A21 southbound lane 1 closure with width and speed restriction (34/4 to 36/4)

Planned

Start time: Mon, Sep 22, 2025 7:00 PM
Expected end: Fri, Nov 14, 2025 6:00 AM
Duration: 1 month 3 weeks 1 day
Road: A21 – A21 Southbound Between A225 And A26 Near Tonbridge (West)
Category: Construction Work
Direction: Southbound
Carriageway: Dual Carriageway
Lanes affected: Lane 1 closed, 1 of 1 lanes affected
Reason: Road Improvement Or Upgrading

Active

Planned

Cleared

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First published: Tue, Apr 29, 2025 7:17 AM
Last updated: Wed, Nov 12, 2025 7:12 AM
Cleared: Fri, Nov 14, 2025 6:00 AM

Latest update: A21 southbound lane 1 closure with width and speed restriction (34/4 to 36/4)

Coordinates: 51.232087, 0.215793
Latitude span: 51.223437 – 51.239183
Longitude span: 0.209064 – 0.222155
Bounding box centre: 51.231310, 0.215610
Location descriptions: A21 southbound between A225 and A26 near Tonbridge (west)

A21 southbound within the A225 junction

Feed validity status: Planned
Overall feed start: Mon, Sep 22, 2025 7:00 PM
Overall feed end: Fri, Nov 14, 2025 6:00 AM
Feed window length: 1 month 3 weeks 1 day
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): true
Height restriction flag (raw): false
Weight restriction flag (raw): false

Segment 1

8 coordinate pairs

Description: A21 southbound between A225 and A26 near Tonbridge (west)
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: {86D02D62-840A-4C55-BDF5-A047D82E5EF8}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 441 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.235784 0.212673
51.23559 0.212907
51.234875 0.213646
51.234774 0.213756
51.234242 0.214275
51.233409 0.21508
51.23253 0.215911
51.232411 0.216006

Segment 2

15 coordinate pairs

Description: A21 southbound between A225 and A26 near Tonbridge (west)
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: {82A5B385-FD33-4AF1-B895-767034EEFD14}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 1,089 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.232411 0.216006
51.232036 0.216346
51.231743 0.21659
51.230665 0.217512
51.229916 0.218121
51.229286 0.218592
51.22873 0.218995
51.228128 0.219424
51.227325 0.219975
51.227292 0.219995
51.226242 0.220686
51.22525 0.221261
51.224799 0.221462
51.224093 0.221844
51.223437 0.222155

Segment 3

8 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: {CD235FE9-1B89-4221-9F73-77CDE500C386}
Linear Element Type: A Carriageway
From Distance: 56 m
To Distance: 511 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.239183 0.209064
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

Geometry type: MultiLineString
Geometry points: 31
First coordinate pair: 0.212673, 51.235784
Road section segments: 1
Road section points: 31

View geometry JSON

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}

View road section coordinates

Cause type: Construction Work
Detailed cause: Road Improvement Or Upgrading
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other
Restrictions in effect: Width restriction
Feed region label: Tonbridge