M4 westbound Jct 20 exit slip road to M5 southbound closed
ClearedM4 westbound Jct 20 exit slip road to M5 southbound closed
- Start time
- Fri, Aug 14, 2026 7:52 PM
- Expected end
- Sat, Aug 15, 2026 5:00 AM
- Duration
- 2 hours 23 minutes 2 seconds
- Road
- M4 – Link Road From M4 Westbound J20 To M5 J15
- Category
- Road Maintenance
- Direction
- Westbound
- Reason
- Maintenance Work
Move Insights
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- First published
- Fri, Aug 14, 2026 7:59 PM
- Last updated
- Fri, Aug 14, 2026 9:26 PM
- Cleared
- Fri, Aug 14, 2026 10:15 PM
- Latest update: M4 westbound Jct 20 exit slip road to M5 southbound closed
- Coordinates
- 51.549268, -2.552385
- Latitude span
- 51.546826 – 51.550224
- Longitude span
- -2.555563 – -2.548835
- Bounding box centre
- 51.548525, -2.552199
- Location descriptions
-
- link road from M4 westbound J20 to M5 J15
- link road from M4 westbound J20 to M5 J15 southbound
- Feed validity status
- Active
- Overall feed start
- Fri, Aug 14, 2026 7:52 PM
- Overall feed end
- Sat, Aug 15, 2026 5:00 AM
- Feed window length
- 9 hours 8 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
6 coordinate pairs- Description
- link road from M4 westbound J20 to M5 J15
- 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
- {3668946D-64D3-402A-9730-EFB28A567BB7}
- Linear Element Type
- A Carriageway Exit Slip
- From Distance
- 57 m
- To Distance
- 356 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.546826 -2.548835 51.547456 -2.5494 51.547931 -2.54994 51.54842 -2.550571 51.548689 -2.550946 51.548985 -2.55138
Segment 2
13 coordinate pairs- Description
- link road from M4 westbound J20 to M5 J15 southbound
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- M5
- Linear Element Model
- The Network Model
- Linear Element Id
- {AC81159A-8958-40CC-953E-39B1B99B0340}
- Linear Element Type
- A Carriageway Entry Slip
- From Distance
- 0 m
- To Distance
- 332 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.548985 -2.55138 51.549226 -2.551787 51.549538 -2.552339 51.549671 -2.552629 51.549778 -2.552875 51.549839 -2.553035 51.549911 -2.553223 51.549982 -2.55344 51.550061 -2.553816 51.550149 -2.554293 51.550201 -2.554755 51.550217 -2.555102 51.550224 -2.555563
- Geometry type
- MultiLineString
- Geometry points
- 19
- First coordinate pair
- -2.548835, 51.546826
- Road section segments
- 1
- Road section points
- 19
View geometry JSON
{
"type": "MultiLineString",
"coordinates": [
[
[
-2.548835,
51.546826
],
[
-2.5494,
51.547456
],
[
-2.54994,
51.547931
],
[
-2.550571,
51.54842
],
[
-2.550946,
51.548689
],
[
-2.55138,
51.548985
],
[
-2.55138,
51.548985
],
[
-2.551787,
51.549226
],
[
-2.552339,
51.549538
],
[
-2.552629,
51.549671
],
[
-2.552875,
51.549778
],
[
-2.553035,
51.549839
],
[
-2.553223,
51.549911
],
[
-2.55344,
51.549982
],
[
-2.553816,
51.550061
],
[
-2.554293,
51.550149
],
[
-2.554755,
51.550201
],
[
-2.555102,
51.550217
],
[
-2.555563,
51.550224
]
]
]
}
View road section coordinates
[
[
[
-2.548835,
51.546826
],
[
-2.5494,
51.547456
],
[
-2.54994,
51.547931
],
[
-2.550571,
51.54842
],
[
-2.550946,
51.548689
],
[
-2.55138,
51.548985
],
[
-2.55138,
51.548985
],
[
-2.551787,
51.549226
],
[
-2.552339,
51.549538
],
[
-2.552629,
51.549671
],
[
-2.552875,
51.549778
],
[
-2.553035,
51.549839
],
[
-2.553223,
51.549911
],
[
-2.55344,
51.549982
],
[
-2.553816,
51.550061
],
[
-2.554293,
51.550149
],
[
-2.554755,
51.550201
],
[
-2.555102,
51.550217
],
[
-2.555563,
51.550224
]
]
]
- 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
- Fri, Aug 14, 2026 7:59 PM
- Record versioned
- Fri, Aug 14, 2026 9:26 PM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M4 eastbound lane 1 and lane 2 closure (107/1 to 106/2)
Active Roadworks National HighwaysExpected to clear in 5 hours 42 minutes
M4 eastbound lane 1 and lane 2 closure (107/1 to 106/2)
M4 eastbound Jct 18 to 17 - single lane running (166/1 to 161/7)
Active Roadworks National HighwaysExpected to clear in 5 hours 42 minutes
M4 eastbound Jct 18 to 17 - single lane running (166/1 to 161/7)
Contra flow westbound with eastbound closed from Horseshoe Drive
Active Roadworks National HighwaysExpected to clear in 4 months 2 weeks
contra flow westbound with eastbound closed from Horseshoe Drive
M4 eastbound Jct 21 to Jct 20 lane closure 184/8-186/4
Cleared Roadworks National HighwaysCleared 3 hours 17 minutes ago
M4 eastbound Jct 21 to Jct 20 lane closure 184/8-186/4
M4 westbound Jct 20 exit slip road to M5 southbound closed
Cleared Roadworks National HighwaysCleared 3 hours 17 minutes ago
M4 westbound Jct 20 exit slip road to M5 southbound closed
M5 Both Directions Jct 9 to Jct 15 mobile lane closures
Cleared Roadworks National HighwaysCleared 4 hours 17 minutes ago
M5 Both Directions Jct 9 to Jct 15 mobile lane closures