A21 southbound lane 2 closure (31/2 to MP 34/9)
ClearedA21 southbound lane 2 closure (31/2 to MP 34/9)
- Start time
- Mon, Aug 17, 2026 7:00 PM
- Expected end
- Tue, Aug 18, 2026 5:00 AM
- Duration
- 1 hour 30 minutes 2 seconds
- Road
- A21 – A21 Southbound Between A25 And A225
- Category
- Road Maintenance
- Direction
- Southbound
- Carriageway
- Dual Carriageway
- Lanes affected
- Lane 2 closed
- Reason
- Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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Flood risk assessment
Planning history
EPC ratings & more
- First published
- Thu, Aug 13, 2026 6:16 AM
- Last updated
- Mon, Aug 17, 2026 7:55 PM
- Cleared
- Mon, Aug 17, 2026 8:30 PM
- Latest update: A21 southbound lane 2 closure (31/2 to MP 34/9)
- Coordinates
- 51.244328, 0.195841
- Latitude span
- 51.235403 – 51.254003
- Longitude span
- 0.174842 – 0.213101
- Bounding box centre
- 51.244703, 0.193972
- Location descriptions
-
- A21 southbound between A25 and A225
- A21 southbound within the A225 junction
- A21 southbound between A225 and A26 near Tonbridge (west)
- Feed validity status
- Planned
- Overall feed start
- Mon, Aug 17, 2026 7:00 PM
- Overall feed end
- Tue, Aug 18, 2026 5:00 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
21 coordinate pairs- Description
- A21 southbound between A25 and A225
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 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
- {273BDD6D-EA5C-406A-AB7F-26A8E4752C56}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 970 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.251282 0.177031 51.251017 0.177248 51.250634 0.177545 51.250433 0.177708 51.250223 0.177884 51.249848 0.178224 51.249536 0.178539 51.249215 0.178882 51.248957 0.179228 51.248726 0.179576 51.248484 0.17998 51.248428 0.180092 51.248307 0.180315 51.247933 0.181114 51.247546 0.182056 51.24743 0.182352 51.247121 0.183139 51.246933 0.183618 51.246781 0.184055 51.245874 0.186376 51.245599 0.187137
Segment 2
13 coordinate pairs- Description
- A21 southbound within the A225 junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 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
- {94EAE9C2-6E54-4372-B870-D20A69C2CE8C}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 305 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.242907 0.205506 51.242777 0.205701 51.242537 0.206062 51.242362 0.206283 51.242187 0.206489 51.241938 0.206778 51.241755 0.206984 51.241498 0.20723 51.241306 0.207407 51.241205 0.207503 51.24105 0.20761 51.240704 0.207865 51.24064 0.20792
Segment 3
6 coordinate pairs- Description
- A21 southbound between A25 and A225
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start2 End1
- Linear Element Road
- A21
- Linear Element Model
- The Network Model
- Linear Element Id
- {6A06C238-1D06-4AD1-82C2-1F3F7FA6FDFB}
- Linear Element Type
- A Carriageway
- From Distance
- 1,015 m
- To Distance
- 1,354 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.254003 0.174842 51.253903 0.174919 51.252895 0.175732 51.25172 0.176679 51.25141 0.176923 51.251282 0.177031
Segment 4
4 coordinate pairs- Description
- A21 southbound within the A225 junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 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
- {A3D3123F-1CF3-4812-891F-7F4117548754}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 124 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.24064 0.20792 51.240485 0.208043 51.239654 0.208703 51.239636 0.208703
Segment 5
22 coordinate pairs- Description
- A21 southbound between A25 and A225
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 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
- {2212B714-ED5D-4B2B-932C-B51456BA1F10}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 849 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.245599 0.187137 51.245551 0.187278 51.245332 0.187955 51.245235 0.188294 51.245062 0.188917 51.244855 0.189867 51.244775 0.190293 51.244714 0.190677 51.244611 0.191388 51.244523 0.192258 51.24447 0.192671 51.244468 0.192771 51.244456 0.192914 51.244441 0.193272 51.244416 0.194102 51.244416 0.194245 51.244414 0.194718 51.244451 0.196081 51.244461 0.196525 51.244484 0.1972 51.244503 0.198576 51.244496 0.198972
Segment 6
3 coordinate pairs- Description
- A21 southbound between A225 and A26 near Tonbridge (west)
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 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
