M4 Eastbound Jct 4B exit slip road closure
PlannedM4 Eastbound Jct 4B exit slip road closure
- Start time
- Fri, Mar 6, 2026 11:00 PM
- Expected end
- Sat, Mar 7, 2026 6:00 AM
- Duration
- 7 hours
- Road
- M4 – Link Road From M4 J4B Eastbound To M25 J15
- Category
- Road Maintenance
- Direction
- Eastbound
- Reason
- Roadworks
Active
Planned
Cleared
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- First published
- Fri, Mar 6, 2026 4:36 AM
- Last updated
- Fri, Mar 6, 2026 10:40 PM
- Cleared
- Sat, Mar 7, 2026 6:00 AM
- Latest update: M4 Eastbound Jct 4B exit slip road closure
- Coordinates
- 51.495907, -0.499853
- Latitude span
- 51.494215 – 51.497983
- Longitude span
- -0.505777 – -0.496373
- Bounding box centre
- 51.496099, -0.501075
- Location descriptions
-
- link road from M4 J4B eastbound to M25 J15
- link road from M4 J4B eastbound to M25 J15 clockwise
- link road from M4 J4B to M25 J15 clockwise
- Feed validity status
- Planned
- Overall feed start
- Fri, Mar 6, 2026 11:00 PM
- Overall feed end
- Sat, Mar 7, 2026 6:00 AM
- Feed window length
- 7 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
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
Segment 2
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
- 317 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 51.497978 -0.496377
Segment 3
2 coordinate pairs- Description
- link road from M4 J4B 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
- {EAB90281-C8F1-4B6D-B9A2-418B8AEC6B50}
- Linear Element Type
- A Carriageway Entry Slip
- From Distance
- 0 m
- To Distance
- 0 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.497978 -0.496377 51.497983 -0.496373
Segment 4
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
- Geometry type
- MultiLineString
- Geometry points
- 23
- First coordinate pair
- -0.500639, 51.495180
- Road section segments
- 1
- Road section points
- 23
View geometry JSON
{
"type": "MultiLineString",
"coordinates": [
[
[
-0.500639,
51.49518
],
[
-0.500313,
51.495322
],
[
-0.499309,
51.495797
],
[
-0.499309,
51.495797
],
[
-0.498993,
51.496003
],
[
-0.498391,
51.496344
],
[
-0.497906,
51.496663
],
[
-0.497428,
51.497018
],
[
-0.496996,
51.497397
],
[
-0.496554,
51.497816
],
[
-0.496377,
51.497978
],
[
-0.496377,
51.497978
],
[
-0.496373,
51.497983
],
[
-0.505777,
51.494215
],
[
-0.50327,
51.494656
],
[
-0.503173,
51.494672
],
[
-0.502477,
51.494787
],
[
-0.501713,
51.494917
],
[
-0.50159,
51.49494
],
[
-0.50131,
51.494993
],
[
-0.501031,
51.495054
],
[
-0.500675,
51.495164
],
[
-0.500639,
51.49518
]
]
]
}
View road section coordinates
[
[
[
-0.500639,
51.49518
],
[
-0.500313,
51.495322
],
[
-0.499309,
51.495797
],
[
-0.499309,
51.495797
],
[
-0.498993,
51.496003
],
[
-0.498391,
51.496344
],
[
-0.497906,
51.496663
],
[
-0.497428,
51.497018
],
[
-0.496996,
51.497397
],
[
-0.496554,
51.497816
],
[
-0.496377,
51.497978
],
[
-0.496377,
51.497978
],
[
-0.496373,
51.497983
],
[
-0.505777,
51.494215
],
[
-0.50327,
51.494656
],
[
-0.503173,
51.494672
],
[
-0.502477,
51.494787
],
[
-0.501713,
51.494917
],
[
-0.50159,
51.49494
],
[
-0.50131,
51.494993
],
[
-0.501031,
51.495054
],
[
-0.500675,
51.495164
],
[
-0.500639,
51.49518
]
]
]
- 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
- 2
- Record created
- Fri, Mar 6, 2026 4:36 AM
- Record versioned
- Fri, Mar 6, 2026 10:40 PM
- Coordinate source
- Geometry
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