M4 Eastbound Jct 5 to Jct 4B carriageway closure

Active

M4 Eastbound Jct 5 to Jct 4B carriageway closure

Start time
Fri, Oct 23, 2026 10:40 PM
Expected end
Sat, Oct 24, 2026 4:30 AM
Duration
5 hours 50 minutes
Road
M4 – M4 Eastbound Between J5 And J4B
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Reason
Other
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Oct 23, 2026 10:45 PM
Last updated
Sat, Oct 24, 2026 12:29 AM
Cleared
Sat, Oct 24, 2026 4:30 AM
  • Latest update: M4 Eastbound Jct 5 to Jct 4B carriageway closure
Coordinates
51.493711, -0.518370
Latitude span
51.492385 – 51.495699
Longitude span
-0.542003 – -0.499517
Bounding box centre
51.494042, -0.520760
Location descriptions
  • M4 eastbound between J5 and J4B
  • M4 J5 eastbound access
  • link road from M4 J4B eastbound to M25 J15
Feed validity status
Active
Overall feed start
Fri, Oct 23, 2026 10:40 PM
Overall feed end
Sat, Oct 24, 2026 4:30 AM
Feed window length
5 hours 50 minutes
Probability code (raw)
certain
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

3 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
2 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.493176 -0.533279
51.493179 -0.53324
51.493179 -0.533237

Segment 2

16 coordinate pairs
Description
M4 J5 eastbound access
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
{00D2BB02-5F43-4EB3-9D03-C3E7144BB4AC}
Linear Element Type
B Carriageway Entry Slip
From Distance
15 m
To Distance
629 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.492385 -0.542003
51.492433 -0.541704
51.492491 -0.541241
51.492499 -0.541169
51.492644 -0.539868
51.49271 -0.539347
51.492733 -0.539044
51.492928 -0.537395
51.493032 -0.536355
51.493066 -0.535735
51.493072 -0.535659
51.493106 -0.535179
51.493148 -0.534454
51.49321 -0.533415
51.493176 -0.53328
51.493176 -0.533279

Segment 3

14 coordinate pairs
Description
M4 eastbound between J5 and J4B
Carriageway
Dual Carriageway
Lanes Restricted
5 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
{E240EF51-44E3-47A6-AAA7-217FB89D1F13}
Linear Element Type
B Carriageway
From Distance
1,227 m
To Distance
1,870 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.493133 -0.515085
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 4

3 coordinate pairs
Description
link road from M4 J4B eastbound to M25 J15
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
{21298787-4F37-429A-9C6E-F407918FDCAF}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
96 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.49518 -0.500639
51.495322 -0.500313
51.495699 -0.499517

Segment 5

10 coordinate pairs
Description
link road from M4 J4B eastbound to M25 J15
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
{F8ED4782-79F0-478D-801B-C850EBB05D33}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
373 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.494215 -0.505777
51.494656 -0.50327
51.494672 -0.503173
51.494787 -0.502477
51.494917 -0.501713
51.49494 -0.50159
51.494993 -0.50131
51.495054 -0.501031
51.495164 -0.500675
51.49518 -0.500639

Segment 6

2 coordinate pairs
Description
M4 eastbound between J5 and J4B
Carriageway
Dual Carriageway
Lanes Restricted
5 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
{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
Geometry type
MultiLineString
Geometry points
48
First coordinate pair
-0.533279, 51.493176
Road section segments
1
Road section points
48
View geometry JSON
{
    "type": "MultiLineString",
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            ],
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            ],
            [
                -0.541704,
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            ],
            [
                -0.541241,
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            ],
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            ],
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            ],
            [
                -0.507441,
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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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                -0.505994,
                51.494178
            ],
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            ]
        ]
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}
View road section coordinates
[
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            -0.533279,
            51.493176
        ],
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            -0.53324,
            51.493179
        ],
        [
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        ],
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        ],
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        ],
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            -0.535735,
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        ],
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            -0.535659,
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        ],
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            -0.535179,
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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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            -0.505994,
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        ],
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            -0.505777,
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]
Cause type
Road Maintenance
Detailed cause
Other
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
2
Record created
Fri, Oct 23, 2026 10:45 PM
Record versioned
Sat, Oct 24, 2026 12:29 AM
Coordinate source
Geometry

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

M4 live closures

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View update