Crash View

M4 eastbound Jct 13 between the slips carriageway closure

Planned

M4 eastbound Jct 13 between the slips carriageway closure

Start time
Mon, Oct 19, 2026 8:00 PM
Expected end
Tue, Oct 20, 2026 5:00 AM
Duration
9 hours
Road
M4 – M4 Eastbound Between J14 And J13
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Sep 25, 2026 11:19 AM
Last updated
Mon, Oct 19, 2026 6:39 AM
Cleared
Tue, Oct 20, 2026 5:00 AM
  • Latest update: M4 eastbound Jct 13 between the slips carriageway closure
Coordinates
51.453107, -1.310073
Latitude span
51.452706 – 51.454443
Longitude span
-1.321741 – -1.299456
Bounding box centre
51.453575, -1.310599
Location descriptions
  • M4 eastbound between J14 and J13
  • M4 eastbound within J13
  • M4 eastbound between J13 and J12
Feed validity status
Planned
Overall feed start
Mon, Oct 19, 2026 8:00 PM
Overall feed end
Tue, Oct 20, 2026 5:00 AM
Feed window length
9 hours
Probability code (raw)
probable
Compliance option (raw)
mandatory
Source identification (raw)
roadworks
Management type value
carriagewayClosures (Carriageway Closures)
Contra-flow flag (raw)
false
Width restriction flag (raw)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

4 coordinate pairs
Description
M4 eastbound between J14 and J13
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{22C6BD85-1BBE-42AE-82E8-D856C9970343}
Linear Element Type
B Carriageway
From Distance
1,184 m
To Distance
1,342 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.45303 -1.321741
51.452971 -1.320862
51.452957 -1.320468
51.452922 -1.319471

Segment 2

7 coordinate pairs
Description
M4 eastbound within J13
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{B4CA7259-05CB-4CDF-87DC-0E91FBEA4F7A}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
494 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.452922 -1.319471
51.452794 -1.316674
51.452744 -1.31584
51.452723 -1.315351
51.452712 -1.314919
51.452706 -1.31397
51.452714 -1.312373

Segment 3

7 coordinate pairs
Description
M4 eastbound between J13 and J12
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{99CD77A5-3214-4EDB-886A-85B9BD8068CF}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
310 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.453581 -1.303709
51.453607 -1.30358
51.453729 -1.302872
51.453903 -1.301963
51.454086 -1.30101
51.454209 -1.300433
51.454443 -1.299456

Segment 4

5 coordinate pairs
Description
M4 eastbound within J13
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{822FBFD0-5D81-47E5-8594-F6CE8B4E4A6A}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
152 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.452753 -1.311263
51.452794 -1.310586
51.452843 -1.309708
51.452853 -1.309578
51.452893 -1.309074

Segment 5

3 coordinate pairs
Description
M4 eastbound within J13
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{94B1120E-88D0-4242-A6F5-9959294813EB}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
12 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.452714 -1.312373
51.452714 -1.312343
51.452719 -1.312199

Segment 6

9 coordinate pairs
Description
M4 eastbound within J13
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{6F3112D9-1A96-47DA-BDE3-1E35109D7EB4}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
381 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.452893 -1.309074
51.45296 -1.308166
51.453062 -1.3072
51.453087 -1.306984
51.453122 -1.306681
51.453302 -1.305282
51.453346 -1.305008
51.453441 -1.30446
51.453581 -1.303709

Segment 7

3 coordinate pairs
Description
M4 eastbound within J13
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{1A0B6A5F-7F42-4277-A055-3E83D5737CBB}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
65 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.452719 -1.312199
51.452745 -1.31145
51.452753 -1.311263
Geometry type
MultiLineString
Geometry points
38
First coordinate pair
-1.321741, 51.453030
Road section segments
1
Road section points
38
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.321741,
                51.45303
            ],
            [
                -1.320862,
                51.452971
            ],
            [
                -1.320468,
                51.452957
            ],
            [
                -1.319471,
                51.452922
            ],
            [
                -1.319471,
                51.452922
            ],
            [
                -1.316674,
                51.452794
            ],
            [
                -1.31584,
                51.452744
            ],
            [
                -1.315351,
                51.452723
            ],
            [
                -1.314919,
                51.452712
            ],
            [
                -1.31397,
                51.452706
            ],
            [
                -1.312373,
                51.452714
            ],
            [
                -1.303709,
                51.453581
            ],
            [
                -1.30358,
                51.453607
            ],
            [
                -1.302872,
                51.453729
            ],
            [
                -1.301963,
                51.453903
            ],
            [
                -1.30101,
                51.454086
            ],
            [
                -1.300433,
                51.454209
            ],
            [
                -1.299456,
                51.454443
            ],
            [
                -1.311263,
                51.452753
            ],
            [
                -1.310586,
                51.452794
            ],
            [
                -1.309708,
                51.452843
            ],
            [
                -1.309578,
                51.452853
            ],
            [
                -1.309074,
                51.452893
            ],
            [
                -1.312373,
                51.452714
            ],
            [
                -1.312343,
                51.452714
            ],
            [
                -1.312199,
                51.452719
            ],
            [
                -1.309074,
                51.452893
            ],
            [
                -1.308166,
                51.45296
            ],
            [
                -1.3072,
                51.453062
            ],
            [
                -1.306984,
                51.453087
            ],
            [
                -1.306681,
                51.453122
            ],
            [
                -1.305282,
                51.453302
            ],
            [
                -1.305008,
                51.453346
            ],
            [
                -1.30446,
                51.453441
            ],
            [
                -1.303709,
                51.453581
            ],
            [
                -1.312199,
                51.452719
            ],
            [
                -1.31145,
                51.452745
            ],
            [
                -1.311263,
                51.452753
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -1.321741,
            51.45303
        ],
        [
            -1.320862,
            51.452971
        ],
        [
            -1.320468,
            51.452957
        ],
        [
            -1.319471,
            51.452922
        ],
        [
            -1.319471,
            51.452922
        ],
        [
            -1.316674,
            51.452794
        ],
        [
            -1.31584,
            51.452744
        ],
        [
            -1.315351,
            51.452723
        ],
        [
            -1.314919,
            51.452712
        ],
        [
            -1.31397,
            51.452706
        ],
        [
            -1.312373,
            51.452714
        ],
        [
            -1.303709,
            51.453581
        ],
        [
            -1.30358,
            51.453607
        ],
        [
            -1.302872,
            51.453729
        ],
        [
            -1.301963,
            51.453903
        ],
        [
            -1.30101,
            51.454086
        ],
        [
            -1.300433,
            51.454209
        ],
        [
            -1.299456,
            51.454443
        ],
        [
            -1.311263,
            51.452753
        ],
        [
            -1.310586,
            51.452794
        ],
        [
            -1.309708,
            51.452843
        ],
        [
            -1.309578,
            51.452853
        ],
        [
            -1.309074,
            51.452893
        ],
        [
            -1.312373,
            51.452714
        ],
        [
            -1.312343,
            51.452714
        ],
        [
            -1.312199,
            51.452719
        ],
        [
            -1.309074,
            51.452893
        ],
        [
            -1.308166,
            51.45296
        ],
        [
            -1.3072,
            51.453062
        ],
        [
            -1.306984,
            51.453087
        ],
        [
            -1.306681,
            51.453122
        ],
        [
            -1.305282,
            51.453302
        ],
        [
            -1.305008,
            51.453346
        ],
        [
            -1.30446,
            51.453441
        ],
        [
            -1.303709,
            51.453581
        ],
        [
            -1.312199,
            51.452719
        ],
        [
            -1.31145,
            51.452745
        ],
        [
            -1.311263,
            51.452753
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Fri, Sep 25, 2026 11:19 AM
Record versioned
Mon, Oct 19, 2026 6:39 AM
Coordinate source
Geometry

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

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