M4 Eastbound Jct 3 exit slip road lane 3 closure

Cleared

Start time: Tue, Sep 22, 2026 9:00 PM
Expected end: Wed, Sep 23, 2026 4:30 AM
Duration: 6 hours 5 minutes 2 seconds
Road: M4 – M4 J3 Eastbound Exit
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: Lane 2 closed, 1 of 1 lanes affected, 1 of 3 lanes affected
Reason: Other

Live incident

Active roadworks

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Cleared

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First published: Tue, Sep 22, 2026 9:01 PM
Last updated: Wed, Sep 23, 2026 2:50 AM
Cleared: Wed, Sep 23, 2026 3:05 AM

Latest update: M4 Eastbound Jct 3 exit slip road lane 3 closure

Coordinates: 51.492835, -0.414205
Latitude span: 51.492767 – 51.492947
Longitude span: -0.417917 – -0.410949
Bounding box centre: 51.492857, -0.414433
Location descriptions: M4 J3 eastbound exit

M4 eastbound between J4 and J3

Feed validity status: Active
Overall feed start: Tue, Sep 22, 2026 9:00 PM
Overall feed end: Wed, Sep 23, 2026 4:30 AM
Feed window length: 7 hours 30 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

4 coordinate pairs

Description: M4 J3 eastbound exit
Lane Usage: Cl2
Lane Number: 2
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 1 operational lane
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: {3E139173-1EED-47DE-9DBB-1CDB4B738CA6}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 344 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.492862 -0.416739
51.492884 -0.415657
51.49279 -0.412074
51.492784 -0.411784

Segment 2

2 coordinate pairs

Description: M4 eastbound between J4 and J3
Carriageway: Dual Carriageway
Lane Usage: Cl2
Lane Number: 2
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: {E54946B4-B306-4292-9E00-7F994BD0C490}
Linear Element Type: B Carriageway
From Distance: 749 m
To Distance: 832 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.492947 -0.417917
51.492862 -0.416739

Segment 3

2 coordinate pairs

Description: M4 J3 eastbound exit
Lane Usage: Cl2
Lane Number: 2
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 1 operational lane
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: {0C54E77D-94D2-46E8-B6B4-4FDC0F933CC4}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 58 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.492784 -0.411784
51.492767 -0.410949

Geometry type: MultiLineString
Geometry points: 8
First coordinate pair: -0.416739, 51.492862
Road section segments: 1
Road section points: 8

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.416739,
                51.492862
            ],
            [
                -0.415657,
                51.492884
            ],
            [
                -0.412074,
                51.49279
            ],
            [
                -0.411784,
                51.492784
            ],
            [
                -0.417917,
                51.492947
            ],
            [
                -0.416739,
                51.492862
            ],
            [
                -0.411784,
                51.492784
            ],
            [
                -0.410949,
                51.492767
            ]
        ]
    ]
}

View road section coordinates

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