A12 northbound Jct 21 to 24 lane 1 closure (MP 141/1 to 147/7)

Planned

A12 northbound Jct 21 to 24 lane 1 closure (MP 141/1 to 147/7)

Start time
Fri, Jan 16, 2026 9:00 PM
Expected end
Sat, Jan 17, 2026 5:00 AM
Duration
8 hours
Road
A12 – A12 Northbound Between B1389 Near Witham (South) And B1389 Near Witham (North)
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Lanes affected
Lane 1 closed, 1 of 1 lanes affected
Reason
Roadworks
Active
Planned
Cleared
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First published
Thu, Jan 15, 2026 9:51 AM
Last updated
Thu, Jan 15, 2026 11:58 PM
Cleared
Sat, Jan 17, 2026 5:00 AM
  • Latest update: A12 northbound Jct 21 to 24 lane 1 closure (MP 141/1 to 147/7)
Coordinates
51.823367, 0.685289
Latitude span
51.806377 – 51.842630
Longitude span
0.652863 – 0.723809
Bounding box centre
51.824504, 0.688336
Location descriptions
  • A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
  • A12 northbound between B1024 near Kelvedon (south) and B1024 near Kelvedon (north)
  • A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (south)
  • A12 northbound within the B1389 near Witham (north) junction
Feed validity status
Planned
Overall feed start
Fri, Jan 16, 2026 9:00 PM
Overall feed end
Sat, Jan 17, 2026 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

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
{16A03B90-7C06-40FB-82EF-C5D7BFD711FD}
Linear Element Type
A Carriageway
From Distance
635 m
To Distance
839 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.806377 0.652863
51.806609 0.652893
51.807431 0.652988
51.807769 0.653035
51.808131 0.653114
51.8082 0.653134

Segment 2

19 coordinate pairs
Description
A12 northbound between B1024 near Kelvedon (south) and B1024 near Kelvedon (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
{87B7A3E0-61E8-4DC4-BF8F-CC513A382838}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
1,033 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.831351 0.710855
51.831593 0.71128
51.831744 0.711544
51.832346 0.712596
51.832786 0.713363
51.834117 0.715721
51.834128 0.715741
51.834445 0.716307
51.834939 0.717177
51.835476 0.718094
51.835821 0.718739
51.836088 0.719185
51.836289 0.719522
51.836452 0.719851
51.836703 0.720286
51.836916 0.720652
51.83715 0.721001
51.837386 0.721348
51.83772 0.721742

Segment 3

14 coordinate pairs
Description
A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
Start2 End1
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{095C60E2-1297-40C9-B3DF-1B29E41D6888}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
997 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.817572 0.668141
51.817591 0.668171
51.818209 0.669438
51.819026 0.670971
51.819131 0.671169
51.819447 0.671755
51.820133 0.673026
51.820578 0.673917
51.821008 0.674778
51.821181 0.675127
51.821411 0.675657
51.821635 0.676176
51.822109 0.677219
51.823133 0.679473

Segment 4

15 coordinate pairs
Description
A12 northbound between B1024 near Kelvedon (south) and B1024 near Kelvedon (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 End1
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{18A31FAB-0C89-4FAB-8364-213510E400D1}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
574 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.83772 0.721742
51.837782 0.721813
51.838071 0.72214
51.838237 0.722287
51.838458 0.722495
51.838591 0.722605
51.83905 0.722929
51.839236 0.723042
51.839378 0.723123
51.839582 0.723222
51.839885 0.723357
51.840037 0.723424
51.840349 0.723516
51.841107 0.723647
51.84263 0.723809

Segment 5

9 coordinate pairs
Description
A12 northbound within the B1389 near Witham (north) 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
{608D8003-85FB-4304-A139-B83D407BF847}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
242 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.808287 0.653159
51.808681 0.65332
51.808984 0.653448
51.809277 0.653582
51.809462 0.65368
51.809648 0.653797
51.809825 0.65391
51.81001 0.654049
51.810343 0.654306

Segment 6

21 coordinate pairs
Description
A12 northbound between B1024 near Kelvedon (south) and B1024 near Kelvedon (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 End1
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{CE4A3158-F14D-4F0E-8B2D-2E66622ABBC0}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
813 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.826612 0.687972
51.826616 0.687987
51.826641 0.688107
51.826714 0.688485
51.826863 0.68923
51.826926 0.689671
51.82702 0.690502
51.827056 0.690882
51.827086 0.691219
51.827099 0.691436
51.827116 0.691903
51.827106 0.693078
51.827044 0.694901
51.827037 0.695293
51.827032 0.695783
51.827067 0.696512
51.827081 0.696686
51.827146 0.697375
51.827181 0.697768
51.827294 0.698477
51.827499 0.699587

