A404M southbound Jct 9a exit slip road closure

Cleared

Start time: Mon, Jan 5, 2026 9:00 PM
Expected end: Tue, Jan 6, 2026 6:00 AM
Duration: 9 hours
Road: A404(M) – A404(M) Southbound Between J9B And J9A
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Reason: Tree And Vegetation Cutting Work

Live incident

Active roadworks

Planned

Cleared

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First published: Tue, Oct 28, 2025 4:45 PM
Last updated: Mon, Jan 5, 2026 2:41 AM
Cleared: Tue, Jan 6, 2026 6:00 AM

Latest update: A404M southbound Jct 9a exit slip road closure

Coordinates: 51.507174, -0.734737
Latitude span: 51.506834 – 51.508126
Longitude span: -0.737509 – -0.733414
Bounding box centre: 51.507480, -0.735462
Location descriptions: A404(M) southbound between J9B and J9A

A404(M) J9A southbound access

A404(M) J9A southbound exit

Feed validity status: Planned
Overall feed start: Mon, Jan 5, 2026 9:00 PM
Overall feed end: Tue, Jan 6, 2026 6:00 AM
Feed window length: 9 hours
Probability code (raw): probable
Compliance option (raw): mandatory
Source identification (raw): roadworks

Management type value: carriagewayClosures (Carriageway Closures)
Contra-flow flag (raw): false
Width restriction flag (raw): false
Height restriction flag (raw): false
Weight restriction flag (raw): false

Segment 1

5 coordinate pairs

Description: A404(M) southbound between J9B and J9A
Carriageway: Dual Carriageway
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {9A36C08E-929F-4C16-83C3-50ECB9AD45A0}
Linear Element Type: B Carriageway
From Distance: 1,921 m
To Distance: 2,059 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.508126 -0.737509
51.507973 -0.737092
51.507807 -0.736665
51.507622 -0.736237
51.507447 -0.735839

Segment 2

2 coordinate pairs

Description: A404(M) J9A southbound access
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {DE934E51-9F7F-4AD0-BC01-6F49D5847D52}
Linear Element Type: B Carriageway Entry Slip
From Distance: 0 m
To Distance: 2 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.507041 -0.733414
51.507016 -0.733422

Segment 3

13 coordinate pairs

Description: A404(M) J9A southbound exit
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {14011BAB-38C7-4613-9E6F-DC0CC7C43104}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 167 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.507293 -0.735525
51.506903 -0.734598
51.506852 -0.734423
51.506837 -0.734256
51.506835 -0.734098
51.506834 -0.734026
51.506842 -0.733954
51.506859 -0.733838
51.506877 -0.73378
51.506932 -0.733642
51.506947 -0.733605
51.506999 -0.733503
51.507041 -0.733414

Segment 4

2 coordinate pairs

Description: A404(M) southbound between J9B and J9A
Carriageway: Dual Carriageway
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {6BC90F08-040C-40E1-9A38-0B579EB75249}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 27 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.507447 -0.735839
51.507293 -0.735525

Geometry type: MultiLineString
Geometry points: 22
First coordinate pair: -0.737509, 51.508126
Road section segments: 1
Road section points: 22

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.737509,
                51.508126
            ],
            [
                -0.737092,
                51.507973
            ],
            [
                -0.736665,
                51.507807
            ],
            [
                -0.736237,
                51.507622
            ],
            [
                -0.735839,
                51.507447
            ],
            [
                -0.733414,
                51.507041
            ],
            [
                -0.733422,
                51.507016
            ],
            [
                -0.735525,
                51.507293
            ],
            [
                -0.734598,
                51.506903
            ],
            [
                -0.734423,
                51.506852
            ],
            [
                -0.734256,
                51.506837
            ],
            [
                -0.734098,
                51.506835
            ],
            [
                -0.734026,
                51.506834
            ],
            [
                -0.733954,
                51.506842
            ],
            [
                -0.733838,
                51.506859
            ],
            [
                -0.73378,
                51.506877
            ],
            [
                -0.733642,
                51.506932
            ],
            [
                -0.733605,
                51.506947
            ],
            [
                -0.733503,
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            ],
            [
                -0.733414,
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            ],
            [
                -0.735839,
                51.507447
            ],
            [
                -0.735525,
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            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Tree And Vegetation Cutting Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures