Crash View

A21 southbound lane 1 closure (30/4 34/3 )

Cleared

A21 southbound lane 1 closure (30/4 34/3 )

Start time
Fri, Jul 17, 2026 6:42 PM
Expected end
Sat, Jul 18, 2026 5:00 AM
Duration
9 hours 43 minutes 1 second
Road
A21 – A21 Southbound Between A25 And A225
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
Lane 1 closed, 1 of 1 lanes affected
Reason
Tree And Vegetation Cutting Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Fri, Jul 17, 2026 6:42 PM
Last updated
Sat, Jul 18, 2026 4:01 AM
Cleared
Sat, Jul 18, 2026 4:25 AM
  • Latest update: A21 southbound lane 1 closure (30/4 34/3 )
Coordinates
51.247079, 0.190569
Latitude span
51.240254 – 51.260821
Longitude span
0.171509 – 0.208226
Bounding box centre
51.250538, 0.189868
Location descriptions
  • A21 southbound between A25 and A225
  • A21 southbound within the A225 junction
Feed validity status
Active
Overall feed start
Fri, Jul 17, 2026 6:42 PM
Overall feed end
Sat, Jul 18, 2026 5:00 AM
Feed window length
10 hours 18 minutes
Probability code (raw)
certain
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

19 coordinate pairs
Description
A21 southbound between A25 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
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
216 m
To Distance
1,354 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.260821 0.171509
51.259223 0.171904
51.258774 0.172033
51.258553 0.172115
51.258242 0.172236
51.257887 0.172375
51.257055 0.172718
51.256737 0.172875
51.25661 0.172949
51.25601 0.173299
51.255974 0.173326
51.255481 0.173675
51.255153 0.173932
51.254569 0.174406
51.253903 0.174919
51.252895 0.175732
51.25172 0.176679
51.25141 0.176923
51.251282 0.177031

Segment 2

21 coordinate pairs
Description
A21 southbound between A25 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
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 3

13 coordinate pairs
Description
A21 southbound within the A225 junction
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
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 4

9 coordinate pairs
Description
A21 southbound between A25 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
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

Segment 5

22 coordinate pairs
Description
A21 southbound between A25 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
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

10 coordinate pairs
Description
A21 southbound between A25 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
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 7

3 coordinate pairs
Description
A21 southbound within the A225 junction
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
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
47 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.24064 0.20792
51.240485 0.208043
51.240254 0.208226
Geometry type
MultiLineString
Geometry points
97
First coordinate pair
0.171509, 51.260821
Road section segments
1
Road section points
97
View geometry JSON 
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View road section coordinates 
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]
Cause type
Road Maintenance
Detailed cause
Tree And Vegetation Cutting Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
3
Record created
Fri, Jul 17, 2026 6:42 PM
Record versioned
Sat, Jul 18, 2026 4:01 AM
Coordinate source
Geometry

Driving on the A21? See every live closure, roadwork and planned restriction on this road.

A21 live closures

Related incidents

M25 Anti-Clockwise Jct 4 to Jct 3 Lane 1,2 Closure

Cleared Roadworks National Highways
Dunton Green M25 · M25 Anti-Clockwise Within J3 Before A20 Roundabout Access

Cleared 2 days 20 hours ago

Started 30 Jul 2026, 21:00 Ended 31 Jul 2026, 00:10

M25 Anti-Clockwise Jct 4 to Jct 3 Lane 1,2 Closure

Category: Road Maintenance
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M25 Anti-clockwise Jct 4 to Jct 3 lane 1,2 closure

Cleared Roadworks National Highways
Dunton Green M25 · M25 Anti-Clockwise Within J3 Before A20 Roundabout Access

Cleared 3 days 17 hours ago

Started 29 Jul 2026, 21:00 Ended 30 Jul 2026, 02:15

M25 Anti-clockwise Jct 4 to Jct 3 lane 1,2 closure

Category: Road Maintenance
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M25 Anti-clockwise Jct 6 to Jct 5 lane 1,2 closure

Cleared Roadworks National Highways
Dunton Green M25 · M25 Anti-Clockwise Between J5 And J4

Cleared 4 days 17 hours ago

Started 28 Jul 2026, 21:00 Ended 29 Jul 2026, 02:30

M25 Anti-clockwise Jct 6 to Jct 5 lane 1,2 closure

Category: Road Maintenance
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M25 Anti-clockwise Jct 4 to Jct 3 lane 1,2 closure

Cleared Roadworks National Highways
Dunton Green M25 · M25 Anti-Clockwise Within J3 Before A20 Roundabout Access

Cleared 5 days 17 hours ago

Started 27 Jul 2026, 21:00 Ended 28 Jul 2026, 02:40

M25 Anti-clockwise Jct 4 to Jct 3 lane 1,2 closure

Category: Road Maintenance
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A21 southbound lane 1 closure (34/4a to 35/8a)

Cleared Roadworks National Highways
Maidstone West A21 · A21 Southbound Between A225 And A26 Near Tonbridge (West)

Cleared 5 days 16 hours ago

Started 27 Jul 2026, 19:00 Ended 28 Jul 2026, 04:00

A21 southbound lane 1 closure (34/4a to 35/8a)

Category: Road Maintenance
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A21 southbound Westerham to Morleys carriageway closure

Cleared Roadworks National Highways
Dunton Green A21 · A21 Southbound Within The M25/A25 Junction Before Exit For A25 West

Cleared 1 week 1 day ago

Started 24 Jul 2026, 21:00 Ended 24 Jul 2026, 21:25

A21 southbound Westerham to Morleys carriageway closure

Category: Construction Work
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