Crash View

M4 eastbound Jct 19 to Jct 18 lane closure 172/4-169/8

Cleared

M4 eastbound Jct 19 to Jct 18 lane closure 172/4-169/8

Start time
Sat, Oct 3, 2026 7:17 PM
Expected end
Sun, Oct 4, 2026 5:00 AM
Duration
9 hours 23 minutes 2 seconds
Road
M4 – M4 Eastbound Between J19 And J18
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
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First published
Sat, Oct 3, 2026 7:41 PM
Last updated
Sun, Oct 4, 2026 4:23 AM
Cleared
Sun, Oct 4, 2026 4:40 AM
  • Latest update: M4 eastbound Jct 19 to Jct 18 lane closure 172/4-169/8
Coordinates
51.499626, -2.372094
Latitude span
51.498007 – 51.501827
Longitude span
-2.392039 – -2.355563
Bounding box centre
51.499917, -2.373801
Location descriptions
  • M4 eastbound between J19 and J18
  • M4 eastbound within J18
Feed validity status
Active
Overall feed start
Sat, Oct 3, 2026 7:17 PM
Overall feed end
Sun, Oct 4, 2026 5:00 AM
Feed window length
9 hours 43 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

33 coordinate pairs
Description
M4 eastbound between J19 and J18
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
{AE403C52-5D62-47F7-9FDF-592C93083448}
Linear Element Type
B Carriageway
From Distance
2,701 m
To Distance
4,868 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.498007 -2.392039
51.498007 -2.391925
51.498007 -2.391377
51.498019 -2.39034
51.498014 -2.389332
51.498008 -2.388179
51.498021 -2.387185
51.498026 -2.386739
51.498046 -2.384981
51.498086 -2.383743
51.498231 -2.38056
51.498297 -2.379567
51.498447 -2.37771
51.498459 -2.377599
51.498531 -2.376904
51.498596 -2.376112
51.498616 -2.375939
51.498726 -2.374975
51.498864 -2.373852
51.499141 -2.371737
51.499379 -2.370241
51.499709 -2.368298
51.499901 -2.367248
51.500221 -2.365668
51.500367 -2.364947
51.500422 -2.364645
51.500495 -2.364372
51.500622 -2.363768
51.500896 -2.36256
51.500987 -2.362143
51.501005 -2.362044
51.501097 -2.361553
51.501124 -2.361438

Segment 2

8 coordinate pairs
Description
M4 eastbound within J18
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
{9E391445-CF68-43AC-BC41-5E75DA82EEA8}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
415 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.501124 -2.361438
51.501335 -2.360042
51.501367 -2.359813
51.501529 -2.358588
51.501593 -2.357984
51.501732 -2.356717
51.501797 -2.355983
51.501827 -2.355563
Geometry type
MultiLineString
Geometry points
41
First coordinate pair
-2.392039, 51.498007
Road section segments
1
Road section points
41
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.392039,
                51.498007
            ],
            [
                -2.391925,
                51.498007
            ],
            [
                -2.391377,
                51.498007
            ],
            [
                -2.39034,
                51.498019
            ],
            [
                -2.389332,
                51.498014
            ],
            [
                -2.388179,
                51.498008
            ],
            [
                -2.387185,
                51.498021
            ],
            [
                -2.386739,
                51.498026
            ],
            [
                -2.384981,
                51.498046
            ],
            [
                -2.383743,
                51.498086
            ],
            [
                -2.38056,
                51.498231
            ],
            [
                -2.379567,
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            ],
            [
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            ],
            [
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            ],
            [
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                51.498531
            ],
            [
                -2.376112,
                51.498596
            ],
            [
                -2.375939,
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            ],
            [
                -2.374975,
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            ],
            [
                -2.373852,
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            ],
            [
                -2.371737,
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            ],
            [
                -2.370241,
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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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                -2.362143,
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            ],
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                -2.362044,
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            ],
            [
                -2.361553,
                51.501097
            ],
            [
                -2.361438,
                51.501124
            ],
            [
                -2.361438,
                51.501124
            ],
            [
                -2.360042,
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            ],
            [
                -2.359813,
                51.501367
            ],
            [
                -2.358588,
                51.501529
            ],
            [
                -2.357984,
                51.501593
            ],
            [
                -2.356717,
                51.501732
            ],
            [
                -2.355983,
                51.501797
            ],
            [
                -2.355563,
                51.501827
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -2.392039,
            51.498007
        ],
        [
            -2.391925,
            51.498007
        ],
        [
            -2.391377,
            51.498007
        ],
        [
            -2.39034,
            51.498019
        ],
        [
            -2.389332,
            51.498014
        ],
        [
            -2.388179,
            51.498008
        ],
        [
            -2.387185,
            51.498021
        ],
        [
            -2.386739,
            51.498026
        ],
        [
            -2.384981,
            51.498046
        ],
        [
            -2.383743,
            51.498086
        ],
        [
            -2.38056,
            51.498231
        ],
        [
            -2.379567,
            51.498297
        ],
        [
            -2.37771,
            51.498447
        ],
        [
            -2.377599,
            51.498459
        ],
        [
            -2.376904,
            51.498531
        ],
        [
            -2.376112,
            51.498596
        ],
        [
            -2.375939,
            51.498616
        ],
        [
            -2.374975,
            51.498726
        ],
        [
            -2.373852,
            51.498864
        ],
        [
            -2.371737,
            51.499141
        ],
        [
            -2.370241,
            51.499379
        ],
        [
            -2.368298,
            51.499709
        ],
        [
            -2.367248,
            51.499901
        ],
        [
            -2.365668,
            51.500221
        ],
        [
            -2.364947,
            51.500367
        ],
        [
            -2.364645,
            51.500422
        ],
        [
            -2.364372,
            51.500495
        ],
        [
            -2.363768,
            51.500622
        ],
        [
            -2.36256,
            51.500896
        ],
        [
            -2.362143,
            51.500987
        ],
        [
            -2.362044,
            51.501005
        ],
        [
            -2.361553,
            51.501097
        ],
        [
            -2.361438,
            51.501124
        ],
        [
            -2.361438,
            51.501124
        ],
        [
            -2.360042,
            51.501335
        ],
        [
            -2.359813,
            51.501367
        ],
        [
            -2.358588,
            51.501529
        ],
        [
            -2.357984,
            51.501593
        ],
        [
            -2.356717,
            51.501732
        ],
        [
            -2.355983,
            51.501797
        ],
        [
            -2.355563,
            51.501827
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Sat, Oct 3, 2026 7:41 PM
Record versioned
Sun, Oct 4, 2026 4:23 AM
Coordinate source
Geometry

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