Hard shoulder closure

Cleared

hard shoulder closure

Start time: Wed, Jul 29, 2026 6:48 AM
Expected end: Wed, Jul 29, 2026 4:00 PM
Duration: 4 hours 22 minutes 2 seconds
Road: M4 – M4 Westbound Between J15 And J16
Category: Road Maintenance
Direction: Westbound
Carriageway: Dual Carriageway
Lanes affected: 1 of 2 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

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First published: Wed, Jul 29, 2026 6:48 AM
Last updated: Wed, Jul 29, 2026 10:32 AM
Cleared: Wed, Jul 29, 2026 11:10 AM

Latest update: hard shoulder closure

Coordinates: 51.527143, -1.729506
Latitude span: 51.526522 – 51.527954
Longitude span: -1.734112 – -1.726384
Bounding box centre: 51.527238, -1.730248
Location descriptions: M4 westbound between J15 and J16

M4 J15 westbound access

Feed validity status: Active
Overall feed start: Wed, Jul 29, 2026 6:48 AM
Overall feed end: Wed, Jul 29, 2026 4:00 PM
Feed window length: 9 hours 12 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

2 coordinate pairs

Description: M4 westbound between J15 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: West Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {C4237155-8096-4937-AE72-9138296C1A77}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 78 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.527808 -1.733004
51.527954 -1.734112

Segment 2

10 coordinate pairs

Description: M4 J15 westbound access
Lane Usage: Lh
Lane Number: 0
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane 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: {2CE9D6C1-6A83-480F-AC44-383D5D7BDEAB}
Linear Element Type: A Carriageway Entry Slip
From Distance: 66 m
To Distance: 547 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.526522 -1.726384
51.526538 -1.72643
51.526609 -1.726677
51.526691 -1.727029
51.52678 -1.72751
51.526947 -1.728349
51.527233 -1.729894
51.527407 -1.730815
51.527415 -1.730859
51.527808 -1.733004

Geometry type: MultiLineString
Geometry points: 12
First coordinate pair: -1.733004, 51.527808
Road section segments: 1
Road section points: 12

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.733004,
                51.527808
            ],
            [
                -1.734112,
                51.527954
            ],
            [
                -1.726384,
                51.526522
            ],
            [
                -1.72643,
                51.526538
            ],
            [
                -1.726677,
                51.526609
            ],
            [
                -1.727029,
                51.526691
            ],
            [
                -1.72751,
                51.52678
            ],
            [
                -1.728349,
                51.526947
            ],
            [
                -1.729894,
                51.527233
            ],
            [
                -1.730815,
                51.527407
            ],
            [
                -1.730859,
                51.527415
            ],
            [
                -1.733004,
                51.527808
            ]
        ]
    ]
}

View road section coordinates

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