A12 northbound Jct 23 to Jct 29 mobile lane closure

Planned

Start time: Mon, Oct 12, 2026 8:00 PM
Expected end: Tue, Oct 13, 2026 4:00 AM
Duration: 8 hours
Road: A12 – A12 Northbound Between B1024 Near Kelvedon (North) And A120 Near Colchester (West)
Category: Road Maintenance
Direction: Northbound
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

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First published: Thu, Sep 17, 2026 8:43 AM
Last updated: Mon, Oct 12, 2026 1:23 PM
Cleared: Tue, Oct 13, 2026 4:00 AM

Latest update: A12 northbound Jct 23 to Jct 29 mobile lane closure

Coordinates: 51.854348, 0.735374
Latitude span: 51.851339 – 51.856787
Longitude span: 0.729335 – 0.740244
Bounding box centre: 51.854063, 0.734790
Location descriptions: A12 northbound between B1024 near Kelvedon (north) and A120 near Colchester (west)

Feed validity status: Planned
Overall feed start: Mon, Oct 12, 2026 8:00 PM
Overall feed end: Tue, Oct 13, 2026 4:00 AM
Feed window length: 8 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

4 coordinate pairs

Description: A12 northbound between B1024 near Kelvedon (north) and A120 near Colchester (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: North Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {BC4EE8C8-19FD-4207-9B18-1D7803A8CBD1}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 216 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.8533 0.733241
51.853733 0.734069
51.853945 0.734474
51.854538 0.735672

Segment 2

2 coordinate pairs

Description: A12 northbound between B1024 near Kelvedon (north) and A120 near Colchester (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: North Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {22AA4047-FA9B-44F9-8B14-DE3638B7F182}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 99 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.852723 0.73214
51.8533 0.733241

Segment 3

9 coordinate pairs

Description: A12 northbound between B1024 near Kelvedon (north) and A120 near Colchester (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: North Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {752CD8ED-80FB-43EC-AEE6-BB9FD22AE319}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 402 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.854538 0.735672
51.854924 0.736479
51.855309 0.737331
51.855505 0.737778
51.855703 0.738182
51.855917 0.738631
51.856528 0.739757
51.856659 0.739998
51.856787 0.740244

Segment 4

4 coordinate pairs

Description: A12 northbound between B1024 near Kelvedon (north) and A120 near Colchester (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: North Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {87781318-1D1A-4A4A-9280-D621977FCC28}
Linear Element Type: A Carriageway
From Distance: 236 m
To Distance: 484 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.851339 0.729335
51.852516 0.731744
51.852633 0.731969
51.852723 0.73214

Geometry type: MultiLineString
Geometry points: 19
First coordinate pair: 0.733241, 51.853300
Road section segments: 1
Road section points: 19

View geometry JSON

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    "type": "MultiLineString",
    "coordinates": [
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                0.733241,
                51.8533
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            [
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            [
                0.734474,
                51.853945
            ],
            [
                0.735672,
                51.854538
            ],
            [
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                51.852723
            ],
            [
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            [
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            ],
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            ],
            [
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            ],
            [
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}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Tree And Vegetation Cutting Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other
Feed region label: Kelvedon