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

Cleared

Start time: Fri, Aug 7, 2026 8:00 PM
Expected end: Sat, Aug 8, 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

Planned

Cleared

Hover or tap markers for full details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment

Planning history

EPC ratings & more

Get a property report

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