A12 southbound Jct 29 exit slip carriageway closure

Cleared

Start time: Mon, Mar 9, 2026 9:00 PM
Expected end: Tue, Mar 10, 2026 5:00 AM
Duration: 8 hours
Road: A12 – A12 Southbound Within The A120 Near Colchester (East) Junction
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Sat, Mar 7, 2026 12:10 AM
Last updated: Mon, Mar 9, 2026 11:48 PM
Cleared: Tue, Mar 10, 2026 5:00 AM

Latest update: A12 southbound Jct 29 exit slip carriageway closure

Coordinates: 51.925516, 0.938666
Latitude span: 51.924859 – 51.926119
Longitude span: 0.937376 – 0.939843
Bounding box centre: 51.925489, 0.938610
Location descriptions: A12 southbound within the A120 near Colchester (east) junction

A12 southbound between B1029 and A120 near Colchester (east)

Feed validity status: Planned
Overall feed start: Mon, Mar 9, 2026 9:00 PM
Overall feed end: Tue, Mar 10, 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

4 coordinate pairs

Description: A12 southbound within the A120 near Colchester (east) junction
Carriageway: Dual Carriageway
Lanes Restricted: 2 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: {CC0644A3-AE63-43CF-99FD-A4C35FE92C1F}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 158 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.92576 0.939161
51.925174 0.937972
51.924926 0.937494
51.924859 0.937376

Segment 2

3 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: Start2 End1
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {F9A94D69-4733-4F00-8699-2D09201E4B1E}
Linear Element Type: B Carriageway
From Distance: 406 m
To Distance: 468 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.926119 0.939843
51.926017 0.939656
51.92576 0.939161

Geometry type: MultiLineString
Geometry points: 7
First coordinate pair: 0.939161, 51.925760
Road section segments: 1
Road section points: 7

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.939161,
                51.92576
            ],
            [
                0.937972,
                51.925174
            ],
            [
                0.937494,
                51.924926
            ],
            [
                0.937376,
                51.924859
            ],
            [
                0.939843,
                51.926119
            ],
            [
                0.939656,
                51.926017
            ],
            [
                0.939161,
                51.92576
            ]
        ]
    ]
}

View road section coordinates

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