A12 northbound Jct 20A to 20B lane 1 and 2 closure (MP 133/0 to 136/0)
ClearedA12 northbound Jct 20A to 20B lane 1 and 2 closure (MP 133/0 to 136/0)
- Start time
- Mon, Jul 27, 2026 8:00 PM
- Expected end
- Tue, Jul 28, 2026 4:00 AM
- Duration
- 6 hours 2 seconds
- Road
- A12 – A12 Northbound Within The B1137 Junction
- Category
- Road Maintenance
- Direction
- Northbound
- Carriageway
- Dual Carriageway
- Lanes affected
- 2 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
- Tue, Jul 28, 2026 1:47 AM
- Cleared
- Tue, Jul 28, 2026 2:00 AM
- Latest update: A12 northbound Jct 20A to 20B lane 1 and 2 closure (MP 133/0 to 136/0)
- Coordinates
- 51.774680, 0.584762
- Latitude span
- 51.769824 – 51.779499
- Longitude span
- 0.562893 – 0.605650
- Bounding box centre
- 51.774662, 0.584272
- Location descriptions
-
- A12 northbound within the B1137 junction
- A12 northbound between B1137 and B1389 near Witham (south)
- A12 northbound between A138/A130 and B1137
- Feed validity status
- Planned
- Overall feed start
- Mon, Jul 27, 2026 8:00 PM
- Overall feed end
- Tue, Jul 28, 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
10 coordinate pairs- Description
- A12 northbound within the B1137 junction
- 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
- {4D8620D4-6B4A-4627-B3D2-E8E088C7B0C5}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 453 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.77408 0.583497 51.774114 0.583693 51.774356 0.585089 51.774417 0.585395 51.774586 0.586118 51.774753 0.586815 51.77486 0.587161 51.774988 0.587577 51.775237 0.588343 51.775621 0.58955
Segment 2
3 coordinate pairs- Description
- A12 northbound between B1137 and B1389 near Witham (south)
- 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
- {87228FE9-B9C4-45C0-B1D4-364DB9726EE4}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 114 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.779045 0.604168 51.779222 0.604799 51.779499 0.60565
Segment 3
6 coordinate pairs- Description
- A12 northbound between A138/A130 and B1137
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes 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
- {FF450F31-F63D-4225-86CC-0191EC269E85}
- 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
51.771969 0.572106 51.772195 0.573097 51.772257 0.573396 51.7724 0.57409 51.772401 0.574091 51.772415 0.574158
Segment 4
8 coordinate pairs- Description
- A12 northbound between A138/A130 and B1137
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes 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
- {0DFA007D-1E00-4F07-8C48-C90CF411A774}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 575 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.772685 0.575469 51.772779 0.576 51.773043 0.577479 51.773217 0.578577 51.773396 0.579602 51.773856 0.582237 51.774032 0.583248 51.77408 0.583497
Segment 5
7 coordinate pairs- Description
- A12 northbound within the B1137 junction
- 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
- {1F25CF15-B1E6-4F3D-93D0-5261800CD245}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 326 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.778239 0.599624 51.77828 0.59983 51.778375 0.600401 51.778638 0.602359 51.77875 0.602974 51.778807 0.603238 51.779045 0.604168
Segment 6
4 coordinate pairs- Description
- A12 northbound between A138/A130 and B1137
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes 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
- {07E22600-7ADD-4A17-B6C6-A66C9A36BC4D}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 95 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.772415 0.574158 51.772553 0.574828 51.772601 0.57508 51.772685 0.575469
Segment 7
6 coordinate pairs- Description
- A12 northbound within the B1137 junction
- 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
- {DE98F077-C0DF-45E3-9965-ED55E94E67E3}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 416 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.77693 0.593978 51.777229 0.595184 51.777553 0.596482 51.777938 0.598186 51.778175 0.599302 51.778239 0.599624
Segment 8
8 coordinate pairs- Description
- A12 northbound within the B1137 junction
- 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
- {C0CD02CD-8BEA-4E6C-9391-702A4E5B0F0C}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 338 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.775621 0.58955 51.775864 0.590292 51.776007 0.59074 51.776074 0.590975 51.776275 0.591654 51.77641 0.592144 51.776703 0.59315 51.77693 0.593978
Segment 9
10 coordinate pairs- Description
- A12 northbound between A138/A130 and B1137
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 2 lanes 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
- {8CF92246-1399-4926-916B-1C5A52AB89FC}
- Linear Element Type
- A Carriageway
- From Distance
- 909 m
- To Distance
- 1,589 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.769824 0.562893 51.769884 0.56321 51.769966 0.563591 51.77004 0.5639 51.770513 0.566116 51.770604 0.566498 51.771611 0.570614 51.771941 0.571981 51.771955 0.572043 51.771969 0.572106
- Geometry type
- MultiLineString
- Geometry points
- 62
- First coordinate pair
- 0.583497, 51.774080
- 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
- Witham
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Thu, Jun 11, 2026 1:09 PM
- Record versioned
- Tue, Jul 28, 2026 1:47 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 26 to 27 lane 1 closure (MP 156/4 to 159/6)
Planned Roadworks National Highways
Colchester
A12 · A12 Northbound Between A1124 And A133
Starts in 12 hours 15 minutes
Starts 6 Aug 2026, 20:00
Expected clear 7 Aug 2026, 04:00
A12 northbound Jct 26 to 27 lane 1 closure (MP 156/4 to 159/6)
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 5 hours 9 minutes ago
Started 5 Aug 2026, 21:00
Ended 6 Aug 2026, 02:35
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)
Cleared Roadworks National Highways
Colchester
A12 · A12 Northbound Between B1024 Near Kelvedon (North) And A120 Near Colchester (West)
Cleared 4 hours 44 minutes ago
Started 5 Aug 2026, 20:00
Ended 6 Aug 2026, 03:00
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
Cleared Roadworks National Highways
Colchester
A12 · A12 Northbound Within The A120 Near Colchester (East) Junction
Cleared 4 hours 54 minutes ago
Started 5 Aug 2026, 20:00
Ended 6 Aug 2026, 02:50
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 1 day 5 hours 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 1 day 3 hours 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