A12 northbound Jct 14 exit slip carriageway closure

Cleared

Start time: Mon, Mar 30, 2026 8:00 PM
Expected end: Tue, Mar 31, 2026 4:00 AM
Duration: 8 hours
Road: A12 – A12 Northbound Between B1002 And A414 Near Chelmsford (West)
Category: Construction Work
Direction: Northbound
Carriageway: Dual Carriageway
Reason: Construction Work

Live incident

Active roadworks

Planned

Cleared

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First published: Mon, Mar 30, 2026 7:34 PM
Last updated: Mon, Mar 30, 2026 11:04 PM
Cleared: Tue, Mar 31, 2026 4:00 AM

Latest update: A12 northbound Jct 14 exit slip carriageway closure

Coordinates: 51.690747, 0.408040
Latitude span: 51.689239 – 51.692156
Longitude span: 0.406213 – 0.410145
Bounding box centre: 51.690698, 0.408179
Location descriptions: A12 northbound between B1002 and A414 near Chelmsford (west)

A12 northbound exit at a minor junction between B1002 and A414 near Chelmsford (west)

Feed validity status: Active
Overall feed start: Mon, Mar 30, 2026 8:00 PM
Overall feed end: Tue, Mar 31, 2026 4:00 AM
Feed window length: 8 hours
Probability code (raw): certain
Compliance option (raw): mandatory
Source identification (raw): roadworks

Management type value: carriagewayClosures (Carriageway Closures)
Contra-flow flag (raw): false
Width restriction flag (raw): false
Height restriction flag (raw): false
Weight restriction flag (raw): false

Segment 1

6 coordinate pairs

Description: A12 northbound between B1002 and A414 near Chelmsford (west)
Carriageway: Dual Carriageway
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 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: 1,642 m
To Distance: 1,797 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.689239 0.406213
51.689401 0.40637
51.689832 0.406857
51.689911 0.406947
51.690279 0.407415
51.690358 0.407535

Segment 2

10 coordinate pairs

Description: A12 northbound exit at a minor junction between B1002 and A414 near Chelmsford (west)
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 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: {0446700A-8FD3-4AA3-85ED-12428E03F2CD}
Linear Element Type: A Carriageway Exit Slip
From Distance: 0 m
To Distance: 271 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.690358 0.407535
51.690668 0.407766
51.690844 0.408003
51.690993 0.408209
51.691236 0.408565
51.69141 0.408835
51.691512 0.408991
51.691741 0.409369
51.692018 0.40988
51.692156 0.410145

Geometry type: MultiLineString
Geometry points: 16
First coordinate pair: 0.406213, 51.689239
Road section segments: 1
Road section points: 16

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.406213,
                51.689239
            ],
            [
                0.40637,
                51.689401
            ],
            [
                0.406857,
                51.689832
            ],
            [
                0.406947,
                51.689911
            ],
            [
                0.407415,
                51.690279
            ],
            [
                0.407535,
                51.690358
            ],
            [
                0.407535,
                51.690358
            ],
            [
                0.407766,
                51.690668
            ],
            [
                0.408003,
                51.690844
            ],
            [
                0.408209,
                51.690993
            ],
            [
                0.408565,
                51.691236
            ],
            [
                0.408835,
                51.69141
            ],
            [
                0.408991,
                51.691512
            ],
            [
                0.409369,
                51.691741
            ],
            [
                0.40988,
                51.692018
            ],
            [
                0.410145,
                51.692156
            ]
        ]
    ]
}

View road section coordinates

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