Crash View

A21 southbound lane 2 closure (48/2 to 50/0)

Planned

A21 southbound lane 2 closure (48/2 to 50/0)

Start time
Mon, Dec 15, 2025 8:00 PM
Expected end
Tue, Dec 16, 2025 6:00 AM
Duration
10 hours
Road
A21 – A21 Southbound Within The A228 Junction
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 closed, 1 of 1 lanes affected
Reason
Maintenance Work
Active
Planned
Cleared
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First published
Tue, Dec 9, 2025 4:48 PM
Last updated
Tue, Dec 16, 2025 2:31 AM
Cleared
Tue, Dec 16, 2025 6:00 AM
  • Latest update: A21 southbound lane 2 closure (48/2 to 50/0)
Coordinates
51.143839, 0.309331
Latitude span
51.139898 – 51.149626
Longitude span
0.303038 – 0.321211
Bounding box centre
51.144762, 0.312125
Location descriptions
  • A21 southbound within the A228 junction
  • A21 southbound between A228 and B2160
  • A21 southbound between A26 near Tonbridge (east) and A228
Feed validity status
Planned
Overall feed start
Mon, Dec 15, 2025 8:00 PM
Overall feed end
Tue, Dec 16, 2025 6:00 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

2 coordinate pairs
Description
A21 southbound within the A228 junction
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
A21
Linear Element Model
The Network Model
Linear Element Id
{4F3B539A-69B2-429A-9A10-A32C3A080E3D}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
8 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.143443 0.308334
51.143396 0.308432

Segment 2

8 coordinate pairs
Description
A21 southbound between A228 and B2160
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
A21
Linear Element Model
The Network Model
Linear Element Id
{705F9B6A-45D1-49D7-8D7C-39B9516F246C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
341 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.143374 0.308479
51.143273 0.308712
51.142897 0.309551
51.142605 0.310237
51.142396 0.310755
51.142334 0.310924
51.142131 0.311471
51.141739 0.31261

Segment 3

11 coordinate pairs
Description
A21 southbound between A228 and B2160
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
A21
Linear Element Model
The Network Model
Linear Element Id
{B1055048-6391-450D-BE49-22535E15E1A0}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
537 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.141739 0.31261
51.141663 0.312835
51.141472 0.313454
51.141394 0.313708
51.141181 0.31444
51.140888 0.315627
51.140622 0.316814
51.140442 0.31772
51.14024 0.31884
51.140105 0.319748
51.140096 0.319806

Segment 4

2 coordinate pairs
Description
A21 southbound between A228 and B2160
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
A21
Linear Element Model
The Network Model
Linear Element Id
{8D496642-1E28-4EA9-81C0-2B13AD0CFE6C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
4 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.143396 0.308432
51.143374 0.308479

Segment 5

6 coordinate pairs
Description
A21 southbound within the A228 junction
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
A21
Linear Element Model
The Network Model
Linear Element Id
{A496DEFA-B5AF-4D14-BB65-B33F8A43FC58}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
160 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.144411 0.306638
51.144319 0.306762
51.143873 0.307498
51.14363 0.307943
51.14348 0.308265
51.143443 0.308334

Segment 6

2 coordinate pairs
Description
A21 southbound between A228 and B2160
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
A21
Linear Element Model
The Network Model
Linear Element Id
{C7EA5520-5291-4FB0-A7E7-2CC42F3B8B78}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
100 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.140096 0.319806
51.139898 0.321211

