A12 northbound Jct 29 to Jct 30 lane closure (MP 166/3 to 168/3)
ClearedA12 northbound Jct 29 to Jct 30 lane closure (MP 166/3 to 168/3)
- Start time
- Fri, Dec 19, 2025 9:00 PM
- Expected end
- Sat, Dec 20, 2025 5:00 AM
- Duration
- 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
Hover or tap markers for full details
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Planning history
EPC ratings & more
- First published
- Wed, Dec 17, 2025 9:54 AM
- Last updated
- Sat, Dec 20, 2025 12:58 AM
- Cleared
- Sat, Dec 20, 2025 5:00 AM
- Latest update: A12 northbound Jct 29 to Jct 30 lane closure (MP 166/3 to 168/3)
- Coordinates
- 51.927825, 0.939221
- Latitude span
- 51.924435 – 51.935101
- Longitude span
- 0.928722 – 0.948686
- Bounding box centre
- 51.929768, 0.938704
- Location descriptions
-
- A12 northbound between A120 near Colchester (east) and B1029
- A12 northbound within the A120 near Colchester (east) junction
- Feed validity status
- Planned
- Overall feed start
- Fri, Dec 19, 2025 9:00 PM
- Overall feed end
- Sat, Dec 20, 2025 5:00 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
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
- {FB6D5241-2BC6-4B8A-9630-FDD1A964394E}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 440 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.931983 0.944785 51.932249 0.945008 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 51.935101 0.948686
Segment 2
3 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
- {CFE28B3C-E98B-44CD-8110-AEED063F803D}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 27 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.931759 0.944631 51.931969 0.944773 51.931983 0.944785
Segment 3
17 coordinate pairs- Description
- A12 northbound within the A120 near Colchester (east) 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 End1
- Linear Element Road
- A12
- Linear Element Model
- The Network Model
- Linear Element Id
- {8345D8F3-4FB7-40E4-867C-49EE75C415C6}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 402 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.924506 0.930243 51.924498 0.930373 51.924488 0.930489 51.924475 0.930756 51.924443 0.931322 51.924435 0.931983 51.92446 0.932499 51.924471 0.932704 51.924497 0.933186 51.924542 0.933887 51.924564 0.934106 51.924639 0.934708 51.924685 0.935002 51.924729 0.935339 51.924745 0.935468 51.92482 0.935893 51.924852 0.936019
Segment 4
5 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 End2
- Linear Element Road
- A12
- Linear Element Model
- The Network Model
- Linear Element Id
- {071ACD65-A049-4626-A658-523ADFCD9B8C}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 150 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.927912 0.942028 51.928111 0.942222 51.928525 0.942599 51.928824 0.942836 51.929116 0.94303
Segment 5
15 coordinate pairs- Description
- A12 northbound within the A120 near Colchester (east) 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 End1
- Linear Element Road
- A12
- Linear Element Model
- The Network Model
- Linear Element Id
- {E4B79E2B-8D47-49A8-BE65-527F61CCD28A}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 545 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.924852 0.936019 51.924935 0.936397 51.925092 0.936977 51.925221 0.93732 51.92538 0.937796 51.925565 0.938288 51.925726 0.938692 51.925982 0.939246 51.926239 0.939758 51.926515 0.940256 51.926618 0.940423 51.926935 0.940873 51.927251 0.941312 51.927513 0.94162 51.927912 0.942028
Segment 6
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
- Start2 End1
- Linear Element Road
- A12
- Linear Element Model
- The Network Model
- Linear Element Id
- {A8CFE18D-1A79-4A73-9113-B67461F33F78}
- 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
51.929116 0.94303 51.929302 0.943159 51.92947 0.943271 51.929789 0.943467 51.931446 0.944477 51.931632 0.94459 51.93172 0.94463 51.931759 0.944631
Segment 7
4 coordinate pairs- Description
- A12 northbound within the A120 near Colchester (east) 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 End1
- Linear Element Road
- A12
- Linear Element Model
- The Network Model
- Linear Element Id
- {88E6D094-E996-4CFF-BF76-231FD9EC44B1}
- Linear Element Type
- A Carriageway
- From Distance
- 420 m
- To Distance
- 526 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.92466 0.928722 51.924633 0.928925 51.924548 0.929698 51.924506 0.930243
- Geometry type
- MultiLineString
- Geometry points
- 62
- First coordinate pair
- 0.944785, 51.931983
- Road section segments
- 1
- Road section points
- 62
View geometry JSON
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View road section coordinates
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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, Dec 17, 2025 9:54 AM
- Record versioned
- Sat, Dec 20, 2025 12:58 AM
- Coordinate source
- Geometry
Driving on the A12? See every live closure, roadwork and planned restriction on this road.
A12 live closuresRelated incidents
A120 eastbound Ardleigh to Bromley lane closure (MP 153/6 to 154/6)
Planned Roadworks National Highways
Colchester
A120 · A120 Eastbound Between A12 Near Colchester (East) And A133
Starts in 2 hours 10 minutes
Starts 14 Jun 2026, 19:00
Expected clear 15 Jun 2026, 04:00
A120 eastbound Ardleigh to Bromley lane closure (MP 153/6 to 154/6)
Category: Road Maintenance
View update
A12 northbound Jct 11 to Jct 12 lane 2 closure
Cleared Roadworks National Highways
Havering
A12 · A12 Northbound Between M25 And A1023
Cleared 12 hours 49 minutes ago
Started 13 Jun 2026, 20:00
Ended 14 Jun 2026, 04:00
A12 northbound Jct 11 to Jct 12 lane 2 closure
Category: Road Maintenance
View update
A12 northbound Jct 15 to Jct 19 carriageway closure
Cleared Roadworks National Highways
Chelmsford
A12 · A12 Northbound Between B1007 And A1114/A130
Cleared 12 hours 49 minutes ago
Started 13 Jun 2026, 20:00
Ended 14 Jun 2026, 04:00
A12 northbound Jct 15 to Jct 19 carriageway closure
Category: Road Maintenance
View update
A12 northbound Ipswich Road exit slip carriageway closure
Cleared Roadworks National Highways
Colchester
A12 · A12 Northbound Between A120 Near Colchester (East) And B1029
Cleared 1 day 12 hours ago
Started 13 Jun 2026, 01:00
Ended 13 Jun 2026, 04:00
A12 northbound Ipswich Road exit slip carriageway closure
Category: Road Maintenance
View update
A12 northbound Jct 28 exit slip carriageway closure
Cleared Roadworks National Highways
Colchester
A12 · A12 Northbound Exit At A Minor Junction Between A133 And A120 Near Colchester (East)
Cleared 1 day 18 hours ago
Started 12 Jun 2026, 22:00
Ended 12 Jun 2026, 22:40
A12 northbound Jct 28 exit slip carriageway closure
Category: Road Maintenance
View update
A12 northbound Jct 28 entry slip carriageway closure
Cleared Roadworks National Highways
Colchester
A12 · A12 Northbound Between A133 And A120 Near Colchester (East)
Cleared 1 day 20 hours ago
Started 12 Jun 2026, 20:00
Ended 12 Jun 2026, 20:00
A12 northbound Jct 28 entry slip carriageway closure
Category: Road Maintenance
View update