Crash View

A21 northbound lane 1 closure (48/4B to 47/1)

Planned

A21 northbound lane 1 closure (48/4B to 47/1)

Start time
Fri, Mar 20, 2026 8:00 PM
Expected end
Sat, Mar 21, 2026 6:00 AM
Duration
10 hours
Road
A21 – A21 Northbound Between A228 And A26 Near Tonbridge (East)
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 closed, 1 of 1 lanes affected
Reason
Repair Work
Active
Planned
Cleared
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First published
Wed, Mar 11, 2026 9:46 AM
Last updated
Fri, Mar 20, 2026 8:28 PM
Cleared
Sat, Mar 21, 2026 6:00 AM
  • Latest update: A21 northbound lane 1 closure (48/4B to 47/1)
Coordinates
51.153062, 0.303375
Latitude span
51.147118 – 51.160273
Longitude span
0.302844 – 0.305510
Bounding box centre
51.153696, 0.304177
Location descriptions
  • A21 northbound between A228 and A26 near Tonbridge (east)
  • A21 northbound at a minor junction between A228 and A26 near Tonbridge (east)
Feed validity status
Planned
Overall feed start
Fri, Mar 20, 2026 8:00 PM
Overall feed end
Sat, Mar 21, 2026 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

4 coordinate pairs
Description
A21 northbound between A228 and A26 near Tonbridge (east)
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
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{A437C18E-0955-49E4-8FDD-214C20E1ABCE}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
182 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.158792 0.304399
51.159614 0.305049
51.160021 0.305366
51.160273 0.30551

Segment 2

5 coordinate pairs
Description
A21 northbound between A228 and A26 near Tonbridge (east)
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
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{7EB684FD-E5D8-4BAF-824A-F0D090D61118}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
121 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.149061 0.302978
51.149358 0.302919
51.150103 0.302853
51.150107 0.302853
51.150152 0.302852

Segment 3

7 coordinate pairs
Description
A21 northbound between A228 and A26 near Tonbridge (east)
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
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{BC21A641-55A0-4055-9E53-04EEDA0A6783}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
321 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.150152 0.302852
51.150504 0.302844
51.15082 0.302844
51.151401 0.302906
51.152073 0.302984
51.152316 0.303016
51.15304 0.30304

Segment 4

8 coordinate pairs
Description
A21 northbound between A228 and A26 near Tonbridge (east)
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
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{CB362449-DE5C-4A80-A266-24DB5C050710}
Linear Element Type
B Carriageway
From Distance
361 m
To Distance
585 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.147118 0.303783
51.147294 0.303679
51.147676 0.303469
51.147803 0.303404
51.148236 0.303209
51.148471 0.30313
51.148716 0.303048
51.149061 0.302978

Segment 5

6 coordinate pairs
Description
A21 northbound at a minor junction between A228 and A26 near Tonbridge (east)
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
North Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{1A9D337E-B4B3-44B7-A9C0-74032BDA9C59}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
275 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.156421 0.30328
51.156693 0.303367
51.157146 0.303549
51.157487 0.3037
51.157812 0.303849
51.158792 0.304399

