A12 northbound Jct 13 to 14 lane 2 closure (MP 111/2 to 112/5)

Cleared

Start time: Tue, Mar 3, 2026 9:00 PM
Expected end: Wed, Mar 4, 2026 5:00 AM
Duration: 8 hours
Road: A12 – A12 Northbound Between B1002 And A414 Near Chelmsford (West)
Category: Construction Work
Direction: Northbound
Carriageway: Dual Carriageway
Lanes affected: Lane 2 closed, 1 of 1 lanes affected
Reason: Road Improvement Or Upgrading

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Feb 11, 2026 4:21 PM
Last updated: Tue, Mar 3, 2026 11:08 PM
Cleared: Wed, Mar 4, 2026 5:00 AM

Latest update: A12 northbound Jct 13 to 14 lane 2 closure (MP 111/2 to 112/5)

Coordinates: 51.672732, 0.379140
Latitude span: 51.667416 – 51.675452
Longitude span: 0.372280 – 0.386606
Bounding box centre: 51.671434, 0.379443
Location descriptions: A12 northbound between B1002 and A414 near Chelmsford (west)

Feed validity status: Planned
Overall feed start: Tue, Mar 3, 2026 9:00 PM
Overall feed end: Wed, Mar 4, 2026 5:00 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

14 coordinate pairs

Description: A12 northbound between B1002 and A414 near Chelmsford (west)
Carriageway: Dual Carriageway
Lane Usage: Cl2
Lane Number: 2
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: {77609B5B-2E78-4DB8-A903-8083555E6ACD}
Linear Element Type: A Carriageway
From Distance: 450 m
To Distance: 1,248 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.667416 0.37228
51.667447 0.372312
51.668257 0.373132
51.668909 0.373791
51.669489 0.374424
51.67008 0.375058
51.670451 0.37546
51.670997 0.376045
51.671545 0.376653
51.671894 0.377051
51.67234 0.377572
51.672728 0.378027
51.673166 0.378564
51.673333 0.378787

Segment 2

15 coordinate pairs

Description: A12 northbound between B1002 and A414 near Chelmsford (west)
Carriageway: Dual Carriageway
Lane Usage: Cl2
Lane Number: 2
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: {2785111E-63A7-4D64-8765-3A61656D3D00}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 613 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.673333 0.378787
51.673527 0.379059
51.67392 0.379636
51.674188 0.380133
51.674456 0.380709
51.674598 0.381066
51.674736 0.381449
51.67493 0.382058
51.675092 0.382646
51.675249 0.383431
51.675365 0.384233
51.675423 0.385038
51.675452 0.385437
51.675452 0.385626
51.675449 0.386606

Geometry type: MultiLineString
Geometry points: 29
First coordinate pair: 0.372280, 51.667416
Road section segments: 1
Road section points: 29

View geometry JSON

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    "type": "MultiLineString",
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            ],
            [
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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
Feed region label: Chelmsford