Crash View

A21 southbound lane 2 closure (29/0 to 33/0)

Planned

A21 southbound lane 2 closure (29/0 to 33/0)

Start time
Fri, Mar 20, 2026 8:15 PM
Expected end
Sat, Mar 21, 2026 5:00 AM
Duration
8 hours 45 minutes
Road
A21 – A21 Southbound Between A25 And A225
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 closed
Reason
Maintenance Work
Active
Planned
Cleared
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First published
Thu, Mar 19, 2026 10:34 AM
Last updated
Sat, Mar 21, 2026 4:42 AM
Cleared
Sat, Mar 21, 2026 5:00 AM
  • Latest update: A21 southbound lane 2 closure (29/0 to 33/0)
Coordinates
51.255646, 0.176611
Latitude span
51.244438 – 51.271472
Longitude span
0.162197 – 0.193375
Bounding box centre
51.257955, 0.177786
Location descriptions
  • A21 southbound between A25 and A225
Feed validity status
Planned
Overall feed start
Fri, Mar 20, 2026 8:15 PM
Overall feed end
Sat, Mar 21, 2026 5:00 AM
Feed window length
8 hours 45 minutes
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

2 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
{E657215B-7B40-4E8B-B968-15665C649A6C}
Linear Element Type
A Carriageway
From Distance
371 m
To Distance
414 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.271472 0.162197
51.271173 0.162603

Segment 3

15 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
458 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
51.244438 0.193375

Segment 4

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
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
0 m
To Distance
1,354 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.262751 0.171123
51.261613 0.171342
51.260882 0.171493
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 5

18 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 End2
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{1C2A348E-F656-4B2A-A244-8030932FD64C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
746 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.268563 0.166208
51.267509 0.167649
51.267104 0.168189
51.266745 0.168645
51.266497 0.16892
51.266322 0.169112
51.266157 0.169291
51.265974 0.169469
51.265773 0.169631
51.265572 0.169808
51.265134 0.170146
51.265025 0.170212
51.264743 0.170385
51.26418 0.170674
51.263627 0.170892
51.263012 0.171078
51.26294 0.17109
51.262751 0.171123

Segment 6

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
Start1 End2
Linear Element Road
A21
Linear Element Model
The Network Model
Linear Element Id
{50478E88-ED41-407A-B8BF-F1CA01F67BD7}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
384 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.271173 0.162603
51.270721 0.163241
51.269835 0.164461
51.269622 0.164752
51.268838 0.165833
51.268563 0.166208
Geometry type
MultiLineString
Geometry points
83
First coordinate pair
0.177031, 51.251282
Road section segments
1
Road section points
83
View geometry JSON 
{
    "type": "MultiLineString",
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            ],
            [
                0.177708,
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            ],
            [
                0.177884,
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            ],
            [
                0.178224,
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            ],
            [
                0.178539,
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            [
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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 provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Mar 19, 2026 10:34 AM
Record versioned
Sat, Mar 21, 2026 4:42 AM
Coordinate source
Geometry

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