Crash View

A12 northbound Jct 29 to Jct 30 lane 2 closure

Cleared

A12 northbound Jct 29 to Jct 30 lane 2 closure

Start time
Thu, Sep 17, 2026 8:00 PM
Expected end
Sun, Sep 20, 2026 4:00 AM
Duration
2 days 8 hours
Road
A12 – A12 Northbound Between A120 Near Colchester (East) And B1029
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 closed, 1 of 1 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
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First published
Wed, Sep 9, 2026 12:56 AM
Last updated
Sun, Sep 20, 2026 3:37 AM
Cleared
Sun, Sep 20, 2026 4:00 AM
  • Latest update: A12 northbound Jct 29 to Jct 30 lane 2 closure
Coordinates
51.940342, 0.952886
Latitude span
51.932261 – 51.947779
Longitude span
0.945017 – 0.958617
Bounding box centre
51.940020, 0.951817
Location descriptions
  • A12 northbound between A120 near Colchester (east) and B1029
  • A12 northbound at a minor junction between A120 near Colchester (east) and B1029
Feed validity status
Planned
Overall feed start
Thu, Sep 17, 2026 8:00 PM
Overall feed end
Sun, Sep 20, 2026 4:00 AM
Feed window length
2 days 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

6 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
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
{2F3FEF2C-BA4C-47D3-B28E-FB03D1CD17A2}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
282 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.937123 0.950666
51.937348 0.950854
51.938338 0.951637
51.938689 0.951943
51.939111 0.952266
51.939401 0.952488

Segment 2

4 coordinate pairs
Description
A12 northbound at a minor junction between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
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
{D42C1647-56FB-4DF5-9E66-1B42E4B1EC26}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
176 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.939401 0.952488
51.939903 0.952876
51.940379 0.953245
51.940835 0.953571

Segment 3

8 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
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
{40784D21-AB0F-4EA9-BDF7-BB5C62A14EAF}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
550 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.940835 0.953571
51.941827 0.954412
51.942462 0.954921
51.943114 0.955443
51.943547 0.955777
51.944164 0.956254
51.944906 0.956812
51.945277 0.957084

Segment 4

12 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
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
{FB6D5241-2BC6-4B8A-9630-FDD1A964394E}
Linear Element Type
A Carriageway
From Distance
34 m
To Distance
704 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.932261 0.945017
51.932427 0.945153
51.932778 0.945481
51.933096 0.945851
51.933481 0.946344
51.933872 0.946918
51.934735 0.94817
51.93503 0.948597
51.935414 0.949073
51.935724 0.949452
51.936158 0.949864
51.937123 0.950666

Segment 5

10 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
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
{998C460A-902D-4610-8657-5221B5FA112E}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
297 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.945277 0.957084
51.94548 0.957214
51.945728 0.957384
51.945878 0.957487
51.94648 0.957876
51.946701 0.958022
51.946914 0.958123
51.947056 0.958203
51.947615 0.958519
51.947779 0.958617
Geometry type
MultiLineString
Geometry points
40
First coordinate pair
0.950666, 51.937123
Road section segments
1
Road section points
40
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.950666,
                51.937123
            ],
            [
                0.950854,
                51.937348
            ],
            [
                0.951637,
                51.938338
            ],
            [
                0.951943,
                51.938689
            ],
            [
                0.952266,
                51.939111
            ],
            [
                0.952488,
                51.939401
            ],
            [
                0.952488,
                51.939401
            ],
            [
                0.952876,
                51.939903
            ],
            [
                0.953245,
                51.940379
            ],
            [
                0.953571,
                51.940835
            ],
            [
                0.953571,
                51.940835
            ],
            [
                0.954412,
                51.941827
            ],
            [
                0.954921,
                51.942462
            ],
            [
                0.955443,
                51.943114
            ],
            [
                0.955777,
                51.943547
            ],
            [
                0.956254,
                51.944164
            ],
            [
                0.956812,
                51.944906
            ],
            [
                0.957084,
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            ],
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            ],
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            ],
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                0.945481,
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            ],
            [
                0.945851,
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            ],
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                0.946344,
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            ],
            [
                0.946918,
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            ],
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                0.94817,
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            ],
            [
                0.948597,
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            ],
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                0.949073,
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            ],
            [
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            ],
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            ],
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                0.950666,
                51.937123
            ],
            [
                0.957084,
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            ],
            [
                0.957214,
                51.94548
            ],
            [
                0.957384,
                51.945728
            ],
            [
                0.957487,
                51.945878
            ],
            [
                0.957876,
                51.94648
            ],
            [
                0.958022,
                51.946701
            ],
            [
                0.958123,
                51.946914
            ],
            [
                0.958203,
                51.947056
            ],
            [
                0.958519,
                51.947615
            ],
            [
                0.958617,
                51.947779
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            0.950666,
            51.937123
        ],
        [
            0.950854,
            51.937348
        ],
        [
            0.951637,
            51.938338
        ],
        [
            0.951943,
            51.938689
        ],
        [
            0.952266,
            51.939111
        ],
        [
            0.952488,
            51.939401
        ],
        [
            0.952488,
            51.939401
        ],
        [
            0.952876,
            51.939903
        ],
        [
            0.953245,
            51.940379
        ],
        [
            0.953571,
            51.940835
        ],
        [
            0.953571,
            51.940835
        ],
        [
            0.954412,
            51.941827
        ],
        [
            0.954921,
            51.942462
        ],
        [
            0.955443,
            51.943114
        ],
        [
            0.955777,
            51.943547
        ],
        [
            0.956254,
            51.944164
        ],
        [
            0.956812,
            51.944906
        ],
        [
            0.957084,
            51.945277
        ],
        [
            0.945017,
            51.932261
        ],
        [
            0.945153,
            51.932427
        ],
        [
            0.945481,
            51.932778
        ],
        [
            0.945851,
            51.933096
        ],
        [
            0.946344,
            51.933481
        ],
        [
            0.946918,
            51.933872
        ],
        [
            0.94817,
            51.934735
        ],
        [
            0.948597,
            51.93503
        ],
        [
            0.949073,
            51.935414
        ],
        [
            0.949452,
            51.935724
        ],
        [
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        ],
        [
            0.950666,
            51.937123
        ],
        [
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        ],
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        ],
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        ],
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        ],
        [
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            51.94648
        ],
        [
            0.958022,
            51.946701
        ],
        [
            0.958123,
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        ],
        [
            0.958203,
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        ],
        [
            0.958519,
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        ],
        [
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        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed region label
Colchester
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Wed, Sep 9, 2026 12:56 AM
Record versioned
Sun, Sep 20, 2026 3:37 AM
Coordinate source
Geometry

Driving on the A12? See every live closure, roadwork and planned restriction on this road.

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