Single lane running

Cleared

single lane running

Start time
Thu, Oct 8, 2026 7:00 PM
Expected end
Fri, Oct 9, 2026 5:00 AM
Duration
10 minutes 2 seconds
Road
M4 – M4 Westbound Between J16 And J17
Category
Road Maintenance
Direction
Westbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
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First published
Mon, Sep 21, 2026 10:49 AM
Last updated
Thu, Oct 8, 2026 6:52 PM
Cleared
Thu, Oct 8, 2026 7:10 PM
  • Latest update: single lane running
Coordinates
51.514797, -2.080137
Latitude span
51.514368 – 51.515337
Longitude span
-2.086779 – -2.073932
Bounding box centre
51.514853, -2.080356
Location descriptions
  • M4 westbound between J16 and J17
Feed validity status
Planned
Overall feed start
Thu, Oct 8, 2026 7:00 PM
Overall feed end
Fri, Oct 9, 2026 5:00 AM
Feed window length
10 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

4 coordinate pairs
Description
M4 westbound between J16 and J17
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 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
{9E6131FD-347E-431D-B190-05BAEF230191}
Linear Element Type
A Carriageway
From Distance
2,815 m
To Distance
3,039 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.515337 -2.073932
51.515246 -2.074656
51.515128 -2.075709
51.514995 -2.077114

Segment 2

8 coordinate pairs
Description
M4 westbound between J16 and J17
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 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
{D3FD34C6-1DE5-4236-8E73-1138026802AF}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
674 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.514995 -2.077114
51.514884 -2.078486
51.514684 -2.080817
51.514601 -2.082008
51.514527 -2.083235
51.514427 -2.085246
51.514377 -2.086549
51.514368 -2.086779
Geometry type
MultiLineString
Geometry points
12
First coordinate pair
-2.073932, 51.515337
Road section segments
1
Road section points
12
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.073932,
                51.515337
            ],
            [
                -2.074656,
                51.515246
            ],
            [
                -2.075709,
                51.515128
            ],
            [
                -2.077114,
                51.514995
            ],
            [
                -2.077114,
                51.514995
            ],
            [
                -2.078486,
                51.514884
            ],
            [
                -2.080817,
                51.514684
            ],
            [
                -2.082008,
                51.514601
            ],
            [
                -2.083235,
                51.514527
            ],
            [
                -2.085246,
                51.514427
            ],
            [
                -2.086549,
                51.514377
            ],
            [
                -2.086779,
                51.514368
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -2.073932,
            51.515337
        ],
        [
            -2.074656,
            51.515246
        ],
        [
            -2.075709,
            51.515128
        ],
        [
            -2.077114,
            51.514995
        ],
        [
            -2.077114,
            51.514995
        ],
        [
            -2.078486,
            51.514884
        ],
        [
            -2.080817,
            51.514684
        ],
        [
            -2.082008,
            51.514601
        ],
        [
            -2.083235,
            51.514527
        ],
        [
            -2.085246,
            51.514427
        ],
        [
            -2.086549,
            51.514377
        ],
        [
            -2.086779,
            51.514368
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
2
Record created
Mon, Sep 21, 2026 10:49 AM
Record versioned
Thu, Oct 8, 2026 6:52 PM
Coordinate source
Geometry

Driving on the M4? See every live closure, roadwork and planned restriction on this road.

M4 live closures

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