M4 eastbound Jct 17 to Jct 16 lane 3 closure (153/0 to 151/7)

Cleared

Start time: Tue, Oct 20, 2026 7:42 PM
Expected end: Wed, Oct 21, 2026 5:00 AM
Duration: 1 hour 48 minutes 1 second
Road: M4 – M4 Eastbound Between J17 And J16
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: Lane 3 closed, 1 of 3 lanes affected
Reason: Repair Work

Live incident

Active roadworks

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Cleared

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First published: Tue, Oct 20, 2026 7:42 PM
Last updated: Tue, Oct 20, 2026 9:04 PM
Cleared: Tue, Oct 20, 2026 9:30 PM

Latest update: M4 eastbound Jct 17 to Jct 16 lane 3 closure (153/0 to 151/7)

Coordinates: 51.515089, -2.112777
Latitude span: 51.514741 – 51.515214
Longitude span: -2.121575 – -2.102637
Bounding box centre: 51.514978, -2.112106
Location descriptions: M4 eastbound between J17 and J16

M4 eastbound within J17

Feed validity status: Active
Overall feed start: Tue, Oct 20, 2026 7:42 PM
Overall feed end: Wed, Oct 21, 2026 5:00 AM
Feed window length: 9 hours 18 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

10 coordinate pairs

Description: M4 eastbound between J17 and J16
Carriageway: Dual Carriageway
Lane Usage: Cl3
Lane Number: 3
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: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {256B64BE-5ED6-4B31-B8C7-B7FD14C90FBF}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 758 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.515214 -2.113534
51.515214 -2.11313
51.515174 -2.111052
51.515146 -2.110133
51.5151 -2.108853
51.515055 -2.107825
51.514995 -2.106547
51.514909 -2.105292
51.51476 -2.102937
51.514741 -2.102637

Segment 2

2 coordinate pairs

Description: M4 eastbound within J17
Carriageway: Dual Carriageway
Lane Usage: Cl3
Lane Number: 3
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: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {1A1FB803-12FC-4A7A-A945-379B80D848E9}
Linear Element Type: B Carriageway
From Distance: 74 m
To Distance: 130 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.515094 -2.121575
51.515126 -2.120768

Segment 3

6 coordinate pairs

Description: M4 eastbound within J17
Carriageway: Dual Carriageway
Lane Usage: Cl3
Lane Number: 3
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: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {03E30372-E28B-4181-BAF9-13906D8D3F22}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 502 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.515126 -2.120768
51.515135 -2.120278
51.515187 -2.117684
51.515205 -2.116759
51.515205 -2.116676
51.515214 -2.113534

Geometry type: MultiLineString
Geometry points: 18
First coordinate pair: -2.113534, 51.515214
Road section segments: 1
Road section points: 18

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.113534,
                51.515214
            ],
            [
                -2.11313,
                51.515214
            ],
            [
                -2.111052,
                51.515174
            ],
            [
                -2.110133,
                51.515146
            ],
            [
                -2.108853,
                51.5151
            ],
            [
                -2.107825,
                51.515055
            ],
            [
                -2.106547,
                51.514995
            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
                -2.120768,
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
                -2.116676,
                51.515205
            ],
            [
                -2.113534,
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            ]
        ]
    ]
}

View road section coordinates

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