M4 eastbound lanes 3 and 2 closed (154/5B to 153/4B)

Planned

Start time: Thu, Oct 29, 2026 8:00 PM
Expected end: Fri, Oct 30, 2026 6:00 AM
Duration: 10 hours
Road: M4 – M4 Eastbound Between J18 And J17
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 2 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Fri, Oct 16, 2026 4:19 PM
Last updated: Thu, Oct 29, 2026 8:17 AM
Cleared: Fri, Oct 30, 2026 6:00 AM

Latest update: M4 eastbound lanes 3 and 2 closed (154/5B to 153/4B)

Coordinates: 51.513902, -2.135263
Latitude span: 51.512785 – 51.514552
Longitude span: -2.142948 – -2.130030
Bounding box centre: 51.513669, -2.136489
Location descriptions: M4 eastbound between J18 and J17

Feed validity status: Planned
Overall feed start: Thu, Oct 29, 2026 8:00 PM
Overall feed end: Fri, Oct 30, 2026 6:00 AM
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

6 coordinate pairs

Description: M4 eastbound between J18 and J17
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 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: {5CCF6932-1B08-4416-96F9-5D0D8C678927}
Linear Element Type: B Carriageway
From Distance: 471 m
To Distance: 1,176 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.512785 -2.142948
51.512985 -2.141832
51.513417 -2.139141
51.51375 -2.136889
51.514148 -2.133785
51.514231 -2.133072

Segment 2

4 coordinate pairs

Description: M4 eastbound between J18 and J17
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 2 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: {744DCE2C-A1E9-47A3-B07F-536E25300789}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 214 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.514231 -2.133072
51.514416 -2.131357
51.514504 -2.130508
51.514552 -2.13003

Geometry type: MultiLineString
Geometry points: 10
First coordinate pair: -2.142948, 51.512785
Road section segments: 1
Road section points: 10

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.142948,
                51.512785
            ],
            [
                -2.141832,
                51.512985
            ],
            [
                -2.139141,
                51.513417
            ],
            [
                -2.136889,
                51.51375
            ],
            [
                -2.133785,
                51.514148
            ],
            [
                -2.133072,
                51.514231
            ],
            [
                -2.133072,
                51.514231
            ],
            [
                -2.131357,
                51.514416
            ],
            [
                -2.130508,
                51.514504
            ],
            [
                -2.13003,
                51.514552
            ]
        ]
    ]
}

View road section coordinates

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