A12 southbound Jct 19 to Jct 17 carriageway closure
ClearedA12 southbound Jct 19 to Jct 17 carriageway closure
- Start time
- Wed, Mar 18, 2026 9:00 PM
- Expected end
- Thu, Mar 19, 2026 5:00 AM
- Duration
- 8 hours
- Road
- A12 – A12 Southbound Between A138/A130 And A414 Near Chelmsford (East)
- Category
- Road Maintenance
- Direction
- Southbound
- 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
- Wed, Mar 11, 2026 3:41 AM
- Last updated
- Thu, Mar 19, 2026 3:23 AM
- Cleared
- Thu, Mar 19, 2026 5:00 AM
- Latest update: A12 southbound Jct 19 to Jct 17 carriageway closure
- Coordinates
- 51.742374, 0.522002
- Latitude span
- 51.725302 – 51.755774
- Longitude span
- 0.520055 – 0.526828
- Bounding box centre
- 51.740538, 0.523442
- Location descriptions
-
- A12 southbound between A138/A130 and A414 near Chelmsford (east)
- A12 southbound access from A138/A130
- Feed validity status
- Planned
- Overall feed start
- Wed, Mar 18, 2026 9:00 PM
- Overall feed end
- Thu, Mar 19, 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
29 coordinate pairs- Description
- A12 southbound between A138/A130 and A414 near Chelmsford (east)
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes 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
- {2C84188A-34BB-4862-B16F-947848F10A93}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 2,417 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.752585 0.520615 51.750243 0.520383 51.749354 0.520305 51.748303 0.520232 51.746219 0.52013 51.745914 0.520118 51.744494 0.520063 51.744296 0.520063 51.743666 0.520061 51.743298 0.520055 51.742839 0.520058 51.74229 0.5201 51.74192 0.520137 51.741307 0.520219 51.740856 0.520295 51.740232 0.52042 51.739898 0.520503 51.739355 0.520646 51.737498 0.521253 51.735822 0.52184 51.735714 0.521863 51.735387 0.522004 51.734626 0.522266 51.733992 0.522487 51.733085 0.522803 51.73236 0.52309 51.732314 0.523108 51.731389 0.523505 51.731097 0.523639
Segment 2
7 coordinate pairs- Description
- A12 southbound between A138/A130 and A414 near Chelmsford (east)
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start2 End1
- Linear Element Road
- A12
- Linear Element Model
- The Network Model
- Linear Element Id
- {B76561A9-E9D4-4842-9F21-ADD8B8E80080}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 619 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.730558 0.523887 51.729089 0.524637 51.728032 0.525259 51.727632 0.525497 51.726584 0.526119 51.725537 0.526698 51.725302 0.526828
Segment 3
2 coordinate pairs- Description
- A12 southbound between A138/A130 and A414 near Chelmsford (east)
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 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
- {2AD6E53A-3E8E-48D0-836C-0F4248575125}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 53 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.731097 0.523639 51.730636 0.523851
Segment 4
17 coordinate pairs- Description
- A12 southbound access from A138/A130
- 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
- {82755AE1-E80F-4371-B932-97D60D2D83F3}
- Linear Element Type
- B Carriageway Entry Slip
- From Distance
- 6 m
- To Distance
- 416 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.755774 0.522795 51.755768 0.522734 51.755738 0.522443 51.755706 0.522296 51.75568 0.522208 51.755629 0.522089 51.755533 0.521953 51.755392 0.5218 51.755278 0.521693 51.755065 0.52155 51.754603 0.521307 51.754113 0.521077 51.753818 0.520974 51.753264 0.520812 51.752709 0.520694 51.752647 0.520662 51.752585 0.520615
Segment 5
2 coordinate pairs- Description
- A12 southbound between A138/A130 and A414 near Chelmsford (east)
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- South Bound
- Direction Relative
- Aligned
- Height Grade
- Start2 End2
- Linear Element Road
- A12
- Linear Element Model
- The Network Model
- Linear Element Id
- {6C74BBDF-DBDB-4FE8-A80F-5AFD290D91E0}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 9 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.730636 0.523851 51.730558 0.523887
- Geometry type
- MultiLineString
- Geometry points
- 57
- First coordinate pair
- 0.520615, 51.752585
- Road section segments
- 1
- Road section points
- 57
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
- Carriageway Closures
- Feed region label
- Chelmsford
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 3
- Record created
- Wed, Mar 11, 2026 3:41 AM
- Record versioned
- Thu, Mar 19, 2026 3:23 AM
- Coordinate source
- Geometry
Driving on the A12? See every live closure, roadwork and planned restriction on this road.
A12 live closuresRelated incidents
A12 northbound Jct 11 to Jct 12 lane 2 closure
Cleared Roadworks National Highways
Havering
A12 · A12 Northbound Between M25 And A1023
Cleared 10 hours 55 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 10 hours 55 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 10 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 16 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 18 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
A12 northbound Jct 15 to Jct 19 carriageway closure
Cleared Roadworks National Highways
Chelmsford
A12 · A12 Northbound Between B1007 And A1114/A130
Cleared 1 day 18 hours ago
Started 12 Jun 2026, 20:00
Ended 12 Jun 2026, 20:00
A12 northbound Jct 15 to Jct 19 carriageway closure
Category: Road Maintenance
View update