M4 eastbound lane 1 closure (99/2 to 98/1)

Cleared

Start time: Thu, Aug 6, 2026 8:00 PM
Expected end: Fri, Aug 7, 2026 5:00 AM
Duration: 9 hours
Road: M4 – M4 Eastbound Between J14 And J13
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: Lane 1 closed, 1 of 3 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

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Cleared

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First published: Thu, Jul 23, 2026 8:56 AM
Last updated: Sat, Aug 1, 2026 12:14 AM
Cleared: Fri, Aug 7, 2026 5:00 AM

Latest update: M4 eastbound lane 1 closure (99/2 to 98/1)

Coordinates: 51.450387, -1.407404
Latitude span: 51.449504 – 51.450979
Longitude span: -1.415302 – -1.399625
Bounding box centre: 51.450242, -1.407464
Location descriptions: M4 eastbound between J14 and J13

Feed validity status: Suspended
Overall feed start: Thu, Aug 6, 2026 8:00 PM
Overall feed end: Fri, Aug 7, 2026 5:00 AM
Feed window length: 9 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

2 coordinate pairs

Description: M4 eastbound between J14 and J13
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
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: Start2 End2
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {E9ED0C1B-9FC0-4A78-BA99-F660A0F60396}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 62 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.45066 -1.4056
51.450725 -1.4047

Segment 2

10 coordinate pairs

Description: M4 eastbound between J14 and J13
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
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: Start2 End2
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {7F348D43-44C5-4DC3-92F2-997C2990794C}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 678 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.449523 -1.415193
51.449554 -1.415002
51.449776 -1.413521
51.450081 -1.411352
51.450256 -1.409833
51.450434 -1.408191
51.450448 -1.408049
51.450517 -1.407307
51.450643 -1.405875
51.45066 -1.4056

Segment 3

3 coordinate pairs

Description: M4 eastbound between J14 and J13
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
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: Start2 End2
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {69751464-982A-44F2-A9A3-BB89DC4557B9}
Linear Element Type: B Carriageway
From Distance: 681 m
To Distance: 689 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.449504 -1.415302
51.449523 -1.415193
51.449523 -1.415193

Segment 4

8 coordinate pairs

Description: M4 eastbound between J14 and J13
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
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: Start2 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {C85B5ED4-896A-4D14-AF2D-1744BFE7C11C}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 353 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.450725 -1.4047
51.450745 -1.404431
51.450851 -1.40291
51.450891 -1.401974
51.450955 -1.400559
51.450964 -1.400362
51.450973 -1.399815
51.450979 -1.399625

Geometry type: MultiLineString
Geometry points: 23
First coordinate pair: -1.405600, 51.450660
Road section segments: 1
Road section points: 23

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.4056,
                51.45066
            ],
            [
                -1.4047,
                51.450725
            ],
            [
                -1.415193,
                51.449523
            ],
            [
                -1.415002,
                51.449554
            ],
            [
                -1.413521,
                51.449776
            ],
            [
                -1.411352,
                51.450081
            ],
            [
                -1.409833,
                51.450256
            ],
            [
                -1.408191,
                51.450434
            ],
            [
                -1.408049,
                51.450448
            ],
            [
                -1.407307,
                51.450517
            ],
            [
                -1.405875,
                51.450643
            ],
            [
                -1.4056,
                51.45066
            ],
            [
                -1.415302,
                51.449504
            ],
            [
                -1.415193,
                51.449523
            ],
            [
                -1.415193,
                51.449523
            ],
            [
                -1.4047,
                51.450725
            ],
            [
                -1.404431,
                51.450745
            ],
            [
                -1.40291,
                51.450851
            ],
            [
                -1.401974,
                51.450891
            ],
            [
                -1.400559,
                51.450955
            ],
            [
                -1.400362,
                51.450964
            ],
            [
                -1.399815,
                51.450973
            ],
            [
                -1.399625,
                51.450979
            ]
        ]
    ]
}

View road section coordinates

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