A21 southbound Sevenoaks exit slip road closure

Planned

A21 southbound Sevenoaks exit slip road closure

Start time
Tue, May 19, 2026 7:00 PM
Expected end
Wed, May 20, 2026 5:00 AM
Duration
10 hours
Road
A21 – A21 Southbound Within The M25/A25 Junction Before Exit For A25 West
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Reason
Roadworks
Active
Planned
Cleared
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First published
Tue, May 19, 2026 3:54 AM
Last updated
Tue, May 19, 2026 6:06 PM
Cleared
Wed, May 20, 2026 5:00 AM
  • Latest update: A21 southbound Sevenoaks exit slip road closure
Coordinates
51.280052, 0.151100
Latitude span
51.279788 – 51.281123
Longitude span
0.149131 – 0.152049
Bounding box centre
51.280456, 0.150590
Location descriptions
  • A21 southbound within the M25/A25 junction before exit for A25 west
  • A21 southbound exit for A25 west
Feed validity status
Planned
Overall feed start
Tue, May 19, 2026 7:00 PM
Overall feed end
Wed, May 20, 2026 5:00 AM
Feed window length
10 hours
Probability code (raw)
probable
Compliance option (raw)
mandatory
Source identification (raw)
roadworks
Management type value
carriagewayClosures (Carriageway Closures)
Contra-flow flag (raw)
false
Width restriction flag (raw)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

5 coordinate pairs
Description
A21 southbound within the M25/A25 junction before exit for A25 west
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{454C8776-8109-4914-AD86-7C9E58D5CC94}
Linear Element Type
A Carriageway
From Distance
32 m
To Distance
181 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.281123 0.149131
51.280932 0.149381
51.280536 0.149865
51.280085 0.150446
51.280075 0.15046

Segment 2

19 coordinate pairs
Description
A21 southbound exit for A25 west
Lanes Restricted
1 lane restricted
Operational Lanes
0 operational lanes
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
{32DA6F8B-D677-43F4-848D-D9A3D034EFF7}
Linear Element Type
A Carriageway Exit Slip
From Distance
0 m
To Distance
137 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.280075 0.15046
51.279982 0.150656
51.279917 0.150782
51.279879 0.150866
51.279832 0.150993
51.279812 0.151064
51.279802 0.151135
51.279791 0.151264
51.279789 0.15135
51.279788 0.151436
51.279821 0.151595
51.279837 0.151682
51.279871 0.151769
51.279941 0.151902
51.279985 0.151975
51.280075 0.152041
51.280085 0.152049
51.280091 0.152048
51.280111 0.152047
Geometry type
MultiLineString
Geometry points
24
First coordinate pair
0.149131, 51.281123
Road section segments
1
Road section points
24
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.149131,
                51.281123
            ],
            [
                0.149381,
                51.280932
            ],
            [
                0.149865,
                51.280536
            ],
            [
                0.150446,
                51.280085
            ],
            [
                0.15046,
                51.280075
            ],
            [
                0.15046,
                51.280075
            ],
            [
                0.150656,
                51.279982
            ],
            [
                0.150782,
                51.279917
            ],
            [
                0.150866,
                51.279879
            ],
            [
                0.150993,
                51.279832
            ],
            [
                0.151064,
                51.279812
            ],
            [
                0.151135,
                51.279802
            ],
            [
                0.151264,
                51.279791
            ],
            [
                0.15135,
                51.279789
            ],
            [
                0.151436,
                51.279788
            ],
            [
                0.151595,
                51.279821
            ],
            [
                0.151682,
                51.279837
            ],
            [
                0.151769,
                51.279871
            ],
            [
                0.151902,
                51.279941
            ],
            [
                0.151975,
                51.279985
            ],
            [
                0.152041,
                51.280075
            ],
            [
                0.152049,
                51.280085
            ],
            [
                0.152048,
                51.280091
            ],
            [
                0.152047,
                51.280111
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            0.149131,
            51.281123
        ],
        [
            0.149381,
            51.280932
        ],
        [
            0.149865,
            51.280536
        ],
        [
            0.150446,
            51.280085
        ],
        [
            0.15046,
            51.280075
        ],
        [
            0.15046,
            51.280075
        ],
        [
            0.150656,
            51.279982
        ],
        [
            0.150782,
            51.279917
        ],
        [
            0.150866,
            51.279879
        ],
        [
            0.150993,
            51.279832
        ],
        [
            0.151064,
            51.279812
        ],
        [
            0.151135,
            51.279802
        ],
        [
            0.151264,
            51.279791
        ],
        [
            0.15135,
            51.279789
        ],
        [
            0.151436,
            51.279788
        ],
        [
            0.151595,
            51.279821
        ],
        [
            0.151682,
            51.279837
        ],
        [
            0.151769,
            51.279871
        ],
        [
            0.151902,
            51.279941
        ],
        [
            0.151975,
            51.279985
        ],
        [
            0.152041,
            51.280075
        ],
        [
            0.152049,
            51.280085
        ],
        [
            0.152048,
            51.280091
        ],
        [
            0.152047,
            51.280111
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Tue, May 19, 2026 3:54 AM
Record versioned
Tue, May 19, 2026 6:06 PM
Coordinate source
Geometry

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