A12 northbound Jct 14 to 15 lane 1 closure

Cleared

Start time: Wed, Jan 14, 2026 8:57 PM
Expected end: Thu, Jan 15, 2026 5:00 AM
Duration: 8 hours 3 minutes
Road: A12 – A12 Northbound Between B1002 And A414 Near Chelmsford (West)
Category: Construction Work
Direction: Northbound
Carriageway: Dual Carriageway
Lanes affected: Lane 1 closed, 1 of 2 lanes affected
Reason: Construction Work

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Jan 14, 2026 8:57 PM
Last updated: Wed, Jan 14, 2026 11:21 PM
Cleared: Thu, Jan 15, 2026 5:00 AM

Latest update: A12 northbound Jct 14 to 15 lane 1 closure

Coordinates: 51.687321, 0.404616
Latitude span: 51.681236 – 51.691312
Longitude span: 0.398819 – 0.409096
Bounding box centre: 51.686274, 0.403958
Location descriptions: A12 northbound between B1002 and A414 near Chelmsford (west)

Feed validity status: Active
Overall feed start: Wed, Jan 14, 2026 8:57 PM
Overall feed end: Thu, Jan 15, 2026 5:00 AM
Feed window length: 8 hours 3 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

16 coordinate pairs

Description: A12 northbound between B1002 and A414 near Chelmsford (west)
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 2 operational lanes
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: {D28C671A-6E9D-4B8C-82AF-AA534761EBAD}
Linear Element Type: A Carriageway
From Distance: 615 m
To Distance: 1,797 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.681236 0.398819
51.681802 0.399341
51.682296 0.399801
51.682808 0.400277
51.683214 0.400645
51.683868 0.40123
51.684723 0.402042
51.685244 0.402514
51.687319 0.404393
51.68851 0.405516
51.688863 0.405849
51.689401 0.40637
51.689832 0.406857
51.689911 0.406947
51.690279 0.407415
51.690358 0.407535

Segment 2

5 coordinate pairs

Description: A12 northbound between B1002 and A414 near Chelmsford (west)
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 2 operational lanes
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: {BD797760-E644-4459-8713-A48D01EAED3E}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 151 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.690358 0.407535
51.690384 0.407579
51.690872 0.408343
51.691159 0.408821
51.691312 0.409096

Geometry type: MultiLineString
Geometry points: 21
First coordinate pair: 0.398819, 51.681236
Road section segments: 1
Road section points: 21

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.398819,
                51.681236
            ],
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                0.399341,
                51.681802
            ],
            [
                0.399801,
                51.682296
            ],
            [
                0.400277,
                51.682808
            ],
            [
                0.400645,
                51.683214
            ],
            [
                0.40123,
                51.683868
            ],
            [
                0.402042,
                51.684723
            ],
            [
                0.402514,
                51.685244
            ],
            [
                0.404393,
                51.687319
            ],
            [
                0.405516,
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            ],
            [
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            ],
            [
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            ],
            [
                0.406857,
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
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            ],
            [
                0.408821,
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            ],
            [
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            ]
        ]
    ]
}

View road section coordinates

Cause type: Construction Work
Detailed cause: Construction Work
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Other
Feed region label: Chelmsford