M4 Eastbound Jct 4B to Jct 4 Lane 1 Closure
PlannedM4 Eastbound Jct 4B to Jct 4 Lane 1 Closure
- Start time
- Fri, Mar 13, 2026 11:00 PM
- Expected end
- Sat, Mar 14, 2026 6:00 AM
- Duration
- 7 hours
- Road
- M4 – M4 J4 Eastbound Exit
- Category
- Road Maintenance
- Direction
- Eastbound
- Carriageway
- Dual Carriageway
- Lanes affected
- 1 of 3 lanes affected, 1 of 4 lanes affected, 1 of 2 lanes affected
- Reason
- Roadworks
Active
Planned
Cleared
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- First published
- Fri, Mar 13, 2026 3:22 PM
- Last updated
- Sat, Mar 14, 2026 12:10 AM
- Cleared
- Sat, Mar 14, 2026 6:00 AM
- Latest update: M4 Eastbound Jct 4B to Jct 4 Lane 1 Closure
- Coordinates
- 51.495246, -0.475625
- Latitude span
- 51.494520 – 51.495983
- Longitude span
- -0.490662 – -0.456085
- Bounding box centre
- 51.495252, -0.473374
- Location descriptions
-
- M4 J4 eastbound exit
- M4 eastbound between J4B and J4
- M4 eastbound within J4
- link road from M25 J15 to M4 J4B eastbound
- Feed validity status
- Planned
- Overall feed start
- Fri, Mar 13, 2026 11:00 PM
- Overall feed end
- Sat, Mar 14, 2026 6:00 AM
- Feed window length
- 7 hours
- 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
2 coordinate pairs- Description
- M4 J4 eastbound exit
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 3 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
- {D2E293B8-8CBA-4F5F-85DE-69A2856AE4C8}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 94 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.495927 -0.460294 51.495983 -0.458935
Segment 2
10 coordinate pairs- Description
- M4 eastbound between J4B and J4
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 4 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
- {91ACBDF6-ECF4-4085-B4FB-797B8BAEA54C}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 604 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.495386 -0.468957 51.495465 -0.467967 51.495628 -0.465586 51.495698 -0.464619 51.49571 -0.464441 51.495829 -0.462742 51.495892 -0.461414 51.495894 -0.461379 51.495894 -0.461345 51.495927 -0.460294
Segment 3
3 coordinate pairs- Description
- M4 eastbound within J4
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 3 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
- {8AFC74F1-DA9E-4B94-A92D-C6874C5AAB05}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 68 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.495909 -0.457071 51.495892 -0.456423 51.495883 -0.456085
Segment 4
5 coordinate pairs- Description
- link road from M25 J15 to M4 J4B eastbound
- Lanes Restricted
- 1 lane 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
- {7DEB761D-8486-4828-8CF6-58B726C5A28E}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 23 m
- To Distance
- 130 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.495945 -0.490662 51.495823 -0.490496 51.49539 -0.489733 51.495317 -0.489591 51.495289 -0.489533
Segment 5
19 coordinate pairs- Description
- link road from M25 J15 to M4 J4B eastbound
- Lanes Restricted
- 1 lane 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
- {240D0741-1C89-4FFD-80CD-BF4A5CDA04E4}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 727 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.495289 -0.489533 51.495224 -0.489393 51.495132 -0.48918 51.495038 -0.488938 51.49501 -0.488852 51.494955 -0.48871 51.494926 -0.488596 51.494869 -0.488353 51.494821 -0.488124 51.494782 -0.487851 51.49473 -0.487363 51.494695 -0.486687 51.494682 -0.486371 51.494632 -0.485335 51.494604 -0.484558 51.494563 -0.482759 51.494537 -0.481593 51.494543 -0.480623 51.49452 -0.479278
Segment 6
11 coordinate pairs- Description
- M4 eastbound between J4B and J4
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 4 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
- {6C74E352-01F1-450C-B9F1-385A3B48DFE5}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 723 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.49452 -0.479278 51.494574 -0.478019 51.494678 -0.476309 51.494685 -0.4762 51.494718 -0.475842 51.494926 -0.473726 51.495042 -0.472585 51.495069 -0.472335 51.495157 -0.471541 51.495308 -0.469916 51.495386 -0.468957
Segment 7
3 coordinate pairs- Description
- M4 eastbound within J4
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 3 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
- {4442FA0A-EC3E-41C4-90D6-3ED4A57FAA16}
- Linear Element Type
- B Carriageway
- From Distance
- 93 m
- To Distance
- 223 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.495919 -0.458943 51.495913 -0.457754 51.495909 -0.457071
- Geometry type
- MultiLineString
- Geometry points
- 53
- First coordinate pair
- -0.460294, 51.495927
- Road section segments
- 1
- Road section points
- 53
View geometry JSON
{
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51.494537
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-0.457754,
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}
View road section coordinates
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51.495927
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51.495983
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51.495289
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51.495157
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51.495308
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-0.468957,
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51.495919
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[
-0.457754,
51.495913
],
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]
- Cause type
- Road Maintenance
- Detailed cause
- Roadworks
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Fri, Mar 13, 2026 3:22 PM
- Record versioned
- Sat, Mar 14, 2026 12:10 AM
- Coordinate source
- Geometry
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