Segment 6

10 coordinate pairs
Description
A21 northbound at a minor junction between A228 and A26 near Tonbridge (east)
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
North Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{7E73A1A0-7B9D-4E96-A0E0-B27DD2216538}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
377 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.15304 0.30304
51.153085 0.303041
51.153518 0.303055
51.154146 0.303061
51.154505 0.303057
51.154823 0.303054
51.155163 0.303063
51.155459 0.303084
51.15581 0.303142
51.156421 0.30328
Geometry type
MultiLineString
Geometry points
40
First coordinate pair
0.304399, 51.158792
Road section segments
1
Road section points
40
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.304399,
                51.158792
            ],
            [
                0.305049,
                51.159614
            ],
            [
                0.305366,
                51.160021
            ],
            [
                0.30551,
                51.160273
            ],
            [
                0.302978,
                51.149061
            ],
            [
                0.302919,
                51.149358
            ],
            [
                0.302853,
                51.150103
            ],
            [
                0.302853,
                51.150107
            ],
            [
                0.302852,
                51.150152
            ],
            [
                0.302852,
                51.150152
            ],
            [
                0.302844,
                51.150504
            ],
            [
                0.302844,
                51.15082
            ],
            [
                0.302906,
                51.151401
            ],
            [
                0.302984,
                51.152073
            ],
            [
                0.303016,
                51.152316
            ],
            [
                0.30304,
                51.15304
            ],
            [
                0.303783,
                51.147118
            ],
            [
                0.303679,
                51.147294
            ],
            [
                0.303469,
                51.147676
            ],
            [
                0.303404,
                51.147803
            ],
            [
                0.303209,
                51.148236
            ],
            [
                0.30313,
                51.148471
            ],
            [
                0.303048,
                51.148716
            ],
            [
                0.302978,
                51.149061
            ],
            [
                0.30328,
                51.156421
            ],
            [
                0.303367,
                51.156693
            ],
            [
                0.303549,
                51.157146
            ],
            [
                0.3037,
                51.157487
            ],
            [
                0.303849,
                51.157812
            ],
            [
                0.304399,
                51.158792
            ],
            [
                0.30304,
                51.15304
            ],
            [
                0.303041,
                51.153085
            ],
            [
                0.303055,
                51.153518
            ],
            [
                0.303061,
                51.154146
            ],
            [
                0.303057,
                51.154505
            ],
            [
                0.303054,
                51.154823
            ],
            [
                0.303063,
                51.155163
            ],
            [
                0.303084,
                51.155459
            ],
            [
                0.303142,
                51.15581
            ],
            [
                0.30328,
                51.156421
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            0.304399,
            51.158792
        ],
        [
            0.305049,
            51.159614
        ],
        [
            0.305366,
            51.160021
        ],
        [
            0.30551,
            51.160273
        ],
        [
            0.302978,
            51.149061
        ],
        [
            0.302919,
            51.149358
        ],
        [
            0.302853,
            51.150103
        ],
        [
            0.302853,
            51.150107
        ],
        [
            0.302852,
            51.150152
        ],
        [
            0.302852,
            51.150152
        ],
        [
            0.302844,
            51.150504
        ],
        [
            0.302844,
            51.15082
        ],
        [
            0.302906,
            51.151401
        ],
        [
            0.302984,
            51.152073
        ],
        [
            0.303016,
            51.152316
        ],
        [
            0.30304,
            51.15304
        ],
        [
            0.303783,
            51.147118
        ],
        [
            0.303679,
            51.147294
        ],
        [
            0.303469,
            51.147676
        ],
        [
            0.303404,
            51.147803
        ],
        [
            0.303209,
            51.148236
        ],
        [
            0.30313,
            51.148471
        ],
        [
            0.303048,
            51.148716
        ],
        [
            0.302978,
            51.149061
        ],
        [
            0.30328,
            51.156421
        ],
        [
            0.303367,
            51.156693
        ],
        [
            0.303549,
            51.157146
        ],
        [
            0.3037,
            51.157487
        ],
        [
            0.303849,
            51.157812
        ],
        [
            0.304399,
            51.158792
        ],
        [
            0.30304,
            51.15304
        ],
        [
            0.303041,
            51.153085
        ],
        [
            0.303055,
            51.153518
        ],
        [
            0.303061,
            51.154146
        ],
        [
            0.303057,
            51.154505
        ],
        [
            0.303054,
            51.154823
        ],
        [
            0.303063,
            51.155163
        ],
        [
            0.303084,
            51.155459
        ],
        [
            0.303142,
            51.15581
        ],
        [
            0.30328,
            51.156421
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Repair 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
Wed, Mar 11, 2026 9:46 AM
Record versioned
Fri, Mar 20, 2026 8:28 PM
Coordinate source
Geometry

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