M4 eastbound lane 1 and lane 2 closure (107/1 to 106/2)

Cleared

M4 eastbound lane 1 and lane 2 closure (107/1 to 106/2)

Start time
Wed, Aug 12, 2026 7:00 PM
Expected end
Thu, Aug 13, 2026 5:00 AM
Duration
1 hour 1 second
Road
M4 – M4 Eastbound Between J15 And J14
Category
Road Maintenance
Direction
Eastbound
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
Wed, Aug 12, 2026 6:32 PM
Last updated
Wed, Aug 12, 2026 7:11 PM
Cleared
Wed, Aug 12, 2026 8:00 PM
  • Latest update: M4 eastbound lane 1 and lane 2 closure (107/1 to 106/2)
Coordinates
51.466891, -1.512801
Latitude span
51.464370 – 51.469132
Longitude span
-1.518280 – -1.507786
Bounding box centre
51.466751, -1.513033
Location descriptions
  • M4 eastbound between J15 and J14
Feed validity status
Active
Overall feed start
Wed, Aug 12, 2026 7:00 PM
Overall feed end
Thu, Aug 13, 2026 5:00 AM
Feed window length
10 hours
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

5 coordinate pairs
Description
M4 eastbound between J15 and J14
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
{003A2CF1-A9FA-4FE5-B69F-907EDF1D988D}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
274 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.466028 -1.510705
51.465566 -1.509832
51.465222 -1.509217
51.464388 -1.507815
51.46437 -1.507786

Segment 2

12 coordinate pairs
Description
M4 eastbound between J15 and J14
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
{01DA6655-5322-47D3-8723-F922C922745C}
Linear Element Type
B Carriageway
From Distance
839 m
To Distance
1,470 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.469132 -1.51828
51.468989 -1.517829
51.468516 -1.516466
51.468343 -1.515979
51.46807 -1.515276
51.468047 -1.515219
51.467543 -1.513972
51.46718 -1.513112
51.466899 -1.512496
51.466636 -1.511923
51.466191 -1.511006
51.466028 -1.510705
Geometry type
MultiLineString
Geometry points
17
First coordinate pair
-1.510705, 51.466028
Road section segments
1
Road section points
17
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.510705,
                51.466028
            ],
            [
                -1.509832,
                51.465566
            ],
            [
                -1.509217,
                51.465222
            ],
            [
                -1.507815,
                51.464388
            ],
            [
                -1.507786,
                51.46437
            ],
            [
                -1.51828,
                51.469132
            ],
            [
                -1.517829,
                51.468989
            ],
            [
                -1.516466,
                51.468516
            ],
            [
                -1.515979,
                51.468343
            ],
            [
                -1.515276,
                51.46807
            ],
            [
                -1.515219,
                51.468047
            ],
            [
                -1.513972,
                51.467543
            ],
            [
                -1.513112,
                51.46718
            ],
            [
                -1.512496,
                51.466899
            ],
            [
                -1.511923,
                51.466636
            ],
            [
                -1.511006,
                51.466191
            ],
            [
                -1.510705,
                51.466028
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -1.510705,
            51.466028
        ],
        [
            -1.509832,
            51.465566
        ],
        [
            -1.509217,
            51.465222
        ],
        [
            -1.507815,
            51.464388
        ],
        [
            -1.507786,
            51.46437
        ],
        [
            -1.51828,
            51.469132
        ],
        [
            -1.517829,
            51.468989
        ],
        [
            -1.516466,
            51.468516
        ],
        [
            -1.515979,
            51.468343
        ],
        [
            -1.515276,
            51.46807
        ],
        [
            -1.515219,
            51.468047
        ],
        [
            -1.513972,
            51.467543
        ],
        [
            -1.513112,
            51.46718
        ],
        [
            -1.512496,
            51.466899
        ],
        [
            -1.511923,
            51.466636
        ],
        [
            -1.511006,
            51.466191
        ],
        [
            -1.510705,
            51.466028
        ]
    ]
]
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
Wed, Aug 12, 2026 6:32 PM
Record versioned
Wed, Aug 12, 2026 7:11 PM
Coordinate source
Geometry

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