Crash View

A12 northbound Galleywood to Sandon lane 2 closure (MP 121/1 to 123/6)

Cleared

A12 northbound Galleywood to Sandon lane 2 closure (MP 121/1 to 123/6)

Start time
Thu, Jul 2, 2026 8:00 PM
Expected end
Fri, Jul 3, 2026 4:00 AM
Duration
7 hours 55 minutes 2 seconds
Road
A12 – A12 Northbound Between B1007 And A1114/A130
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
Hover or tap markers for full details

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First published
Thu, Jun 18, 2026 7:59 AM
Last updated
Fri, Jul 3, 2026 3:32 AM
Cleared
Fri, Jul 3, 2026 3:55 AM
  • Latest update: A12 northbound Galleywood to Sandon lane 2 closure (MP 121/1 to 123/6)
Coordinates
51.699147, 0.509149
Latitude span
51.691624 – 51.706037
Longitude span
0.489720 – 0.520264
Bounding box centre
51.698831, 0.504992
Location descriptions
  • A12 northbound between B1007 and A1114/A130
  • A12 northbound within the A1114/A130 junction
  • A12 northbound between A1114/A130 and A414 near Chelmsford (east)
Feed validity status
Planned
Overall feed start
Thu, Jul 2, 2026 8:00 PM
Overall feed end
Fri, Jul 3, 2026 4:00 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

7 coordinate pairs
Description
A12 northbound between B1007 and A1114/A130
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
{CFB513D8-4188-4B20-A244-89310750D0A7}
Linear Element Type
A Carriageway
From Distance
1,546 m
To Distance
2,227 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.691624 0.48972
51.69189 0.49063
51.692352 0.49216
51.692729 0.493448
51.693278 0.495102
51.693429 0.495597
51.694416 0.498485

Segment 2

11 coordinate pairs
Description
A12 northbound between B1007 and A1114/A130
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
{F32AFABF-AECC-4EC4-AB0A-F4233784C936}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
552 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.697277 0.506715
51.697633 0.507704
51.698009 0.508651
51.698437 0.50963
51.698902 0.510611
51.699117 0.511057
51.699317 0.511415
51.699325 0.51143
51.699507 0.511744
51.69962 0.511939
51.700299 0.513018

Segment 3

6 coordinate pairs
Description
A12 northbound within the A1114/A130 junction
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
Start2 End1
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{FD7C814C-F2C5-422C-8EF7-382367AF4F48}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
213 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.703017 0.516672
51.703029 0.516687
51.703219 0.516929
51.703762 0.517581
51.704253 0.518188
51.704551 0.518523

Segment 4

2 coordinate pairs
Description
A12 northbound between A1114/A130 and A414 near Chelmsford (east)
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
{0233752B-B384-4D9C-827E-B98B07829418}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
204 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.704551 0.518523
51.706037 0.520264

Segment 5

2 coordinate pairs
Description
A12 northbound within the A1114/A130 junction
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
Start2 End2
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{25785AEB-7195-4256-A761-E9865304EFC1}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
13 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.702921 0.51655
51.703017 0.516672

Segment 6

9 coordinate pairs
Description
A12 northbound within the A1114/A130 junction
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 End2
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{82F27AE2-C5C8-4C01-9E8F-28FE6071739D}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
380 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.700299 0.513018
51.700424 0.513213
51.700751 0.513723
51.701048 0.514145
51.701074 0.51418
51.701468 0.514704
51.701809 0.515157
51.702387 0.515881
51.702921 0.51655

Segment 7

6 coordinate pairs
Description
A12 northbound between B1007 and A1114/A130
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
{C87ED182-551C-40A7-96C5-21253AEB1D64}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
651 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.694416 0.498485
51.695565 0.501801
51.695573 0.501816
51.69609 0.503335
51.696683 0.505032
51.697277 0.506715
Geometry type
MultiLineString
Geometry points
43
First coordinate pair
0.489720, 51.691624
Road section segments
1
Road section points
43
View geometry JSON 
{
    "type": "MultiLineString",
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            ],
            [
                0.493448,
                51.692729
            ],
            [
                0.495102,
                51.693278
            ],
            [
                0.495597,
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            [
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            [
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                0.505032,
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            ],
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                0.506715,
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            ]
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}
View road section coordinates 
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            0.48972,
            51.691624
        ],
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            0.49063,
            51.69189
        ],
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            0.49216,
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        ],
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            0.495102,
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        ],
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        ],
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        ],
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        ],
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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
Chelmsford
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Jun 18, 2026 7:59 AM
Record versioned
Fri, Jul 3, 2026 3:32 AM
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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