Crash View

Single lane running

Cleared

single lane running

Start time
Tue, Oct 6, 2026 6:41 PM
Expected end
Wed, Oct 7, 2026 5:00 AM
Duration
5 hours 4 minutes 2 seconds
Road
M4 – M4 Eastbound Between J19 And J18
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Tue, Oct 6, 2026 6:41 PM
Last updated
Tue, Oct 6, 2026 11:09 PM
Cleared
Tue, Oct 6, 2026 11:45 PM
  • Latest update: single lane running
Coordinates
51.499321, -2.446783
Latitude span
51.497875 – 51.501703
Longitude span
-2.461449 – -2.429391
Bounding box centre
51.499789, -2.445420
Location descriptions
  • M4 eastbound between J19 and J18
Feed validity status
Active
Overall feed start
Tue, Oct 6, 2026 6:41 PM
Overall feed end
Wed, Oct 7, 2026 5:00 AM
Feed window length
10 hours 19 minutes
Probability code (raw)
certain
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

23 coordinate pairs
Description
M4 eastbound between J19 and J18
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{ECE92394-6379-4B07-B9E8-82CA83CEA3C5}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
2,101 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.501451 -2.46046
51.501115 -2.459102
51.500832 -2.457903
51.500673 -2.457196
51.500416 -2.456055
51.500055 -2.454294
51.499869 -2.453442
51.499675 -2.452446
51.499499 -2.451393
51.499297 -2.450209
51.499139 -2.449185
51.498973 -2.447973
51.498833 -2.447007
51.498511 -2.444238
51.498355 -2.442723
51.498217 -2.441022
51.498012 -2.438067
51.497964 -2.436597
51.49794 -2.435833
51.497916 -2.435084
51.497885 -2.433557
51.497875 -2.43154
51.497877 -2.430949

Segment 2

2 coordinate pairs
Description
M4 eastbound between J19 and J18
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes 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
{AE403C52-5D62-47F7-9FDF-592C93083448}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
108 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.497877 -2.430949
51.497888 -2.429391

Segment 3

3 coordinate pairs
Description
M4 eastbound between J19 and J18
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 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
{D220B0D0-30D4-43FF-9FDC-24DE0B352023}
Linear Element Type
B Carriageway
From Distance
866 m
To Distance
941 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.501703 -2.461449
51.50169 -2.461398
51.501451 -2.46046
Geometry type
MultiLineString
Geometry points
28
First coordinate pair
-2.460460, 51.501451
Road section segments
1
Road section points
28
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.46046,
                51.501451
            ],
            [
                -2.459102,
                51.501115
            ],
            [
                -2.457903,
                51.500832
            ],
            [
                -2.457196,
                51.500673
            ],
            [
                -2.456055,
                51.500416
            ],
            [
                -2.454294,
                51.500055
            ],
            [
                -2.453442,
                51.499869
            ],
            [
                -2.452446,
                51.499675
            ],
            [
                -2.451393,
                51.499499
            ],
            [
                -2.450209,
                51.499297
            ],
            [
                -2.449185,
                51.499139
            ],
            [
                -2.447973,
                51.498973
            ],
            [
                -2.447007,
                51.498833
            ],
            [
                -2.444238,
                51.498511
            ],
            [
                -2.442723,
                51.498355
            ],
            [
                -2.441022,
                51.498217
            ],
            [
                -2.438067,
                51.498012
            ],
            [
                -2.436597,
                51.497964
            ],
            [
                -2.435833,
                51.49794
            ],
            [
                -2.435084,
                51.497916
            ],
            [
                -2.433557,
                51.497885
            ],
            [
                -2.43154,
                51.497875
            ],
            [
                -2.430949,
                51.497877
            ],
            [
                -2.430949,
                51.497877
            ],
            [
                -2.429391,
                51.497888
            ],
            [
                -2.461449,
                51.501703
            ],
            [
                -2.461398,
                51.50169
            ],
            [
                -2.46046,
                51.501451
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -2.46046,
            51.501451
        ],
        [
            -2.459102,
            51.501115
        ],
        [
            -2.457903,
            51.500832
        ],
        [
            -2.457196,
            51.500673
        ],
        [
            -2.456055,
            51.500416
        ],
        [
            -2.454294,
            51.500055
        ],
        [
            -2.453442,
            51.499869
        ],
        [
            -2.452446,
            51.499675
        ],
        [
            -2.451393,
            51.499499
        ],
        [
            -2.450209,
            51.499297
        ],
        [
            -2.449185,
            51.499139
        ],
        [
            -2.447973,
            51.498973
        ],
        [
            -2.447007,
            51.498833
        ],
        [
            -2.444238,
            51.498511
        ],
        [
            -2.442723,
            51.498355
        ],
        [
            -2.441022,
            51.498217
        ],
        [
            -2.438067,
            51.498012
        ],
        [
            -2.436597,
            51.497964
        ],
        [
            -2.435833,
            51.49794
        ],
        [
            -2.435084,
            51.497916
        ],
        [
            -2.433557,
            51.497885
        ],
        [
            -2.43154,
            51.497875
        ],
        [
            -2.430949,
            51.497877
        ],
        [
            -2.430949,
            51.497877
        ],
        [
            -2.429391,
            51.497888
        ],
        [
            -2.461449,
            51.501703
        ],
        [
            -2.461398,
            51.50169
        ],
        [
            -2.46046,
            51.501451
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Tue, Oct 6, 2026 6:41 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 closures

Related incidents

M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running

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South Gloucestershire M4 · M4 Eastbound Between J19 And J18

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Started 11 Oct 2026, 19:58 Expected clear 12 Oct 2026, 05:00

M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running

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Contra flow westbound with eastbound closed from Horseshoe Drive

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contra flow westbound with eastbound closed from Horseshoe Drive

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Contra flow westbound with eastbound closed from Horseshoe Drive

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Expected to clear in 2 months 3 weeks

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contra flow westbound with eastbound closed from Horseshoe Drive

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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 19 to Jct 18 hardshoulder or single lane running

Cleared Roadworks National Highways
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Cleared 2 hours 56 minutes ago

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M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running

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View update

Lane 1 closure

Cleared Roadworks National Highways
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Cleared 1 day 18 hours ago

Started 9 Oct 2026, 20:00 Ended 10 Oct 2026, 05:00

lane 1 closure

Category: Road Maintenance
View update