A12 southbound Jct 30 entry slip road - carriageway closure

Cleared

Start time: Tue, May 26, 2026 8:00 PM
Expected end: Wed, May 27, 2026 4:00 AM
Duration: 8 hours
Road: A12 – A12 Southbound Access From B1029
Category: Authority Operation
Direction: Southbound
Carriageway: Dual Carriageway
Reason: Other

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, May 14, 2026 7:57 AM
Last updated: Wed, May 27, 2026 3:09 AM
Cleared: Wed, May 27, 2026 4:00 AM

Latest update: A12 southbound Jct 30 entry slip road - carriageway closure

Coordinates: 51.973339, 0.986082
Latitude span: 51.972593 – 51.973646
Longitude span: 0.984883 – 0.986808
Bounding box centre: 51.973120, 0.985846
Location descriptions: A12 southbound access from B1029

A12 southbound between B1029 and A120 near Colchester (east)

Feed validity status: Planned
Overall feed start: Tue, May 26, 2026 8:00 PM
Overall feed end: Wed, May 27, 2026 4:00 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 access from B1029
Lanes Restricted: 1 lane 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: {756D371D-1698-49AD-BD05-FB001EABABEB}
Linear Element Type: B Carriageway Entry Slip
From Distance: 8 m
To Distance: 45 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.973597 0.986808
51.973613 0.986749
51.973633 0.986678
51.973644 0.986606
51.973646 0.986533
51.973639 0.98646
51.973616 0.986298

Segment 2

6 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 End2
Linear Element Road: A12
Linear Element Model: The Network Model
Linear Element Id: {A7A6EBEC-8CB9-4836-9CDD-CF6B846CF74E}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 150 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.973616 0.986298
51.973328 0.985959
51.972997 0.985529
51.972866 0.985345
51.972616 0.984921
51.972593 0.984883

Geometry type: MultiLineString
Geometry points: 13
First coordinate pair: 0.986808, 51.973597
Road section segments: 1
Road section points: 13

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.986808,
                51.973597
            ],
            [
                0.986749,
                51.973613
            ],
            [
                0.986678,
                51.973633
            ],
            [
                0.986606,
                51.973644
            ],
            [
                0.986533,
                51.973646
            ],
            [
                0.98646,
                51.973639
            ],
            [
                0.986298,
                51.973616
            ],
            [
                0.986298,
                51.973616
            ],
            [
                0.985959,
                51.973328
            ],
            [
                0.985529,
                51.972997
            ],
            [
                0.985345,
                51.972866
            ],
            [
                0.984921,
                51.972616
            ],
            [
                0.984883,
                51.972593
            ]
        ]
    ]
}

View road section coordinates

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