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

Active

Start time: Tue, Aug 11, 2026 6:35 PM
Expected end: Wed, Aug 12, 2026 5:00 AM
Duration: 10 hours 25 minutes
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

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First published: Tue, Aug 11, 2026 6:35 PM
Last updated: Tue, Aug 11, 2026 10:05 PM
Cleared: Wed, Aug 12, 2026 5:00 AM

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: Tue, Aug 11, 2026 6:35 PM
Overall feed end: Wed, Aug 12, 2026 5:00 AM
Feed window length: 10 hours 25 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

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

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Other