Crash View

A12 northbound Jct 28 to Jct 29 carriageway closure

Cleared

A12 northbound Jct 28 to Jct 29 carriageway closure

Start time
Tue, Mar 3, 2026 9:00 PM
Expected end
Wed, Mar 4, 2026 5:00 AM
Duration
8 hours
Road
A12 – A12 Northbound Between A133 And A120 Near Colchester (East)
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Thu, Feb 5, 2026 6:10 PM
Last updated
Tue, Mar 3, 2026 3:58 PM
Cleared
Wed, Mar 4, 2026 5:00 AM
  • Latest update: A12 northbound Jct 28 to Jct 29 carriageway closure
Coordinates
51.925274, 0.905565
Latitude span
51.924039 – 51.925666
Longitude span
0.894420 – 0.919290
Bounding box centre
51.924853, 0.906855
Location descriptions
  • A12 northbound between A133 and A120 near Colchester (east)
  • A12 northbound access at a minor junction between A133 and A120 near Colchester (east)
  • A12 northbound at a minor junction between A133 and A120 near Colchester (east)
Feed validity status
Planned
Overall feed start
Tue, Mar 3, 2026 9:00 PM
Overall feed end
Wed, Mar 4, 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 northbound between A133 and A120 near Colchester (east)
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{BE95212D-24AF-43F3-9460-B2158B62BDA1}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
137 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.925425 0.905801
51.925452 0.906294
51.925507 0.907315
51.925529 0.907787

Segment 2

12 coordinate pairs
Description
A12 northbound access at a minor junction between A133 and A120 near Colchester (east)
Lanes Restricted
1 lane restricted
Operational Lanes
0 operational lanes
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
{D2E920F8-C012-4ED5-A38F-856A6CDA99BA}
Linear Element Type
A Carriageway Entry Slip
From Distance
5 m
To Distance
355 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.925458 0.900754
51.92545 0.900788
51.925402 0.900948
51.925357 0.901129
51.925329 0.901313
51.925307 0.901566
51.925309 0.901802
51.925327 0.902216
51.925371 0.903332
51.925404 0.904116
51.925413 0.904606
51.925425 0.905801

Segment 3

12 coordinate pairs
Description
A12 northbound between A133 and A120 near Colchester (east)
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{BE95212D-24AF-43F3-9460-B2158B62BDA1}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
747 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.925425 0.905801
51.925452 0.906294
51.925507 0.907315
51.925571 0.908731
51.925616 0.909853
51.925629 0.910407
51.925653 0.911965
51.925657 0.912547
51.925666 0.913639
51.925644 0.915224
51.925643 0.915282
51.925609 0.916646

Segment 4

4 coordinate pairs
Description
A12 northbound between A133 and A120 near Colchester (east)
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{141914E4-69D1-4F65-AA3D-AB83CFC40C6F}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
182 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.925609 0.916646
51.925592 0.917358
51.925543 0.918591
51.925505 0.91929

Segment 5

6 coordinate pairs
Description
A12 northbound at a minor junction between A133 and A120 near Colchester (east)
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{3E6F3C08-224F-4842-82E2-16C7F1B319AF}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
314 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.924333 0.896119
51.924443 0.896875
51.924659 0.898329
51.924826 0.899562
51.924908 0.900251
51.924944 0.900582

Segment 6

5 coordinate pairs
Description
A12 northbound at a minor junction between A133 and A120 near Colchester (east)
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{8F1D17EA-2241-4240-969C-8588A485D251}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
363 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.924944 0.900582
51.92515 0.902492
51.925221 0.903253
51.925366 0.905023
51.925425 0.905801

Segment 7

3 coordinate pairs
Description
A12 northbound at a minor junction between A133 and A120 near Colchester (east)
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{B4CF517A-A24E-4FCA-8331-BE73CBB451BE}
Linear Element Type
A Carriageway
From Distance
60 m
To Distance
181 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.924039 0.89442
51.924209 0.89542
51.924333 0.896119
Geometry type
MultiLineString
Geometry points
46
First coordinate pair
0.905801, 51.925425
Road section segments
1
Road section points
46
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.905801,
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            ],
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                51.925507
            ],
            [
                0.907787,
                51.925529
            ],
            [
                0.900754,
                51.925458
            ],
            [
                0.900788,
                51.92545
            ],
            [
                0.900948,
                51.925402
            ],
            [
                0.901129,
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            ],
            [
                0.901313,
                51.925329
            ],
            [
                0.901566,
                51.925307
            ],
            [
                0.901802,
                51.925309
            ],
            [
                0.902216,
                51.925327
            ],
            [
                0.903332,
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            ],
            [
                0.904116,
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            ],
            [
                0.904606,
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            ],
            [
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            ],
            [
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                0.908731,
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            ],
            [
                0.909853,
                51.925616
            ],
            [
                0.910407,
                51.925629
            ],
            [
                0.911965,
                51.925653
            ],
            [
                0.912547,
                51.925657
            ],
            [
                0.913639,
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
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            ],
            [
                0.91929,
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            ],
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                0.896119,
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                0.896875,
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            ],
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            [
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            ],
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                0.900582,
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            ],
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            ],
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                0.903253,
                51.925221
            ],
            [
                0.905023,
                51.925366
            ],
            [
                0.905801,
                51.925425
            ],
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                0.89442,
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            ],
            [
                0.89542,
                51.924209
            ],
            [
                0.896119,
                51.924333
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            0.905801,
            51.925425
        ],
        [
            0.906294,
            51.925452
        ],
        [
            0.907315,
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        ],
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            51.925529
        ],
        [
            0.900754,
            51.925458
        ],
        [
            0.900788,
            51.92545
        ],
        [
            0.900948,
            51.925402
        ],
        [
            0.901129,
            51.925357
        ],
        [
            0.901313,
            51.925329
        ],
        [
            0.901566,
            51.925307
        ],
        [
            0.901802,
            51.925309
        ],
        [
            0.902216,
            51.925327
        ],
        [
            0.903332,
            51.925371
        ],
        [
            0.904116,
            51.925404
        ],
        [
            0.904606,
            51.925413
        ],
        [
            0.905801,
            51.925425
        ],
        [
            0.905801,
            51.925425
        ],
        [
            0.906294,
            51.925452
        ],
        [
            0.907315,
            51.925507
        ],
        [
            0.908731,
            51.925571
        ],
        [
            0.909853,
            51.925616
        ],
        [
            0.910407,
            51.925629
        ],
        [
            0.911965,
            51.925653
        ],
        [
            0.912547,
            51.925657
        ],
        [
            0.913639,
            51.925666
        ],
        [
            0.915224,
            51.925644
        ],
        [
            0.915282,
            51.925643
        ],
        [
            0.916646,
            51.925609
        ],
        [
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        ],
        [
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        ],
        [
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        ],
        [
            0.91929,
            51.925505
        ],
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        ],
        [
            0.896875,
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        ],
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            51.924659
        ],
        [
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        ],
        [
            0.900251,
            51.924908
        ],
        [
            0.900582,
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        ],
        [
            0.900582,
            51.924944
        ],
        [
            0.902492,
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        ],
        [
            0.903253,
            51.925221
        ],
        [
            0.905023,
            51.925366
        ],
        [
            0.905801,
            51.925425
        ],
        [
            0.89442,
            51.924039
        ],
        [
            0.89542,
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        ],
        [
            0.896119,
            51.924333
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed region label
Colchester
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Feb 5, 2026 6:10 PM
Record versioned
Tue, Mar 3, 2026 3:58 PM
Coordinate source
Geometry

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

A12 live closures

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