M4 Eastbound Jct 5 to Jct 4B Carriageway closure

Planned

Start time: Thu, Dec 4, 2025 10:00 PM
Expected end: Fri, Dec 5, 2025 5:30 AM
Duration: 7 hours 30 minutes
Road: M4 – Link Road From M4 J4B Eastbound To M25 J15
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Reason: Repair Work

Active

Planned

Cleared

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First published: Wed, Dec 3, 2025 1:20 PM
Last updated: Thu, Dec 4, 2025 7:34 PM
Cleared: Fri, Dec 5, 2025 5:30 AM

Latest update: M4 Eastbound Jct 5 to Jct 4B Carriageway closure

Coordinates: 51.494473, -0.508519
Latitude span: 51.493119 – 51.497913
Longitude span: -0.529410 – -0.496447
Bounding box centre: 51.495516, -0.512929
Location descriptions: link road from M4 J4B eastbound to M25 J15

M4 eastbound between J5 and J4B

link road from M4 J4B eastbound to M25 J15 clockwise

Feed validity status: Planned
Overall feed start: Thu, Dec 4, 2025 10:00 PM
Overall feed end: Fri, Dec 5, 2025 5:30 AM
Feed window length: 7 hours 30 minutes
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

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 2

24 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: 232 m
To Distance: 1,870 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.493329 -0.52941
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 3

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

Segment 4

8 coordinate pairs

Description: link road from M4 J4B eastbound to M25 J15 clockwise
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: Clockwise
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M25
Linear Element Model: The Network Model
Linear Element Id: {B7136B54-64DB-48D4-8DB6-5A4630DF59FD}
Linear Element Type: A Carriageway Entry Slip
From Distance: 0 m
To Distance: 309 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.495797 -0.499309
51.496003 -0.498993
51.496344 -0.498391
51.496663 -0.497906
51.497018 -0.497428
51.497397 -0.496996
51.497816 -0.496554
51.497913 -0.496447

Segment 5

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: 115 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.49518 -0.500639
51.495322 -0.500313
51.495797 -0.499309

Geometry type: MultiLineString
Geometry points: 47
First coordinate pair: -0.505777, 51.494215
Road section segments: 1
Road section points: 47

View geometry JSON

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        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Repair Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures