M4 eastbound Jct 18 between exit and entry slip road carriageway closure
ClearedM4 eastbound Jct 18 between exit and entry slip road carriageway closure
- Start time
- Tue, Oct 6, 2026 8:42 PM
- Expected end
- Wed, Oct 7, 2026 5:00 AM
- Duration
- 3 hours 3 minutes 2 seconds
- Road
- M4 – M4 Eastbound Between J19 And J18
- Category
- Road Maintenance
- Direction
- Eastbound
- Carriageway
- Dual Carriageway
- Reason
- Roadworks
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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- First published
- Tue, Oct 6, 2026 8:42 PM
- Last updated
- Tue, Oct 6, 2026 11:09 PM
- Cleared
- Tue, Oct 6, 2026 11:45 PM
- Latest update: M4 eastbound Jct 18 between exit and entry slip road carriageway closure
- Coordinates
- 51.501526, -2.352692
- Latitude span
- 51.499987 – 51.502078
- Longitude span
- -2.366824 – -2.335976
- Bounding box centre
- 51.501033, -2.351400
- Location descriptions
-
- M4 eastbound between J19 and J18
- M4 eastbound within J18
- M4 eastbound between J18 and J17
- Feed validity status
- Active
- Overall feed start
- Tue, Oct 6, 2026 8:42 PM
- Overall feed end
- Wed, Oct 7, 2026 5:00 AM
- Feed window length
- 8 hours 18 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
11 coordinate pairs- Description
- M4 eastbound between J19 and J18
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 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
- {AE403C52-5D62-47F7-9FDF-592C93083448}
- Linear Element Type
- B Carriageway
- From Distance
- 4,473 m
- To Distance
- 4,868 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.499987 -2.366824 51.500221 -2.365668 51.500367 -2.364947 51.500422 -2.364645 51.500495 -2.364372 51.500622 -2.363768 51.500896 -2.36256 51.500987 -2.362143 51.501005 -2.362044 51.501097 -2.361553 51.501124 -2.361438
Segment 2
13 coordinate pairs- Description
- M4 eastbound within J18
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 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
- {9E391445-CF68-43AC-BC41-5E75DA82EEA8}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 756 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.501124 -2.361438 51.501335 -2.360042 51.501367 -2.359813 51.501529 -2.358588 51.501593 -2.357984 51.501732 -2.356717 51.501797 -2.355983 51.501901 -2.354514 51.501968 -2.353088 51.501978 -2.352786 51.501988 -2.352498 51.502001 -2.351172 51.501999 -2.350667
Segment 3
7 coordinate pairs- Description
- M4 eastbound within J18
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 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
- {32FADBBC-F816-49E8-B496-866F25C3CB2F}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 596 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.501959 -2.348864 51.501887 -2.347152 51.501837 -2.345711 51.501791 -2.343132 51.501812 -2.341835 51.501805 -2.341388 51.501862 -2.34028
Segment 4
6 coordinate pairs- Description
- M4 eastbound between J18 and J17
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 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
- {3076E318-401F-4607-BE8A-ECC40910170E}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 299 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.501862 -2.34028 51.501862 -2.340251 51.501911 -2.338897 51.50194 -2.338033 51.502016 -2.336737 51.502078 -2.335976
Segment 5
5 coordinate pairs- Description
- M4 eastbound within J18
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 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
- {F4DDBB46-70A5-4A49-9879-86CF9E3E0228}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 125 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.501999 -2.350667 51.501998 -2.350478 51.501994 -2.350265 51.501965 -2.348996 51.501959 -2.348864
- Geometry type
- MultiLineString
- Geometry points
- 42
- First coordinate pair
- -2.366824, 51.499987
- Road section segments
- 1
- Road section points
- 42
View geometry JSON
{
"type": "MultiLineString",
"coordinates": [
[
[
-2.366824,
51.499987
],
[
-2.365668,
51.500221
],
[
-2.364947,
51.500367
],
[
-2.364645,
51.500422
],
[
-2.364372,
51.500495
],
[
-2.363768,
51.500622
],
[
-2.36256,
51.500896
],
[
-2.362143,
51.500987
],
[
-2.362044,
51.501005
],
[
-2.361553,
51.501097
],
[
-2.361438,
51.501124
],
[
-2.361438,
51.501124
],
[
-2.360042,
51.501335
],
[
-2.359813,
51.501367
],
[
-2.358588,
51.501529
],
[
-2.357984,
51.501593
],
[
