A21 northbound layby closure

Planned

A21 northbound layby closure

Start time
Mon, Nov 17, 2025 8:00 PM
Expected end
Tue, Nov 18, 2025 6:00 AM
Duration
10 hours
Road
A21 – A21 Northbound Between A26 Near Tonbridge (West) And A225
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Lanes affected
Lane 1 closed, 1 of 1 lanes affected
Reason
Maintenance Work
Active
Planned
Cleared
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First published
Mon, Oct 27, 2025 12:22 PM
Last updated
Mon, Nov 17, 2025 6:56 PM
Cleared
Tue, Nov 18, 2025 6:00 AM
  • Latest update: A21 northbound layby closure
Coordinates
51.202744, 0.228735
Latitude span
51.201008 – 51.204672
Longitude span
0.227774 – 0.229600
Bounding box centre
51.202840, 0.228687
Location descriptions
  • A21 northbound between A26 near Tonbridge (west) and A225
Feed validity status
Planned
Overall feed start
Mon, Nov 17, 2025 8:00 PM
Overall feed end
Tue, Nov 18, 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 northbound between A26 near Tonbridge (west) and A225
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
North Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{A57F85C0-EE82-465A-98C9-88D22619E31A}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
91 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.203887 0.228166
51.204672 0.227774

Segment 2

2 coordinate pairs
Description
A21 northbound between A26 near Tonbridge (west) and A225
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
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{7BB08261-93BE-45A8-BE9C-489D503968C9}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
277 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.201505 0.229352
51.203887 0.228166

Segment 3

2 coordinate pairs
Description
A21 northbound between A26 near Tonbridge (west) and A225
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
North Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{E12EA67B-A97C-460B-AA59-99FC1A72535F}
Linear Element Type
B Carriageway
From Distance
580 m
To Distance
638 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.201008 0.2296
51.201505 0.229352
Geometry type
MultiLineString
Geometry points
6
First coordinate pair
0.228166, 51.203887
Road section segments
1
Road section points
6
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.228166,
                51.203887
            ],
            [
                0.227774,
                51.204672
            ],
            [
                0.229352,
                51.201505
            ],
            [
                0.228166,
                51.203887
            ],
            [
                0.2296,
                51.201008
            ],
            [
                0.229352,
                51.201505
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            0.228166,
            51.203887
        ],
        [
            0.227774,
            51.204672
        ],
        [
            0.229352,
            51.201505
        ],
        [
            0.228166,
            51.203887
        ],
        [
            0.2296,
            51.201008
        ],
        [
            0.229352,
            51.201505
        ]
    ]
]
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
Mon, Oct 27, 2025 12:22 PM
Record versioned
Mon, Nov 17, 2025 6:56 PM
Coordinate source
Geometry

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