Segment 7

15 coordinate pairs
Description
A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
{267F05C2-1762-4BA2-9F69-133D34BABB12}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
377 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.810343 0.654306
51.810579 0.654525
51.810774 0.654722
51.810975 0.654922
51.81117 0.655154
51.811274 0.655275
51.811711 0.65588
51.811921 0.656193
51.812273 0.656759
51.812398 0.656987
51.812593 0.657343
51.812659 0.657472
51.812714 0.657565
51.812799 0.657731
51.812878 0.657878

Segment 8

11 coordinate pairs
Description
A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
{46858DA5-9022-4D19-A413-C6AB2AB28D78}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
634 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.813205 0.658492
51.813284 0.65865
51.81347 0.659022
51.813572 0.659229
51.814097 0.660304
51.814297 0.660721
51.815011 0.66224
51.815779 0.663978
51.816117 0.664736
51.816256 0.665064
51.816599 0.665879

Segment 9

5 coordinate pairs
Description
A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
{708782F7-C168-4D65-ABE0-A1529437CCCB}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
337 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.823133 0.679473
51.823388 0.680031
51.823684 0.680688
51.824816 0.683125
51.824935 0.683403

Segment 10

6 coordinate pairs
Description
A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
{378370D0-C4A5-41B1-9951-FB3A9A13BA02}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
55 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.812878 0.657878
51.812983 0.658075
51.813024 0.658152
51.813185 0.658454
51.813201 0.658483
51.813205 0.658492

Segment 11

5 coordinate pairs
Description
A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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 End2
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{DEBCEFD7-F100-40FB-8453-CF6421C68424}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
149 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.816803 0.666364
51.81688 0.66655
51.817161 0.66725
51.817352 0.667681
51.817572 0.668141

Segment 12

4 coordinate pairs
Description
A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
{FCFB34FE-FF59-4BFF-A2EE-C62E14E0E93D}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
40 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.816599 0.665879
51.816694 0.666103
51.816778 0.666304
51.816803 0.666364

Segment 13

22 coordinate pairs
Description
A12 northbound between B1024 near Kelvedon (south) and B1024 near Kelvedon (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
{5DF3A2A6-F5B7-4D9B-8955-9889E6D38278}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
899 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.827499 0.699587
51.827581 0.699984
51.827767 0.700893
51.827821 0.701148
51.828108 0.702494
51.828197 0.702936
51.828394 0.703759
51.8285 0.704215
51.828708 0.705012
51.828873 0.705618
51.829043 0.70612
51.829153 0.706449
51.829305 0.706849
51.829429 0.707182
51.829724 0.707878
51.829897 0.708225
51.830039 0.708503
51.8301 0.708624
51.830211 0.708822
51.830221 0.708839
51.831093 0.710394
51.831351 0.710855

Segment 14

13 coordinate pairs
Description
A12 northbound between B1024 near Kelvedon (south) and B1024 near Kelvedon (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
{5C232DFB-7D72-48B8-88B7-5B40927E3A93}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
367 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.824935 0.683403
51.825252 0.684147
51.825458 0.684609
51.825751 0.685277
51.82588 0.685602
51.825956 0.685796
51.826091 0.686166
51.826219 0.686548
51.826335 0.68692
51.826441 0.687305
51.826547 0.687724
51.826608 0.687953
51.826612 0.687972

Segment 15

3 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
{6B4AF0EB-58D4-4261-A046-AE8071B0BCFA}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
9 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.8082 0.653134
51.808279 0.653158
51.808287 0.653159
Geometry type
MultiLineString
Geometry points
168
First coordinate pair
0.652863, 51.806377
Road section segments
1
Road section points
168
View geometry JSON
{
    "type": "MultiLineString",
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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View road section coordinates
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]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed region label
Witham
Feed provider
National Highways
Data source
Roadworks
Feed version
2
Record created
Thu, Jan 15, 2026 9:51 AM
Record versioned
Thu, Jan 15, 2026 11:58 PM
Coordinate source
Geometry

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