M4 both directions Jct 16 to Jct 17 - hard shoulder only

Cleared

Start time: Thu, Jul 30, 2026 6:00 AM
Expected end: Thu, Jul 30, 2026 4:00 PM
Duration: 10 hours
Road: M4 – M4 Eastbound Between J17 And J16
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Jul 29, 2026 1:30 PM
Last updated: Thu, Jul 30, 2026 3:29 PM
Cleared: Thu, Jul 30, 2026 4:00 PM

Latest update: M4 both directions Jct 16 to Jct 17 - hard shoulder only

Coordinates: 51.539874, -1.985627
Latitude span: 51.537301 – 51.543281
Longitude span: -1.993629 – -1.976980
Bounding box centre: 51.540291, -1.985305
Location descriptions: M4 eastbound between J17 and J16

Feed validity status: Planned
Overall feed start: Thu, Jul 30, 2026 6:00 AM
Overall feed end: Thu, Jul 30, 2026 4:00 PM
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

12 coordinate pairs

Description: M4 eastbound between J17 and J16
Carriageway: Dual Carriageway
Lane Usage: Lh
Lane Number: 0
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 0 lanes restricted
Operational Lanes: 4 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: {DDBC8956-7B5B-4E2E-B676-464FA35443D8}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 755 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.539502 -1.986016
51.539663 -1.985555
51.540355 -1.983766
51.540598 -1.983161
51.540939 -1.982339
51.541191 -1.981776
51.541398 -1.981329
51.542072 -1.979873
51.542117 -1.979757
51.542593 -1.978675
51.54297 -1.977767
51.543281 -1.97698

Segment 2

11 coordinate pairs

Description: M4 eastbound between J17 and J16
Carriageway: Dual Carriageway
Lane Usage: Lh
Lane Number: 0
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 0 lanes restricted
Operational Lanes: 4 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: {3AE07791-E070-4589-8925-65A207836087}
Linear Element Type: B Carriageway
From Distance: 1,137 m
To Distance: 1,720 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.537301 -1.993629
51.537326 -1.993514
51.537487 -1.992822
51.537595 -1.992375
51.537829 -1.991438
51.538216 -1.990039
51.538368 -1.989506
51.538548 -1.988886
51.539078 -1.987242
51.539168 -1.986968
51.539502 -1.986016

Geometry type: MultiLineString
Geometry points: 23
First coordinate pair: -1.986016, 51.539502
Road section segments: 1
Road section points: 23

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.986016,
                51.539502
            ],
            [
                -1.985555,
                51.539663
            ],
            [
                -1.983766,
                51.540355
            ],
            [
                -1.983161,
                51.540598
            ],
            [
                -1.982339,
                51.540939
            ],
            [
                -1.981776,
                51.541191
            ],
            [
                -1.981329,
                51.541398
            ],
            [
                -1.979873,
                51.542072
            ],
            [
                -1.979757,
                51.542117
            ],
            [
                -1.978675,
                51.542593
            ],
            [
                -1.977767,
                51.54297
            ],
            [
                -1.97698,
                51.543281
            ],
            [
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                51.537301
            ],
            [
                -1.993514,
                51.537326
            ],
            [
                -1.992822,
                51.537487
            ],
            [
                -1.992375,
                51.537595
            ],
            [
                -1.991438,
                51.537829
            ],
            [
                -1.990039,
                51.538216
            ],
            [
                -1.989506,
                51.538368
            ],
            [
                -1.988886,
                51.538548
            ],
            [
                -1.987242,
                51.539078
            ],
            [
                -1.986968,
                51.539168
            ],
            [
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            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other