M4 Eastbound Jct 16 to Jct 15 lane closure 128/6-127/8

Cleared

Start time: Mon, Jul 13, 2026 7:46 PM
Expected end: Tue, Jul 14, 2026 5:00 AM
Duration: 3 hours 19 minutes 2 seconds
Road: M4 – M4 Eastbound Between J16 And J15
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: Lane 3 closed, 1 of 3 lanes affected
Reason: Repair Work

Live incident

Active roadworks

Planned

Cleared

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First published: Mon, Jul 13, 2026 7:46 PM
Last updated: Mon, Jul 13, 2026 10:37 PM
Cleared: Mon, Jul 13, 2026 11:05 PM

Latest update: M4 Eastbound Jct 16 to Jct 15 lane closure 128/6-127/8

Coordinates: 51.538758, -1.787559
Latitude span: 51.537722 – 51.539934
Longitude span: -1.794069 – -1.783015
Bounding box centre: 51.538828, -1.788542
Location descriptions: M4 eastbound between J16 and J15

Feed validity status: Active
Overall feed start: Mon, Jul 13, 2026 7:46 PM
Overall feed end: Tue, Jul 14, 2026 5:00 AM
Feed window length: 9 hours 14 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

3 coordinate pairs

Description: M4 eastbound between J16 and J15
Carriageway: Dual Carriageway
Lane Usage: Cl3
Lane Number: 3
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: {797CCDBE-7F97-436B-A8DC-51C9C982D29F}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 107 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.538109 -1.784432
51.538 -1.784029
51.537722 -1.783015

Segment 2

2 coordinate pairs

Description: M4 eastbound between J16 and J15
Carriageway: Dual Carriageway
Lane Usage: Cl3
Lane Number: 3
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: {04153171-98EE-4D9F-87AE-ED09369C2236}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 10 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.538145 -1.784576
51.538109 -1.784432

Segment 3

11 coordinate pairs

Description: M4 eastbound between J16 and J15
Carriageway: Dual Carriageway
Lane Usage: Cl3
Lane Number: 3
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: {CFBEE345-7EE4-46E5-AA8F-31FD0679CD61}
Linear Element Type: B Carriageway
From Distance: 1,055 m
To Distance: 1,744 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.539934 -1.794069
51.539842 -1.793278
51.539693 -1.792285
51.539693 -1.792277
51.539287 -1.789733
51.539069 -1.78858
51.538942 -1.787932
51.538779 -1.787154
51.538371 -1.785469
51.538281 -1.785109
51.538145 -1.784576

Geometry type: MultiLineString
Geometry points: 16
First coordinate pair: -1.784432, 51.538109
Road section segments: 1
Road section points: 16

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.784432,
                51.538109
            ],
            [
                -1.784029,
                51.538
            ],
            [
                -1.783015,
                51.537722
            ],
            [
                -1.784576,
                51.538145
            ],
            [
                -1.784432,
                51.538109
            ],
            [
                -1.794069,
                51.539934
            ],
            [
                -1.793278,
                51.539842
            ],
            [
                -1.792285,
                51.539693
            ],
            [
                -1.792277,
                51.539693
            ],
            [
                -1.789733,
                51.539287
            ],
            [
                -1.78858,
                51.539069
            ],
            [
                -1.787932,
                51.538942
            ],
            [
                -1.787154,
                51.538779
            ],
            [
                -1.785469,
                51.538371
            ],
            [
                -1.785109,
                51.538281
            ],
            [
                -1.784576,
                51.538145
            ]
        ]
    ]
}

View road section coordinates

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