M4 westbound Jct 16 - jct 17 lane 1 closure

Planned

Start time: Wed, Oct 14, 2026 8:00 PM
Expected end: Thu, Oct 15, 2026 5:00 AM
Duration: 9 hours
Road: M4 – M4 Westbound Between J16 And J17
Category: Road Maintenance
Direction: Westbound
Carriageway: Dual Carriageway
Lanes affected: Lane 1 closed, 1 of 3 lanes affected
Reason: Repair Work

Live incident

Active roadworks

Planned

Cleared

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First published: Tue, Oct 13, 2026 9:40 AM
Last updated: Wed, Oct 14, 2026 5:26 AM
Cleared: Thu, Oct 15, 2026 5:00 AM

Latest update: M4 westbound Jct 16 - jct 17 lane 1 closure

Coordinates: 51.534477, -2.006356
Latitude span: 51.533604 – 51.535649
Longitude span: -2.010214 – -2.000983
Bounding box centre: 51.534627, -2.005599
Location descriptions: M4 westbound between J16 and J17

Feed validity status: Planned
Overall feed start: Wed, Oct 14, 2026 8:00 PM
Overall feed end: Thu, Oct 15, 2026 5:00 AM
Feed window length: 9 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

3 coordinate pairs

Description: M4 westbound between J16 and J17
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: West Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {07F59A51-7419-45CC-BBAF-92FDC2701F4D}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 82 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.533871 -2.0091
51.533702 -2.009821
51.533604 -2.010214

Segment 2

5 coordinate pairs

Description: M4 westbound between J16 and J17
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: West Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M4
Linear Element Model: The Network Model
Linear Element Id: {DDF3B0C4-31F3-48D4-B03E-B322D70DE8A9}
Linear Element Type: A Carriageway
From Distance: 1,127 m
To Distance: 1,724 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.535649 -2.000983
51.535563 -2.001387
51.534898 -2.004587
51.534655 -2.005654
51.533871 -2.0091

Geometry type: MultiLineString
Geometry points: 8
First coordinate pair: -2.009100, 51.533871
Road section segments: 1
Road section points: 8

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.0091,
                51.533871
            ],
            [
                -2.009821,
                51.533702
            ],
            [
                -2.010214,
                51.533604
            ],
            [
                -2.000983,
                51.535649
            ],
            [
                -2.001387,
                51.535563
            ],
            [
                -2.004587,
                51.534898
            ],
            [
                -2.005654,
                51.534655
            ],
            [
                -2.0091,
                51.533871
            ]
        ]
    ]
}

View road section coordinates

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