A404 southbound lane 2 (54/8 to Bisham roundabout)

Cleared

Start time: Wed, Feb 11, 2026 9:00 PM
Expected end: Thu, Feb 12, 2026 5:00 AM
Duration: 8 hours
Road: A404 – A404 Southbound Between A4155 And A308
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Lanes affected: Lane 2 closed, 1 of 1 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Dec 24, 2025 10:11 AM
Last updated: Tue, Feb 10, 2026 9:28 PM
Cleared: Thu, Feb 12, 2026 5:00 AM

Latest update: A404 southbound lane 2 (54/8 to Bisham roundabout)

Coordinates: 51.557662, -0.770003
Latitude span: 51.554909 – 51.561017
Longitude span: -0.773747 – -0.765493
Bounding box centre: 51.557963, -0.769620
Location descriptions: A404 southbound between A4155 and A308

Feed validity status: Planned
Overall feed start: Wed, Feb 11, 2026 9:00 PM
Overall feed end: Thu, Feb 12, 2026 5:00 AM
Feed window length: 8 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: A404 southbound between A4155 and A308
Carriageway: Dual Carriageway
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: South Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: A404
Linear Element Model: The Network Model
Linear Element Id: {1B871555-7DAF-41AE-858B-C5E4D8B41241}
Linear Element Type: B Carriageway
From Distance: 392 m
To Distance: 667 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.561017 -0.765493
51.560689 -0.76584
51.560281 -0.766295
51.559951 -0.766694
51.559621 -0.767115
51.559066 -0.767931

Segment 2

3 coordinate pairs

Description: A404 southbound between A4155 and A308
Carriageway: Dual Carriageway
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: South Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: A404
Linear Element Model: The Network Model
Linear Element Id: {1B871555-7DAF-41AE-858B-C5E4D8B41241}
Linear Element Type: B Carriageway
From Distance: 667 m
To Distance: 715 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.559066 -0.767931
51.558935 -0.768124
51.558753 -0.768391

Segment 3

4 coordinate pairs

Description: A404 southbound between A4155 and A308
Carriageway: Dual Carriageway
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: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404
Linear Element Model: The Network Model
Linear Element Id: {A50151F4-F46E-4630-8EE6-74D8BAFD739F}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 238 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.558753 -0.768391
51.558636 -0.768564
51.557434 -0.770313
51.557176 -0.770719

Segment 4

2 coordinate pairs

Description: A404 southbound between A4155 and A308
Carriageway: Dual Carriageway
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: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404
Linear Element Model: The Network Model
Linear Element Id: {F9902810-006B-4BE4-9376-65C858842244}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 39 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.557176 -0.770719
51.556913 -0.771093

Segment 5

9 coordinate pairs

Description: A404 southbound between A4155 and A308
Carriageway: Dual Carriageway
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: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404
Linear Element Model: The Network Model
Linear Element Id: {F9902810-006B-4BE4-9376-65C858842244}
Linear Element Type: B Carriageway
From Distance: 39 m
To Distance: 330 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.556913 -0.771093
51.556612 -0.771522
51.555964 -0.772465
51.555501 -0.77314
51.555282 -0.77347
51.555164 -0.773619
51.555089 -0.773685
51.554997 -0.773723
51.554909 -0.773747

Geometry type: MultiLineString
Geometry points: 24
First coordinate pair: -0.765493, 51.561017
Road section segments: 1
Road section points: 24

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.765493,
                51.561017
            ],
            [
                -0.76584,
                51.560689
            ],
            [
                -0.766295,
                51.560281
            ],
            [
                -0.766694,
                51.559951
            ],
            [
                -0.767115,
                51.559621
            ],
            [
                -0.767931,
                51.559066
            ],
            [
                -0.767931,
                51.559066
            ],
            [
                -0.768124,
                51.558935
            ],
            [
                -0.768391,
                51.558753
            ],
            [
                -0.768391,
                51.558753
            ],
            [
                -0.768564,
                51.558636
            ],
            [
                -0.770313,
                51.557434
            ],
            [
                -0.770719,
                51.557176
            ],
            [
                -0.770719,
                51.557176
            ],
            [
                -0.771093,
                51.556913
            ],
            [
                -0.771093,
                51.556913
            ],
            [
                -0.771522,
                51.556612
            ],
            [
                -0.772465,
                51.555964
            ],
            [
                -0.77314,
                51.555501
            ],
            [
                -0.77347,
                51.555282
            ],
            [
                -0.773619,
                51.555164
            ],
            [
                -0.773685,
                51.555089
            ],
            [
                -0.773723,
                51.554997
            ],
            [
                -0.773747,
                51.554909
            ]
        ]
    ]
}

View road section coordinates

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