A12 southbound lngham exit slip carriageway closure

Cleared

Start time: Thu, Jan 22, 2026 9:00 PM
Expected end: Fri, Jan 23, 2026 5:00 AM
Duration: 8 hours
Road: A12 – A12 Southbound Exit At The Shell Birchwood Services Between B1029 And A120 Near Colchester (East)
Category: Construction Work
Direction: Clockwise
Carriageway: Dual Carriageway
Reason: Construction Work

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, Jan 22, 2026 12:28 AM
Last updated: Thu, Jan 22, 2026 8:18 PM
Cleared: Fri, Jan 23, 2026 5:00 AM

Latest update: A12 southbound lngham exit slip carriageway closure

Coordinates: 51.944303, 0.956693
Latitude span: 51.943483 – 51.945505
Longitude span: 0.956305 – 0.957450
Bounding box centre: 51.944494, 0.956878
Location descriptions: A12 southbound exit at the Shell Birchwood services between B1029 and A120 near Colchester (east)

A12 southbound between B1029 and A120 near Colchester (east)

Feed validity status: Planned
Overall feed start: Thu, Jan 22, 2026 9:00 PM
Overall feed end: Fri, Jan 23, 2026 5:00 AM
Feed window length: 8 hours
Probability code (raw): probable
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

7 coordinate pairs

Description: A12 southbound exit at the Shell Birchwood services between B1029 and A120 near Colchester (east)
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 operational lanes
Direction On Section: Clockwise
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {00255730-B9AE-41E3-A5FE-CA0B7520748F}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 66 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.944052 0.956421
51.943921 0.956387
51.94378 0.956319
51.943706 0.956305
51.943622 0.956318
51.943513 0.956415
51.943483 0.956434

Segment 2

5 coordinate pairs

Description: A12 southbound between B1029 and A120 near Colchester (east)
Carriageway: Dual Carriageway
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {F8878F3B-54B8-4078-8ACF-AA21ECB02BB8}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 138 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.945192 0.957239
51.945121 0.95719
51.944671 0.956855
51.944432 0.956708
51.944052 0.956421

Segment 3

2 coordinate pairs

Description: A12 southbound between B1029 and A120 near Colchester (east)
Carriageway: Dual Carriageway
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {C88C25B3-2EFB-46CB-8FBB-D8778A8AE3E7}
Linear Element Type: B Carriageway
From Distance: 53 m
To Distance: 91 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.945505 0.95745
51.945192 0.957239

Geometry type: MultiLineString
Geometry points: 14
First coordinate pair: 0.956421, 51.944052
Road section segments: 1
Road section points: 14

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.956421,
                51.944052
            ],
            [
                0.956387,
                51.943921
            ],
            [
                0.956319,
                51.94378
            ],
            [
                0.956305,
                51.943706
            ],
            [
                0.956318,
                51.943622
            ],
            [
                0.956415,
                51.943513
            ],
            [
                0.956434,
                51.943483
            ],
            [
                0.957239,
                51.945192
            ],
            [
                0.95719,
                51.945121
            ],
            [
                0.956855,
                51.944671
            ],
            [
                0.956708,
                51.944432
            ],
            [
                0.956421,
                51.944052
            ],
            [
                0.95745,
                51.945505
            ],
            [
                0.957239,
                51.945192
            ]
        ]
    ]
}

View road section coordinates

Cause type: Construction Work
Detailed cause: Construction Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures
Feed region label: Colchester