -0.730478,
                51.497202
            ],
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                -0.729419,
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            ],
            [
                -0.736111,
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            ],
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            ],
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                -0.725044,
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            ],
            [
                -0.724799,
                51.498911
            ],
            [
                -0.723243,
                51.499186
            ],
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                -0.72276,
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            ],
            [
                -0.747151,
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            ],
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            ],
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                -0.74468,
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                -0.743206,
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            ],
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                51.49178
            ],
            [
                -0.740598,
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            ],
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                -0.738272,
                51.493074
            ],
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                -0.737553,
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            ],
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                -0.73657,
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            ],
            [
                -0.736246,
                51.494149
            ],
            [
                -0.736111,
                51.494226
            ]
        ]
    ]
}
View road section coordinates 
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            -0.72276,
            51.499253
        ],
        [
            -0.722224,
            51.499325
        ],
        [
            -0.721389,
            51.499416
        ],
        [
            -0.720752,
            51.499476
        ],
        [
            -0.720277,
            51.499518
        ],
        [
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        ],
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            -0.718667,
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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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            -0.725044,
            51.498864
        ],
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            -0.733481,
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        ],
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            -0.733289,
            51.49584
        ],
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            -0.732719,
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        ],
        [
            -0.732708,
            51.496169
        ],
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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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        ],
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            -0.742124,
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        ],
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            -0.741082,
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        ],
        [
            -0.740598,
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        ],
        [
            -0.738272,
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        ],
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        ],
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            -0.73657,
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        ],
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            -0.736246,
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        ],
        [
            -0.736111,
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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
Thu, Sep 17, 2026 3:47 PM
Record versioned
Thu, Oct 15, 2026 3:28 AM
Coordinate source
Geometry

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