-2.356717,
51.501732
],
[
-2.355983,
51.501797
],
[
-2.354514,
51.501901
],
[
-2.353088,
51.501968
],
[
-2.352786,
51.501978
],
[
-2.352498,
51.501988
],
[
-2.351172,
51.502001
],
[
-2.350667,
51.501999
],
[
-2.348864,
51.501959
],
[
-2.347152,
51.501887
],
[
-2.345711,
51.501837
],
[
-2.343132,
51.501791
],
[
-2.341835,
51.501812
],
[
-2.341388,
51.501805
],
[
-2.34028,
51.501862
],
[
-2.34028,
51.501862
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51.501862
],
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51.501911
],
[
-2.338033,
51.50194
],
[
-2.336737,
51.502016
],
[
-2.335976,
51.502078
],
[
-2.350667,
51.501999
],
[
-2.350478,
51.501998
],
[
-2.350265,
51.501994
],
[
-2.348996,
51.501965
],
[
-2.348864,
51.501959
]
]
]
}
View road section coordinates
[
[
[
-2.366824,
51.499987
],
[
-2.365668,
51.500221
],
[
-2.364947,
51.500367
],
[
-2.364645,
51.500422
],
[
-2.364372,
51.500495
],
[
-2.363768,
51.500622
],
[
-2.36256,
51.500896
],
[
-2.362143,
51.500987
],
[
-2.362044,
51.501005
],
[
-2.361553,
51.501097
],
[
-2.361438,
51.501124
],
[
-2.361438,
51.501124
],
[
-2.360042,
51.501335
],
[
-2.359813,
51.501367
],
[
-2.358588,
51.501529
],
[
-2.357984,
51.501593
],
[
-2.356717,
51.501732
],
[
-2.355983,
51.501797
],
[
-2.354514,
51.501901
],
[
-2.353088,
51.501968
],
[
-2.352786,
51.501978
],
[
-2.352498,
51.501988
],
[
-2.351172,
51.502001
],
[
-2.350667,
51.501999
],
[
-2.348864,
51.501959
],
[
-2.347152,
51.501887
],
[
-2.345711,
51.501837
],
[
-2.343132,
51.501791
],
[
-2.341835,
51.501812
],
[
-2.341388,
51.501805
],
[
-2.34028,
51.501862
],
[
-2.34028,
51.501862
],
[
-2.340251,
51.501862
],
[
-2.338897,
51.501911
],
[
-2.338033,
51.50194
],
[
-2.336737,
51.502016
],
[
-2.335976,
51.502078
],
[
-2.350667,
51.501999
],
[
-2.350478,
51.501998
],
[
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51.501994
],
[
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51.501965
],
[
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51.501959
]
]
]
- Cause type
- Road Maintenance
- Detailed cause
- Roadworks
- Compliance
- Mandatory
- Probability
- Certain
- Validity status
- Active
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Tue, Oct 6, 2026 8:42 PM
- Record versioned
- Tue, Oct 6, 2026 11:09 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 Jct 18 to 17 lane closure (166/5 to 162/1)
Active Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Between J18 And J17
Expected to clear in 2 hours 27 minutes
Started 12 Oct 2026, 05:58
Expected clear 12 Oct 2026, 17:00
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
Category: Road Maintenance
View update
Contra flow westbound with eastbound closed from Horseshoe Drive
Active Roadworks National Highways
South Gloucestershire
A40 · A40 Eastbound Between A48 And A417 Near Gloucester (West)
Expected to clear in 2 months 3 weeks
Started 28 Jul 2026, 02:40
Expected clear 4 Jan 2027, 21:00
contra flow westbound with eastbound closed from Horseshoe Drive
Category: Road Maintenance
View update
A466 : Both directions : M48 J2 Newhouse to A48 Interchange : Resurfacing work : Road closed : Diversions in place : 12/10/26-15/10/26 2000-0600 :
Active Roadworks Traffic Wales
South Gloucestershire
Started Start time TBC
Description: A466 : Both directions : M48 J2 Newhouse to A48 Interchange : Resurfacing work : Road closed : Diversions in place : 12/10/26-15/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 15/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 11:57
View update
M4 Eastbound Jct 2 exit slip road closure
Planned Roadworks National Highways
Hounslow
M4 · M4 J2 Eastbound Exit
Starts in 6 hours 27 minutes
Starts 12 Oct 2026, 21:00
Expected clear 13 Oct 2026, 04:30
M4 Eastbound Jct 2 exit slip road closure
Category: Construction Work
View update
M4 Eastbound Jct 3 to Jct 2 lane 1 closure
Planned Roadworks National Highways
Hounslow
M4 · M4 Eastbound Between J3 And J2
Starts in 6 hours 27 minutes
Starts 12 Oct 2026, 21:00
Expected clear 13 Oct 2026, 04:30
M4 Eastbound Jct 3 to Jct 2 lane 1 closure
Category: Construction Work
View update
A40 eastbound lane 2 closure
Planned Roadworks National Highways
South Gloucestershire
A40 · A40 Eastbound Between A417 Near Gloucester (North) And M5
Starts in 5 hours 27 minutes
Starts 12 Oct 2026, 20:00
Expected clear 13 Oct 2026, 05:00
A40 eastbound lane 2 closure
Category: Road Maintenance
View update