M4 Westbound Jct 4 to M4 Southbound Jct 4A link road closure
ClearedM4 Westbound Jct 4 to M4 Southbound Jct 4A link road closure
- Start time
- Thu, Sep 17, 2026 9:00 PM
- Expected end
- Fri, Sep 18, 2026 4:30 AM
- Duration
- 2 hours 15 minutes 2 seconds
- Road
- M4 – M4 Spur (Heathrow) Southbound Between M4 And J4A
- Category
- Road Maintenance
- Direction
- Westbound
- Carriageway
- Dual Carriageway
- Reason
- Maintenance Work
Move Insights
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- First published
- Thu, Sep 17, 2026 9:31 PM
- Last updated
- Thu, Sep 17, 2026 10:47 PM
- Cleared
- Thu, Sep 17, 2026 11:15 PM
- Latest update: M4 Westbound Jct 4 to M4 Southbound Jct 4A link road closure
- Coordinates
- 51.494836, -0.452406
- Latitude span
- 51.493620 – 51.495253
- Longitude span
- -0.453427 – -0.450092
- Bounding box centre
- 51.494437, -0.451760
- Location descriptions
-
- M4 spur (Heathrow) southbound between M4 and J4A
- M4 J4 westbound exit
- Feed validity status
- Active
- Overall feed start
- Thu, Sep 17, 2026 9:00 PM
- Overall feed end
- Fri, Sep 18, 2026 4:30 AM
- Feed window length
- 7 hours 30 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 spur (Heathrow) southbound between M4 and J4A
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- West Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- M4
- Linear Element Model
- The Network Model
- Linear Element Id
- {C8EEE3F4-E88A-41BB-8149-9911106FF879}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 91 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.494437 -0.453318 51.494221 -0.453365 51.49362 -0.453427
Segment 2
8 coordinate pairs- Description
- M4 spur (Heathrow) southbound between M4 and J4A
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- West Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- M4
- Linear Element Model
- The Network Model
- Linear Element Id
- {225BE00A-BF15-4520-9933-4807CFA219CB}
- Linear Element Type
- A Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 151 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.495253 -0.451794 51.495232 -0.452145 51.495205 -0.452342 51.495164 -0.452487 51.495007 -0.452761 51.494818 -0.453073 51.494672 -0.453222 51.494437 -0.453318
Segment 3
3 coordinate pairs- Description
- M4 J4 westbound exit
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- West Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- M4
- Linear Element Model
- The Network Model
- Linear Element Id
- {5B534D79-4DB8-4FCB-9DB1-2E8551A00F71}
- Linear Element Type
- A Carriageway Exit Slip
- From Distance
- 309 m
- To Distance
- 427 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.495184 -0.450092 51.495203 -0.45054 51.495253 -0.451794
- Geometry type
- MultiLineString
- Geometry points
- 14
- First coordinate pair
- -0.453318, 51.494437
- Road section segments
- 1
- Road section points
- 14
View geometry JSON
{
"type": "MultiLineString",
"coordinates": [
[
[
-0.453318,
51.494437
],
[
-0.453365,
51.494221
],
[
-0.453427,
51.49362
],
[
-0.451794,
51.495253
],
[
-0.452145,
51.495232
],
[
-0.452342,
51.495205
],
[
-0.452487,
51.495164
],
[
-0.452761,
51.495007
],
[
-0.453073,
51.494818
],
[
-0.453222,
51.494672
],
[
-0.453318,
51.494437
],
[
-0.450092,
51.495184
],
[
-0.45054,
51.495203
],
[
-0.451794,
51.495253
]
]
]
}
View road section coordinates
[
[
[
-0.453318,
51.494437
],
[
-0.453365,
51.494221
],
[
-0.453427,
51.49362
],
[
-0.451794,
51.495253
],
[
-0.452145,
51.495232
],
[
-0.452342,
51.495205
],
[
-0.452487,
51.495164
],
[
-0.452761,
51.495007
],
[
-0.453073,
51.494818
],
[
-0.453222,
51.494672
],
[
-0.453318,
51.494437
],
[
-0.450092,
51.495184
],
[
-0.45054,
51.495203
],
[
-0.451794,
51.495253
]
]
]
- Cause type
- Road Maintenance
- Detailed cause
- Maintenance Work
- Compliance
- Mandatory
- Probability
- Certain
- Validity status
- Active
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Thu, Sep 17, 2026 9:31 PM
- Record versioned
- Thu, Sep 17, 2026 10:47 PM
- Coordinate source
- Geometry
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