A12 northbound Jct 21 lane 1 closure (MP 136/4 to 139/7)
ClearedA12 northbound Jct 21 lane 1 closure (MP 136/4 to 139/7)
- Start time
- Wed, Jul 29, 2026 8:00 PM
- Expected end
- Thu, Jul 30, 2026 4:00 AM
- Duration
- 8 hours
- Road
- A12 – A12 Northbound Between B1137 And B1389 Near Witham (South)
- Category
- Road Maintenance
- Direction
- Northbound
- Carriageway
- Dual Carriageway
- Lanes affected
- Lane 1 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
- Thu, Jun 11, 2026 1:09 PM
- Last updated
- Thu, Jul 30, 2026 3:46 AM
- Cleared
- Thu, Jul 30, 2026 4:00 AM
- Latest update: A12 northbound Jct 21 lane 1 closure (MP 136/4 to 139/7)
- Coordinates
- 51.786195, 0.630435
- Latitude span
- 51.781457 – 51.792313
- Longitude span
- 0.611465 – 0.649624
- Bounding box centre
- 51.786885, 0.630545
- Location descriptions
-
- A12 northbound between B1137 and B1389 near Witham (south)
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- A12 northbound within the B1389 near Witham (south) junction
- Feed validity status
- Planned
- Overall feed start
- Wed, Jul 29, 2026 8:00 PM
- Overall feed end
- Thu, Jul 30, 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
6 coordinate pairs- Description
- A12 northbound between B1137 and B1389 near Witham (south)
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- 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
- {87228FE9-B9C4-45C0-B1D4-364DB9726EE4}
- Linear Element Type
- A Carriageway
- From Distance
- 570 m
- To Distance
- 794 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.781457 0.611465 51.781568 0.611763 51.781789 0.612327 51.782107 0.612998 51.782288 0.613356 51.782677 0.614031
Segment 2
15 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- 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
- {4F8C5543-B7C8-4439-B15C-366D5EB76DA3}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 640 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.788473 0.642804 51.788679 0.643251 51.788876 0.643683 51.789365 0.644756 51.789527 0.645114 51.790037 0.646161 51.790358 0.646811 51.790534 0.647162 51.790778 0.647588 51.791018 0.648014 51.791331 0.648468 51.79148 0.648665 51.791795 0.649046 51.791961 0.649244 51.792313 0.649624
Segment 3
6 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- 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
- {80A2F75D-3591-4406-8706-FADF3B0E21CA}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 645 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.784923 0.620599 51.785057 0.621854 51.785138 0.622685 51.785145 0.622758 51.785413 0.625659 51.785823 0.629847
Segment 4
12 coordinate pairs- Description
- A12 northbound within the B1389 near Witham (south) junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- 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
- {4337DA7C-1397-4AD5-9D4B-A084C6C7CD4A}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 302 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.782677 0.614031 51.782772 0.614211 51.783074 0.614808 51.783393 0.615407 51.783557 0.615706 51.78372 0.616078 51.78384 0.616361 51.783951 0.616628 51.784044 0.616894 51.784146 0.617161 51.784194 0.617304 51.78428 0.617556
Segment 5
7 coordinate pairs- Description
- A12 northbound within the B1389 near Witham (south) junction
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- 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
- {AC8E23F4-D6C8-4BCC-9A30-BB0F31AA7618}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 222 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.78428 0.617556 51.784305 0.617678 51.784595 0.618768 51.784773 0.619663 51.784886 0.620264 51.784909 0.620454 51.784923 0.620599
Segment 6
22 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- 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
- {DFD2A102-8E2B-456D-8E38-B0EAE8EC58E6}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 794 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.785945 0.632321 51.785947 0.632345 51.785989 0.633683 51.785994 0.633843 51.786018 0.634381 51.786104 0.635386 51.786134 0.63562 51.786229 0.636206 51.78626 0.636425 51.786397 0.637158 51.786438 0.637334 51.78651 0.63773 51.786559 0.637936 51.786659 0.638275 51.786668 0.638303 51.786835 0.638866 51.787063 0.639531 51.787139 0.639739 51.787335 0.640214 51.787814 0.641301 51.788199 0.642179 51.788473 0.642804
Segment 7
5 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- Carriageway
- Dual Carriageway
- Lane Usage
- Cl1
- Lane Number
- 1
- 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
- {B71781D6-0F26-451D-8CAC-1422E431B6BA}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 171 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.785823 0.629847 51.785823 0.629849 51.785823 0.629852 51.785899 0.631454 51.785945 0.632321
- Geometry type
- MultiLineString
- Geometry points
- 73
- First coordinate pair
- 0.611465, 51.781457
- Road section segments
- 1
- Road section points
- 73
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
- Witham
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Thu, Jun 11, 2026 1:09 PM
- Record versioned
- Thu, Jul 30, 2026 3:46 AM
- Coordinate source
- Geometry
Driving on the A12? See every live closure, roadwork and planned restriction on this road.
A12 live closuresRelated incidents
M25 Jct 28 roundabout lane 3,2 closure
Planned Roadworks National Highways
Havering
A12 · Roundabout At M25 J28/A12
Starts in 4 hours 43 minutes
Starts 5 Aug 2026, 21:00
Expected clear 6 Aug 2026, 04:30
M25 Jct 28 roundabout lane 3,2 closure
Category: Road Maintenance
View update
A12 northbound Jct 24 to 25 lane 1 closure (MP 150/5 to 153/7)
Planned Roadworks National Highways
Colchester
A12 · A12 Northbound Between B1024 Near Kelvedon (North) And A120 Near Colchester (West)
Starts in 3 hours 43 minutes
Starts 5 Aug 2026, 20:00
Expected clear 6 Aug 2026, 04:00
A12 northbound Jct 24 to 25 lane 1 closure (MP 150/5 to 153/7)
Category: Road Maintenance
View update
A120 eastbound Hare Green to Crown Interchange lane 2 closure
Planned Roadworks National Highways
Colchester
A12 · A12 Northbound Within The A120 Near Colchester (East) Junction
Starts in 3 hours 43 minutes
Starts 5 Aug 2026, 20:00
Expected clear 6 Aug 2026, 04:00
A120 eastbound Hare Green to Crown Interchange lane 2 closure
Category: Road Maintenance
View update
M25 Jct 28 roundabout lane 3,2 closure
Cleared Roadworks National Highways
Havering
A12 · Roundabout At M25 J28/A12
Cleared 13 hours 41 minutes ago
Started 4 Aug 2026, 21:00
Ended 5 Aug 2026, 02:35
M25 Jct 28 roundabout lane 3,2 closure
Category: Road Maintenance
View update
A12 northbound Jct 24 lane 1 closure (MP 147/0 to 151/0)
Cleared Roadworks National Highways
Colchester
A12 · A12 Northbound Between B1024 Near Kelvedon (South) And B1024 Near Kelvedon (North)
Cleared 12 hours 16 minutes ago
Started 4 Aug 2026, 20:00
Ended 5 Aug 2026, 04:00
A12 northbound Jct 24 lane 1 closure (MP 147/0 to 151/0)
Category: Road Maintenance
View update
A120 eastbound Hare Green to Crown Interchange lane 2 closure
Cleared Roadworks National Highways
Colchester
A12 · A12 Northbound Within The A120 Near Colchester (East) Junction
Cleared 12 hours 16 minutes ago
Started 4 Aug 2026, 20:00
Ended 5 Aug 2026, 04:00
A120 eastbound Hare Green to Crown Interchange lane 2 closure
Category: Road Maintenance
View update