- {86D02D62-840A-4C55-BDF5-A047D82E5EF8}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 51 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.235784 0.212673 51.23559 0.212907 51.235403 0.213101
Segment 7
10 coordinate pairs- Description
- A21 southbound within the A225 junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 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
- {CD235FE9-1B89-4221-9F73-77CDE500C386}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 511 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.239636 0.208703 51.239389 0.208898 51.239243 0.209013 51.238741 0.209433 51.238283 0.20987 51.237907 0.210239 51.237283 0.210896 51.236676 0.211598 51.235857 0.212576 51.235784 0.212673
Segment 8
10 coordinate pairs- Description
- A21 southbound between A25 and A225
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 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
- {B42E6A5C-E2F2-4D9F-809E-C5E8AE625855}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 295 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.244235 0.20188 51.244194 0.202076 51.244096 0.202554 51.24395 0.203106 51.243789 0.203571 51.243656 0.203923 51.243476 0.204387 51.243223 0.204934 51.243158 0.20506 51.242907 0.205506
Segment 9
9 coordinate pairs- Description
- A21 southbound between A25 and A225
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl2
- Lane Number
- 2
- Lane Status
- Closed
- Lane Direction
- Aligned
- Lanes Restricted
- 0 lanes restricted
- Operational Lanes
- 2 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
- {ABF05885-2CE4-4245-BD2B-8C1F0365B0A9}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 205 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.244496 0.198972 51.244496 0.198977 51.24445 0.199978 51.244434 0.200335 51.244389 0.20082 51.244317 0.201318 51.244273 0.201717 51.244254 0.201788 51.244235 0.20188
- Geometry type
- MultiLineString
- Geometry points
- 98
- First coordinate pair
- 0.177031, 51.251282
- Road section segments
- 1
- Road section points
- 98
View geometry JSON
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View road section coordinates
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- 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
- Thu, Aug 13, 2026 6:16 AM
- Record versioned
- Mon, Aug 17, 2026 7:55 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 (31/2 to MP 34/9)
Active Roadworks National Highways
Dunton Green
A21 · A21 Southbound Between A25 And A225
Expected to clear in 7 hours 10 minutes
Started 17 Aug 2026, 19:42
Expected clear 18 Aug 2026, 05:00
A21 southbound lane 2 closure (31/2 to MP 34/9)
Category: Road Maintenance
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A21 southbound lane 1 closure (37/6A to 38/3A)
Active Roadworks National Highways
Maidstone West
A21 · A21 Southbound Between A225 And A26 Near Tonbridge (West)
Expected to clear in 7 hours 10 minutes
Started 17 Aug 2026, 18:46
Expected clear 18 Aug 2026, 05:00
A21 southbound lane 1 closure (37/6A to 38/3A)
Category: Road Maintenance
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M25 Clockwise Jct 2 to Jct 3 carriageway closure
Cleared Roadworks National Highways
Dunton Green
M25 · M20 Eastbound Between J1 And J2
Cleared 49 minutes 54 seconds ago
Started 17 Aug 2026, 21:00
Ended 17 Aug 2026, 21:00
M25 Clockwise Jct 2 to Jct 3 carriageway closure
Category: Road Maintenance
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A21 southbound lane 1 closure (37/6A to 38/3A)
Cleared Roadworks National Highways
Maidstone West
A21 · A21 Southbound Between A225 And A26 Near Tonbridge (West)
Cleared 2 hours 49 minutes ago
Started 17 Aug 2026, 19:00
Ended 17 Aug 2026, 19:00
A21 southbound lane 1 closure (37/6A to 38/3A)
Category: Road Maintenance
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A21 southbound Sevenoaks exit slip road closure
Cleared Roadworks National Highways
Dunton Green
A21 · A21 Southbound Exit For A25 West
Cleared 16 hours 49 minutes ago
Started 14 Aug 2026, 19:00
Ended 17 Aug 2026, 05:00
A21 southbound Sevenoaks exit slip road closure
Category: Road Maintenance
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A21 southbound lane 2 closure (31/2a to 32/8a)
Cleared Roadworks National Highways
Dunton Green
A21 · A21 Southbound Between A25 And A225
Cleared 4 days 2 hours ago
Started 13 Aug 2026, 19:00
Ended 13 Aug 2026, 19:35
A21 southbound lane 2 closure (31/2a to 32/8a)
Category: Road Maintenance
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