A21 southbound lane 1 closure (36/6 to 37/9

Cleared

Start time: Mon, May 18, 2026 7:00 PM
Expected end: Tue, May 19, 2026 5:00 AM
Duration: 10 hours
Road: A21 – A21 Southbound Between A225 And A26 Near Tonbridge (West)
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Lanes affected: Lane 1 closed, 1 of 1 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, May 14, 2026 11:57 AM
Last updated: Mon, May 18, 2026 6:49 PM
Cleared: Tue, May 19, 2026 5:00 AM

Latest update: A21 southbound lane 1 closure (36/6 to 37/9

Coordinates: 51.216028, 0.224386
Latitude span: 51.210350 – 51.221798
Longitude span: 0.222900 – 0.225445
Bounding box centre: 51.216074, 0.224173
Location descriptions: A21 southbound between A225 and A26 near Tonbridge (west)

Feed validity status: Planned
Overall feed start: Mon, May 18, 2026 7:00 PM
Overall feed end: Tue, May 19, 2026 5:00 AM
Feed window length: 10 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

4 coordinate pairs

Description: A21 southbound between A225 and A26 near Tonbridge (west)
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
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 End2
Linear Element Road: A21
Linear Element Model: The Network Model
Linear Element Id: {129F69D7-D2FD-4C78-ADE2-FB9222090856}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 96 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.211208 0.225268
51.210802 0.225349
51.210658 0.22538
51.21035 0.225445

Segment 2

9 coordinate pairs

Description: A21 southbound between A225 and A26 near Tonbridge (west)
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
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: A21
Linear Element Model: The Network Model
Linear Element Id: {82A5B385-FD33-4AF1-B895-767034EEFD14}
Linear Element Type: A Carriageway
From Distance: 1,279 m
To Distance: 1,766 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.221798 0.2229
51.221387 0.223071
51.221014 0.223216
51.220697 0.223339
51.220652 0.223354
51.220016 0.223558
51.219336 0.223776
51.218524 0.224039
51.217505 0.224283

Segment 3

9 coordinate pairs

Description: A21 southbound between A225 and A26 near Tonbridge (west)
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
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 End2
Linear Element Road: A21
Linear Element Model: The Network Model
Linear Element Id: {0EB225F0-7057-4675-A4F7-474BF081191B}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 704 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.217505 0.224283
51.217188 0.224368
51.216304 0.22454
51.215572 0.224677
51.21421 0.224912
51.213128 0.22506
51.212281 0.225151
51.211281 0.225258
51.211208 0.225268

Geometry type: MultiLineString
Geometry points: 22
First coordinate pair: 0.225268, 51.211208
Road section segments: 1
Road section points: 22

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
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            [
                0.225268,
                51.211208
            ],
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                51.210802
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                51.210658
            ],
            [
                0.225445,
                51.21035
            ],
            [
                0.2229,
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            ],
            [
                0.223071,
                51.221387
            ],
            [
                0.223216,
                51.221014
            ],
            [
                0.223339,
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            ],
            [
                0.223354,
                51.220652
            ],
            [
                0.223558,
                51.220016
            ],
            [
                0.223776,
                51.219336
            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
                0.22454,
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
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            ],
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                0.225258,
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            ],
            [
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            ]
        ]
    ]
}

View road section coordinates

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