Segment 7

19 coordinate pairs
Description
A21 southbound between A26 near Tonbridge (east) and A228
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
A21
Linear Element Model
The Network Model
Linear Element Id
{6FF30500-1457-43C6-89E9-7BE44A35C459}
Linear Element Type
A Carriageway
From Distance
382 m
To Distance
1,027 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.149626 0.303038
51.149321 0.303074
51.148861 0.303182
51.1484 0.303316
51.147901 0.303522
51.147354 0.303811
51.147008 0.304022
51.146771 0.304168
51.146434 0.304408
51.146105 0.304678
51.146004 0.304773
51.145793 0.304963
51.145527 0.305235
51.145417 0.305359
51.145343 0.305441
51.145049 0.305783
51.144726 0.306211
51.144541 0.306444
51.144411 0.306638
Geometry type
MultiLineString
Geometry points
50
First coordinate pair
0.308334, 51.143443
Road section segments
1
Road section points
50
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.308334,
                51.143443
            ],
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                0.308432,
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            ],
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                0.308479,
                51.143374
            ],
            [
                0.308712,
                51.143273
            ],
            [
                0.309551,
                51.142897
            ],
            [
                0.310237,
                51.142605
            ],
            [
                0.310755,
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            ],
            [
                0.310924,
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            ],
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                0.311471,
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            ],
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                0.31261,
                51.141739
            ],
            [
                0.31261,
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            ],
            [
                0.312835,
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            ],
            [
                0.313454,
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            ],
            [
                0.313708,
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            ],
            [
                0.31444,
                51.141181
            ],
            [
                0.315627,
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            ],
            [
                0.316814,
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            ],
            [
                0.31772,
                51.140442
            ],
            [
                0.31884,
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            ],
            [
                0.319748,
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            ],
            [
                0.319806,
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            ],
            [
                0.308432,
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            ],
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                0.308479,
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            ],
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                0.306638,
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            ],
            [
                0.306762,
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            ],
            [
                0.307498,
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            ],
            [
                0.307943,
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            ],
            [
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            ],
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                0.308334,
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            ],
            [
                0.319806,
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            ],
            [
                0.321211,
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            ],
            [
                0.303038,
                51.149626
            ],
            [
                0.303074,
                51.149321
            ],
            [
                0.303182,
                51.148861
            ],
            [
                0.303316,
                51.1484
            ],
            [
                0.303522,
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            ],
            [
                0.303811,
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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                0.305359,
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            ],
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            ],
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                51.145049
            ],
            [
                0.306211,
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            ],
            [
                0.306444,
                51.144541
            ],
            [
                0.306638,
                51.144411
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            0.308334,
            51.143443
        ],
        [
            0.308432,
            51.143396
        ],
        [
            0.308479,
            51.143374
        ],
        [
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            51.143273
        ],
        [
            0.309551,
            51.142897
        ],
        [
            0.310237,
            51.142605
        ],
        [
            0.310755,
            51.142396
        ],
        [
            0.310924,
            51.142334
        ],
        [
            0.311471,
            51.142131
        ],
        [
            0.31261,
            51.141739
        ],
        [
            0.31261,
            51.141739
        ],
        [
            0.312835,
            51.141663
        ],
        [
            0.313454,
            51.141472
        ],
        [
            0.313708,
            51.141394
        ],
        [
            0.31444,
            51.141181
        ],
        [
            0.315627,
            51.140888
        ],
        [
            0.316814,
            51.140622
        ],
        [
            0.31772,
            51.140442
        ],
        [
            0.31884,
            51.14024
        ],
        [
            0.319748,
            51.140105
        ],
        [
            0.319806,
            51.140096
        ],
        [
            0.308432,
            51.143396
        ],
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            0.308479,
            51.143374
        ],
        [
            0.306638,
            51.144411
        ],
        [
            0.306762,
            51.144319
        ],
        [
            0.307498,
            51.143873
        ],
        [
            0.307943,
            51.14363
        ],
        [
            0.308265,
            51.14348
        ],
        [
            0.308334,
            51.143443
        ],
        [
            0.319806,
            51.140096
        ],
        [
            0.321211,
            51.139898
        ],
        [
            0.303038,
            51.149626
        ],
        [
            0.303074,
            51.149321
        ],
        [
            0.303182,
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        ],
        [
            0.303316,
            51.1484
        ],
        [
            0.303522,
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        ],
        [
            0.303811,
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        ],
        [
            0.304022,
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        ],
        [
            0.304168,
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        ],
        [
            0.304408,
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        ],
        [
            0.304678,
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        ],
        [
            0.304773,
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        ],
        [
            0.304963,
            51.145793
        ],
        [
            0.305235,
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        ],
        [
            0.305359,
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        ],
        [
            0.305441,
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        ],
        [
            0.305783,
            51.145049
        ],
        [
            0.306211,
            51.144726
        ],
        [
            0.306444,
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        ],
        [
            0.306638,
            51.144411
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed region label
Tonbridge
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Tue, Dec 9, 2025 4:48 PM
Record versioned
Tue, Dec 16, 2025 2:31 AM
Coordinate source
Geometry

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