A12 southbound approach to Marks Tey lane closures (MP 156/4 to 154/9)

Cleared

Start time: Tue, Feb 24, 2026 9:00 PM
Expected end: Wed, Feb 25, 2026 5:00 AM
Duration: 8 hours
Road: A12 – A12 Southbound Between A1124 And A120 Near Colchester (West)
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 1 lanes affected
Reason: Roadworks

Live incident

Active roadworks

Planned

Cleared

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First published: Fri, Feb 13, 2026 8:41 AM
Last updated: Tue, Feb 24, 2026 4:28 PM
Cleared: Wed, Feb 25, 2026 5:00 AM

Latest update: A12 southbound approach to Marks Tey lane closures (MP 156/4 to 154/9)

Coordinates: 51.885854, 0.804990
Latitude span: 51.883043 – 51.888193
Longitude span: 0.794468 – 0.813749
Bounding box centre: 51.885618, 0.804109
Location descriptions: A12 southbound between A1124 and A120 near Colchester (west)

Feed validity status: Planned
Overall feed start: Tue, Feb 24, 2026 9:00 PM
Overall feed end: Wed, Feb 25, 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

11 coordinate pairs

Description: A12 southbound between A1124 and A120 near Colchester (west)
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 1 operational lane
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {C1F3190E-3C04-4DC5-9DED-E1B96A30F930}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 987 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.886559 0.807632
51.886502 0.807396
51.886305 0.806678
51.886032 0.805679
51.885845 0.804996
51.885588 0.804017
51.885531 0.803799
51.885326 0.802987
51.884182 0.798698
51.884116 0.798447
51.883043 0.794468

Segment 2

4 coordinate pairs

Description: A12 southbound between A1124 and A120 near Colchester (west)
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 1 operational lane
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End2
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {69E76AA5-8C67-42B8-801F-38F703A020B0}
Linear Element Type: B Carriageway
From Distance: 569 m
To Distance: 1,028 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.888193 0.813749
51.887129 0.809775
51.886897 0.808903
51.886559 0.807632

Geometry type: MultiLineString
Geometry points: 15
First coordinate pair: 0.807632, 51.886559
Road section segments: 1
Road section points: 15

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.807632,
                51.886559
            ],
            [
                0.807396,
                51.886502
            ],
            [
                0.806678,
                51.886305
            ],
            [
                0.805679,
                51.886032
            ],
            [
                0.804996,
                51.885845
            ],
            [
                0.804017,
                51.885588
            ],
            [
                0.803799,
                51.885531
            ],
            [
                0.802987,
                51.885326
            ],
            [
                0.798698,
                51.884182
            ],
            [
                0.798447,
                51.884116
            ],
            [
                0.794468,
                51.883043
            ],
            [
                0.813749,
                51.888193
            ],
            [
                0.809775,
                51.887129
            ],
            [
                0.808903,
                51.886897
            ],
            [
                0.807632,
                51.886559
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Roadworks
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other
Feed region label: Colchester