Crash View

M4 eastbound lane 1 and 2 closure (100/8 to 98/2)

Cleared

M4 eastbound lane 1 and 2 closure (100/8 to 98/2)

Start time
Fri, Sep 18, 2026 7:00 PM
Expected end
Sat, Sep 19, 2026 5:00 AM
Duration
9 hours 55 minutes 1 second
Road
M4 – M4 Eastbound Between J14 And J13
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected
Reason
Repair Work
Live incident
Active roadworks
Planned
Cleared
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First published
Wed, Jul 22, 2026 2:06 PM
Last updated
Sat, Sep 19, 2026 4:35 AM
Cleared
Sat, Sep 19, 2026 4:55 AM
  • Latest update: M4 eastbound lane 1 and 2 closure (100/8 to 98/2)
Coordinates
51.448987, -1.418474
Latitude span
51.446993 – 51.450937
Longitude span
-1.437909 – -1.400967
Bounding box centre
51.448965, -1.419438
Location descriptions
  • M4 eastbound between J14 and J13
Feed validity status
Planned
Overall feed start
Fri, Sep 18, 2026 7:00 PM
Overall feed end
Sat, Sep 19, 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

10 coordinate pairs
Description
M4 eastbound between J14 and J13
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
{7F348D43-44C5-4DC3-92F2-997C2990794C}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
678 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.449523 -1.415193
51.449554 -1.415002
51.449776 -1.413521
51.450081 -1.411352
51.450256 -1.409833
51.450434 -1.408191
51.450448 -1.408049
51.450517 -1.407307
51.450643 -1.405875
51.45066 -1.4056

Segment 2

9 coordinate pairs
Description
M4 eastbound between J14 and J13
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
{69751464-982A-44F2-A9A3-BB89DC4557B9}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
689 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.447942 -1.424788
51.447974 -1.424468
51.448291 -1.422261
51.448457 -1.421237
51.448789 -1.419285
51.449001 -1.418165
51.449238 -1.416807
51.449523 -1.415193
51.449523 -1.415193

Segment 3

14 coordinate pairs
Description
M4 eastbound between J14 and J13
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 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
{551DC8B0-4BB3-4DC1-B80C-71B4B6489C13}
Linear Element Type
B Carriageway
From Distance
649 m
To Distance
1,568 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.446993 -1.437909
51.447005 -1.43729
51.447019 -1.436571
51.447067 -1.43516
51.447099 -1.43444
51.447182 -1.432986
51.447324 -1.430811
51.447384 -1.430091
51.447443 -1.429371
51.447512 -1.42865
51.447658 -1.427224
51.447821 -1.425783
51.447882 -1.425293
51.447942 -1.424788

Segment 4

2 coordinate pairs
Description
M4 eastbound between J14 and J13
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
{E9ED0C1B-9FC0-4A78-BA99-F660A0F60396}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
62 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.45066 -1.4056
51.450725 -1.4047

Segment 5

5 coordinate pairs
Description
M4 eastbound between J14 and J13
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
{C85B5ED4-896A-4D14-AF2D-1744BFE7C11C}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
260 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.450725 -1.4047
51.450745 -1.404431
51.450851 -1.40291
51.450891 -1.401974
51.450937 -1.400967
Geometry type
MultiLineString
Geometry points
40
First coordinate pair
-1.415193, 51.449523
Road section segments
1
Road section points
40
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.415193,
                51.449523
            ],
            [
                -1.415002,
                51.449554
            ],
            [
                -1.413521,
                51.449776
            ],
            [
                -1.411352,
                51.450081
            ],
            [
                -1.409833,
                51.450256
            ],
            [
                -1.408191,
                51.450434
            ],
            [
                -1.408049,
                51.450448
            ],
            [
                -1.407307,
                51.450517
            ],
            [
                -1.405875,
                51.450643
            ],
            [
                -1.4056,
                51.45066
            ],
            [
                -1.424788,
                51.447942
            ],
            [
                -1.424468,
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            ],
            [
                -1.422261,
                51.448291
            ],
            [
                -1.421237,
                51.448457
            ],
            [
                -1.419285,
                51.448789
            ],
            [
                -1.418165,
                51.449001
            ],
            [
                -1.416807,
                51.449238
            ],
            [
                -1.415193,
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            ],
            [
                -1.415193,
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            ],
            [
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            ],
            [
                -1.43729,
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            ],
            [
                -1.436571,
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            ],
            [
                -1.43516,
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            ],
            [
                -1.43444,
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            ],
            [
                -1.432986,
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            ],
            [
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            ],
            [
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            ],
            [
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                51.447443
            ],
            [
                -1.42865,
                51.447512
            ],
            [
                -1.427224,
                51.447658
            ],
            [
                -1.425783,
                51.447821
            ],
            [
                -1.425293,
                51.447882
            ],
            [
                -1.424788,
                51.447942
            ],
            [
                -1.4056,
                51.45066
            ],
            [
                -1.4047,
                51.450725
            ],
            [
                -1.4047,
                51.450725
            ],
            [
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                51.450745
            ],
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                -1.40291,
                51.450851
            ],
            [
                -1.401974,
                51.450891
            ],
            [
                -1.400967,
                51.450937
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -1.415193,
            51.449523
        ],
        [
            -1.415002,
            51.449554
        ],
        [
            -1.413521,
            51.449776
        ],
        [
            -1.411352,
            51.450081
        ],
        [
            -1.409833,
            51.450256
        ],
        [
            -1.408191,
            51.450434
        ],
        [
            -1.408049,
            51.450448
        ],
        [
            -1.407307,
            51.450517
        ],
        [
            -1.405875,
            51.450643
        ],
        [
            -1.4056,
            51.45066
        ],
        [
            -1.424788,
            51.447942
        ],
        [
            -1.424468,
            51.447974
        ],
        [
            -1.422261,
            51.448291
        ],
        [
            -1.421237,
            51.448457
        ],
        [
            -1.419285,
            51.448789
        ],
        [
            -1.418165,
            51.449001
        ],
        [
            -1.416807,
            51.449238
        ],
        [
            -1.415193,
            51.449523
        ],
        [
            -1.415193,
            51.449523
        ],
        [
            -1.437909,
            51.446993
        ],
        [
            -1.43729,
            51.447005
        ],
        [
            -1.436571,
            51.447019
        ],
        [
            -1.43516,
            51.447067
        ],
        [
            -1.43444,
            51.447099
        ],
        [
            -1.432986,
            51.447182
        ],
        [
            -1.430811,
            51.447324
        ],
        [
            -1.430091,
            51.447384
        ],
        [
            -1.429371,
            51.447443
        ],
        [
            -1.42865,
            51.447512
        ],
        [
            -1.427224,
            51.447658
        ],
        [
            -1.425783,
            51.447821
        ],
        [
            -1.425293,
            51.447882
        ],
        [
            -1.424788,
            51.447942
        ],
        [
            -1.4056,
            51.45066
        ],
        [
            -1.4047,
            51.450725
        ],
        [
            -1.4047,
            51.450725
        ],
        [
            -1.404431,
            51.450745
        ],
        [
            -1.40291,
            51.450851
        ],
        [
            -1.401974,
            51.450891
        ],
        [
            -1.400967,
            51.450937
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Repair Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
2
Record created
Wed, Jul 22, 2026 2:06 PM
Record versioned
Sat, Sep 19, 2026 4:35 AM
Coordinate source
Geometry

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