A21 southbound Sevenoaks exit slip road closure

Cleared

Start time: Thu, May 21, 2026 7:00 PM
Expected end: Fri, May 22, 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

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, May 21, 2026 12:51 AM
Last updated: Fri, May 22, 2026 4:31 AM
Cleared: Fri, May 22, 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: Thu, May 21, 2026 7:00 PM
Overall feed end: Fri, May 22, 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": [
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                0.149131,
                51.281123
            ],
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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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            [
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            ],
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            ],
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            [
                0.152049,
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            ],
            [
                0.152048,
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            ],
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}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Roadworks
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures