A21 southbound lane 1 closure (37/6A to 38/3A)

Cleared

Start time: Mon, Aug 17, 2026 6:46 PM
Expected end: Tue, Aug 18, 2026 5:00 AM
Duration: 1 hour 14 minutes 2 seconds
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

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Cleared

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First published: Mon, Aug 17, 2026 6:46 PM
Last updated: Mon, Aug 17, 2026 7:31 PM
Cleared: Mon, Aug 17, 2026 8:00 PM

Latest update: A21 southbound lane 1 closure (37/6A to 38/3A)

Coordinates: 51.210151, 0.225609
Latitude span: 51.206970 – 51.213052
Longitude span: 0.225068 – 0.226834
Bounding box centre: 51.210011, 0.225951
Location descriptions: A21 southbound between A225 and A26 near Tonbridge (west)

Feed validity status: Active
Overall feed start: Mon, Aug 17, 2026 6:46 PM
Overall feed end: Tue, Aug 18, 2026 5:00 AM
Feed window length: 10 hours 14 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

6 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: 216 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
51.210251 0.225466
51.210025 0.225541
51.209284 0.225748

Segment 2

5 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 End1
Linear Element Road: A21
Linear Element Model: The Network Model
Linear Element Id: {E5151171-0CDC-430C-90CA-0664271251EA}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 268 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.209284 0.225748
51.209247 0.225761
51.208595 0.22603
51.208123 0.226264
51.20697 0.226834

Segment 3

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: 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: 498 m
To Distance: 704 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.213052 0.225068
51.212281 0.225151
51.211281 0.225258
51.211208 0.225268

Geometry type: MultiLineString
Geometry points: 15
First coordinate pair: 0.225268, 51.211208
Road section segments: 1
Road section points: 15

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.225268,
                51.211208
            ],
            [
                0.225349,
                51.210802
            ],
            [
                0.22538,
                51.210658
            ],
            [
                0.225466,
                51.210251
            ],
            [
                0.225541,
                51.210025
            ],
            [
                0.225748,
                51.209284
            ],
            [
                0.225748,
                51.209284
            ],
            [
                0.225761,
                51.209247
            ],
            [
                0.22603,
                51.208595
            ],
            [
                0.226264,
                51.208123
            ],
            [
                0.226834,
                51.20697
            ],
            [
                0.225068,
                51.213052
            ],
            [
                0.225151,
                51.212281
            ],
            [
                0.225258,
                51.211281
            ],
            [
                0.225268,
                51.211208
            ]
        ]
    ]
}

View road section coordinates

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