M4 westbound Jct 8/9 entry slip road closure
ClearedM4 westbound Jct 8/9 entry slip road closure
- Start time
- Sat, Nov 7, 2026 1:00 AM
- Expected end
- Sat, Nov 7, 2026 6:00 AM
- Duration
- 45 minutes 2 seconds
- Road
- M4 – M4 J8 Westbound Access
- Category
- Road Maintenance
- Direction
- Westbound
- Reason
- Maintenance Work
Move Insights
Thinking of moving to this area?
Check flood risk, planning history, EPC ratings and more with a Move Insights property report.
- First published
- Fri, Nov 6, 2026 11:32 PM
- Last updated
- Sat, Nov 7, 2026 12:59 AM
- Cleared
- Sat, Nov 7, 2026 1:45 AM
- Latest update: M4 westbound Jct 8/9 entry slip road closure
- Coordinates
- 51.497134, -0.729219
- Latitude span
- 51.495416 – 51.498335
- Longitude span
- -0.733683 – -0.724618
- Bounding box centre
- 51.496876, -0.729151
- Location descriptions
-
- M4 J8 westbound access
- Feed validity status
- Planned
- Overall feed start
- Sat, Nov 7, 2026 1:00 AM
- Overall feed end
- Sat, Nov 7, 2026 6:00 AM
- Feed window length
- 5 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
10 coordinate pairs- Description
- M4 J8 westbound access
- 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
- {38B48D13-DB59-B684-442D-5F9EB2A03172}
- Linear Element Type
- A Carriageway Entry Slip
- From Distance
- 6 m
- To Distance
- 214 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.498241 -0.724618 51.498303 -0.724918 51.498324 -0.72506 51.498335 -0.725261 51.498305 -0.72546 51.498002 -0.727059 51.497972 -0.72718 51.497943 -0.727291 51.497917 -0.727386 51.497894 -0.727491
Segment 2
15 coordinate pairs- Description
- M4 J8 westbound access
- Lanes Restricted
- 1 lane 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
- {9F95CBFF-70F7-F1DC-B67D-4DFA5DB5A39A}
- Linear Element Type
- A Carriageway Entry Slip
- From Distance
- 0 m
- To Distance
- 513 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.497894 -0.727491 51.497752 -0.72795 51.497424 -0.729013 51.497203 -0.72965 51.49702 -0.730152 51.496829 -0.730634 51.496628 -0.731108 51.496427 -0.731583 51.49624 -0.731982 51.495968 -0.73251 51.495732 -0.732972 51.495627 -0.73316 51.495523 -0.733348 51.495433 -0.733526 51.495416 -0.733683
- Geometry type
- MultiLineString
- Geometry points
- 25
- First coordinate pair
- -0.724618, 51.498241
- Road section segments
- 1
- Road section points
- 25
View geometry JSON
{
"type": "MultiLineString",
"coordinates": [
[
[
-0.724618,
51.498241
],
[
-0.724918,
51.498303
],
[
-0.72506,
51.498324
],
[
-0.725261,
51.498335
],
[
-0.72546,
51.498305
],
[
-0.727059,
51.498002
],
[
-0.72718,
51.497972
],
[
-0.727291,
51.497943
],
[
-0.727386,
51.497917
],
[
-0.727491,
51.497894
],
[
-0.727491,
51.497894
],
[
-0.72795,
51.497752
],
[
-0.729013,
51.497424
],
[
-0.72965,
51.497203
],
[
-0.730152,
51.49702
],
[
-0.730634,
51.496829
],
[
-0.731108,
51.496628
],
[
-0.731583,
51.496427
],
[
-0.731982,
51.49624
],
[
-0.73251,
51.495968
],
[
-0.732972,
51.495732
],
[
-0.73316,
51.495627
],
[
-0.733348,
51.495523
],
[
-0.733526,
51.495433
],
[
-0.733683,
51.495416
]
]
]
}
View road section coordinates
[
[
[
-0.724618,
51.498241
],
[
-0.724918,
51.498303
],
[
-0.72506,
51.498324
],
[
-0.725261,
51.498335
],
[
-0.72546,
51.498305
],
[
-0.727059,
51.498002
],
[
-0.72718,
51.497972
],
[
-0.727291,
51.497943
],
[
-0.727386,
51.497917
],
[
-0.727491,
51.497894
],
[
-0.727491,
51.497894
],
[
-0.72795,
51.497752
],
[
-0.729013,
51.497424
],
[
-0.72965,
51.497203
],
[
-0.730152,
51.49702
],
[
-0.730634,
51.496829
],
[
-0.731108,
51.496628
],
[
-0.731583,
51.496427
],
[
-0.731982,
51.49624
],
[
-0.73251,
51.495968
],
[
-0.732972,
51.495732
],
[
-0.73316,
51.495627
],
[
-0.733348,
51.495523
],
[
-0.733526,
51.495433
],
[
-0.733683,
51.495416
]
]
]
- Cause type
- Road Maintenance
- Detailed cause
- Maintenance Work
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Fri, Nov 6, 2026 11:32 PM
- Record versioned
- Sat, Nov 7, 2026 12:59 AM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M4 eastbound Jct 18 to Jct 17 speed limit 50mph (166/0 to 161/4)
Active Roadworks National HighwaysExpected to clear in 5 months 2 days
M4 eastbound Jct 18 to Jct 17 speed limit 50mph (166/0 to 161/4)
M4 eastbound Jct 18 to Jct 17 narrow lanes (165/3 to 161/4)
Active Roadworks National HighwaysExpected to clear in 2 months 3 weeks
M4 eastbound Jct 18 to Jct 17 narrow lanes (165/3 to 161/4)
M4 eastbound hard shoulder closure (142/6B to 135/2B)
Active Roadworks National HighwaysExpected to clear in 2 months 5 days
M4 eastbound hard shoulder closure (142/6B to 135/2B)
M4 eastbound lane 1 and 2 closure (47/0 to 45/3)
Cleared Roadworks National HighwaysCleared 15 hours 49 minutes ago
M4 eastbound lane 1 and 2 closure (47/0 to 45/3)
M4 eastbound lane 1 and 2 closure (47/0 to 45/3)
Cleared Roadworks National HighwaysCleared 20 hours 49 minutes ago
M4 eastbound lane 1 and 2 closure (47/0 to 45/3)
M4 eastbound Jct 18 to Jct 17 carriageway closure (170/6 to 155/2)
Cleared Roadworks National HighwaysCleared 20 hours 49 minutes ago
M4 eastbound Jct 18 to Jct 17 carriageway closure (170/6 to 155/2)