A21 southbound Sevenoaks exit slip road closure
PlannedA21 southbound Sevenoaks exit slip road closure
- Start time
- Fri, Aug 7, 2026 7:00 PM
- Expected end
- Mon, Aug 10, 2026 5:00 AM
- Duration
- 2 days 10 hours
- Road
- A21 – A21 Southbound Exit For A25 West
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- Reason
- Roadworks
Move Insights
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- First published
- Fri, Mar 20, 2026 1:16 PM
- Last updated
- Thu, Aug 6, 2026 11:55 PM
- Cleared
- Mon, Aug 10, 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 exit for A25 west
- A21 southbound within the M25/A25 junction before exit for A25 west
- Feed validity status
- Planned
- Overall feed start
- Fri, Aug 7, 2026 7:00 PM
- Overall feed end
- Mon, Aug 10, 2026 5:00 AM
- Feed window length
- 2 days 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
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
Segment 2
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
- Geometry type
- MultiLineString
- Geometry points
- 24
- First coordinate pair
- 0.150460, 51.280075
- Road section segments
- 1
- Road section points
- 24
View geometry JSON
{
"type": "MultiLineString",
"coordinates": [
[
[
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
],
[
0.149131,
51.281123
],
[
0.149381,
51.280932
],
[
0.149865,
51.280536
],
[
0.150446,
51.280085
],
[
0.15046,
51.280075
]
]
]
}
View road section coordinates
[
[
[
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
],
[
0.149131,
51.281123
],
[
0.149381,
51.280932
],
[
0.149865,
51.280536
],
[
0.150446,
51.280085
],
[
0.15046,
51.280075
]
]
]
- 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
- Fri, Mar 20, 2026 1:16 PM
- Record versioned
- Thu, Aug 6, 2026 11:55 PM
- Coordinate source
- Geometry
Driving on the A21? See every live closure, roadwork and planned restriction on this road.
A21 live closuresRelated incidents
A21 southbound lane 2 closure (24/2 to 29/0)
Active Roadworks National HighwaysExpected to clear in 3 hours 12 minutes
A21 southbound lane 2 closure (24/2 to 29/0)
A21 southbound lane 2 closure (24/2 to 29/0)
Cleared Roadworks National HighwaysCleared 3 hours 47 minutes ago
A21 southbound lane 2 closure (24/2 to 29/0)
M25 Clockwise Jct 4 exit slip road lane 1 closure
Cleared Roadworks National HighwaysCleared 1 day 3 hours ago
M25 Clockwise Jct 4 exit slip road lane 1 closure
A21 southbound lane 2 closure ( 29/5a to 30/4a)
Cleared Roadworks National HighwaysCleared 2 days 20 hours ago
A21 southbound lane 2 closure ( 29/5a to 30/4a)
M25 Anti-Clockwise Jct 4 to Jct 3 Lane 1,2 Closure
Cleared Roadworks National HighwaysCleared 1 week 37 minutes ago
M25 Anti-Clockwise Jct 4 to Jct 3 Lane 1,2 Closure
M25 Anti-clockwise Jct 4 to Jct 3 lane 1,2 closure
Cleared Roadworks National HighwaysCleared 1 week 22 hours ago
M25 Anti-clockwise Jct 4 to Jct 3 lane 1,2 closure