Crash View

M4 Eastbound Jct 5 to Jct 4b Lane 4,3,2 closure

Planned

M4 Eastbound Jct 5 to Jct 4b Lane 4,3,2 closure

Start time
Fri, Oct 30, 2026 11:00 PM
Expected end
Sat, Oct 31, 2026 5:30 AM
Duration
6 hours 30 minutes
Road
M4 – M4 Eastbound Within J5
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
3 of 1 lanes affected, 3 of 2 lanes affected
Reason
Other
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Oct 30, 2026 4:50 AM
Last updated
Fri, Oct 30, 2026 10:29 AM
Cleared
Sat, Oct 31, 2026 5:30 AM
  • Latest update: M4 Eastbound Jct 5 to Jct 4b Lane 4,3,2 closure
Coordinates
51.492844, -0.528603
Latitude span
51.490759 – 51.494288
Longitude span
-0.547003 – -0.505185
Bounding box centre
51.492524, -0.526094
Location descriptions
  • M4 eastbound within J5
  • M4 eastbound between J5 and J4B
  • M4 eastbound within J4B
Feed validity status
Planned
Overall feed start
Fri, Oct 30, 2026 11:00 PM
Overall feed end
Sat, Oct 31, 2026 5:30 AM
Feed window length
6 hours 30 minutes
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

4 coordinate pairs
Description
M4 eastbound within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 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
{F1D213A3-EF90-165A-A2EC-687CB848055B}
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 
51.490939 -0.546328
51.491027 -0.545997
51.491476 -0.544315
51.491477 -0.544313

Segment 2

4 coordinate pairs
Description
M4 eastbound within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
1 operational lane
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
{4AE6FFC3-8638-D5A0-2A8D-DD39D45FECFC}
Linear Element Type
B Carriageway
From Distance
244 m
To Distance
295 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.490759 -0.547003
51.490851 -0.546659
51.490851 -0.546659
51.490939 -0.546328

Segment 3

13 coordinate pairs
Description
M4 eastbound within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 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
{1224C050-767F-4687-9DFC-90D6D4B6BEB3}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
588 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.49209 -0.541556
51.492149 -0.541237
51.492233 -0.540803
51.492325 -0.540252
51.492477 -0.539401
51.492485 -0.539354
51.492659 -0.538153
51.492799 -0.537111
51.492897 -0.536301
51.492962 -0.535809
51.49297 -0.535737
51.493051 -0.534985
51.493176 -0.533279

Segment 4

2 coordinate pairs
Description
M4 eastbound between J5 and J4B
Carriageway
Dual Carriageway
Lanes Restricted
3 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
{8266070A-9116-4A3E-B544-1AAE10E774C0}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
15 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.494178 -0.505994
51.494215 -0.505777

Segment 5

6 coordinate pairs
Description
M4 eastbound between J5 and J4B
Carriageway
Dual Carriageway
Lanes Restricted
3 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
{2D7FBEAA-7E69-47DC-8335-F678E9006D5D}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
37 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.493176 -0.533279
51.493179 -0.53324
51.493182 -0.53319
51.493186 -0.533137
51.493198 -0.532962
51.493212 -0.532747

Segment 6

6 coordinate pairs
Description
M4 eastbound within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 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
{BAE7D305-A98C-4A12-822A-23D825025F6A}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
203 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.491477 -0.544313
51.491506 -0.544194
51.491656 -0.543587
51.491727 -0.543268
51.491886 -0.542542
51.49209 -0.541556

Segment 7

30 coordinate pairs
Description
M4 eastbound between J5 and J4B
Carriageway
Dual Carriageway
Lanes Restricted
3 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
{E240EF51-44E3-47A6-AAA7-217FB89D1F13}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
1,870 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.493212 -0.532747
51.493249 -0.532127
51.493264 -0.531853
51.493277 -0.531492
51.493297 -0.530915
51.493315 -0.530194
51.493328 -0.529476
51.493336 -0.529027
51.493332 -0.527947
51.493309 -0.526881
51.493293 -0.526277
51.493276 -0.524923
51.493173 -0.520389
51.493122 -0.517726
51.49312 -0.516717
51.493119 -0.51604
51.49312 -0.515421
51.493171 -0.514123
51.493174 -0.514036
51.493233 -0.513026
51.493328 -0.511957
51.493343 -0.511783
51.493456 -0.510757
51.493557 -0.510037
51.493572 -0.509932
51.493679 -0.509208
51.493713 -0.509008
51.493972 -0.507441
51.494091 -0.506602
51.494178 -0.505994

Segment 8

2 coordinate pairs
Description
M4 eastbound within J4B
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
1 operational lane
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
{1E8346D9-F0A3-4B38-AB37-2A66464831C2}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
41 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.494215 -0.505777
51.494288 -0.505185
Geometry type
MultiLineString
Geometry points
67
First coordinate pair
-0.546328, 51.490939
Road section segments
1
Road section points
67
View geometry JSON 
{
    "type": "MultiLineString",
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            ],
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                -0.544313,
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            ],
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            ],
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            ],
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            ],
            [
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            ],
            [
                -0.538153,
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            ],
            [
                -0.537111,
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            ],
            [
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            ],
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            ],
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            ],
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            ],
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                -0.53324,
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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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            ],
            [
                -0.505777,
                51.494215
            ],
            [
                -0.505185,
                51.494288
            ]
        ]
    ]
}
View road section coordinates 
[
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            -0.546328,
            51.490939
        ],
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            51.491027
        ],
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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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            -0.510037,
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        ],
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            -0.509932,
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        ],
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            -0.509208,
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        ],
        [
            -0.509008,
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        ],
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            -0.507441,
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        ],
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            -0.506602,
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        ],
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        ],
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        ],
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        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Other
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Fri, Oct 30, 2026 4:50 AM
Record versioned
Fri, Oct 30, 2026 10:29 AM
Coordinate source
Geometry

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