A12 northbound Jct 29 to 33 carriageway closure

Cleared

A12 northbound Jct 29 to 33 carriageway closure

Start time
Wed, Oct 29, 2025 9:00 PM
Expected end
Thu, Oct 30, 2025 5:00 AM
Duration
8 hours
Road
A12 – A12 Northbound Between B1029 And B1070
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
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First published
Mon, Oct 13, 2025 4:04 AM
Last updated
Wed, Oct 29, 2025 10:46 PM
Cleared
Thu, Oct 30, 2025 5:00 AM
  • Latest update: A12 northbound Jct 29 to 33 carriageway closure
Coordinates
51.977548, 1.003208
Latitude span
51.930958 – 52.019648
Longitude span
0.944180 – 1.078449
Bounding box centre
51.975303, 1.011315
Location descriptions
  • A12 northbound between B1029 and B1070
  • A12 northbound between B1070 and A14
  • A12 northbound between A120 near Colchester (east) and B1029
  • A12 northbound within the B1070 junction
  • A12 northbound access at a minor junction between B1070 and A14
  • A12 northbound within the B1029 junction
  • A12 northbound at a minor junction between A120 near Colchester (east) and B1029
Feed validity status
Planned
Overall feed start
Wed, Oct 29, 2025 9:00 PM
Overall feed end
Thu, Oct 30, 2025 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

3 coordinate pairs
Description
A12 northbound between B1029 and B1070
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{86D69312-BCCB-4C2F-B0AB-1F33724932B8}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
129 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.971559 0.982912
51.972242 0.984081
51.972363 0.984278

Segment 2

11 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{B83A4D8D-93DF-4958-9157-FABC97E7DC20}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
268 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.991412 1.026677
51.9916 1.027238
51.991908 1.02803
51.991957 1.028155
51.991961 1.028165
51.992209 1.028764
51.99238 1.029213
51.992457 1.029417
51.992462 1.029428
51.992537 1.029622
51.992686 1.030002

Segment 3

4 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{F373291E-F428-448A-AEE7-92D0BF86AB11}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
287 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.95339 0.962771
51.953434 0.962817
51.954293 0.964053
51.955327 0.96554

Segment 4

9 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{1C755D6C-8BCA-4DA4-8B21-A5E76C4D16A5}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
364 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
52.01744 1.07452
52.017713 1.074994
52.017921 1.07537
52.01811 1.07569
52.01824 1.075913
52.018521 1.076431
52.018873 1.077068
52.019217 1.077689
52.019648 1.078449

Segment 5

7 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{14B913C8-CAEB-4B1E-93F9-EDFF3517C35D}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
368 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
52.006549 1.060154
52.006931 1.060471
52.007087 1.060611
52.007563 1.061035
52.007915 1.061349
52.008774 1.062158
52.009422 1.062808

Segment 6

8 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
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
{30EF73A7-3EF7-41B4-95F5-0CCCAF8D152E}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
227 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.960272 0.97161
51.960299 0.971626
51.960459 0.971695
51.960655 0.971766
51.961012 0.971863
51.961549 0.971973
51.961844 0.972034
51.962286 0.972119

Segment 7

6 coordinate pairs
Description
A12 northbound between B1070 and A14
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{EBA6B01C-1B6E-4E6C-BBF5-BEDC067AC429}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
189 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
52.002926 1.057626
52.002927 1.057627
52.002974 1.057657
52.003612 1.058071
52.004301 1.058526
52.004505 1.058655

Segment 8

13 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
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
{998C460A-902D-4610-8657-5221B5FA112E}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
386 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.945277 0.957084
51.94548 0.957214
51.945728 0.957384
51.945878 0.957487
51.94648 0.957876
51.946701 0.958022
51.946914 0.958123
51.947056 0.958203
51.947615 0.958519
51.948466 0.959026
51.948499 0.959047
51.948519 0.959058
51.948525 0.959061

Segment 9

14 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{D379070F-796C-4161-8815-31DC248A9CAA}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
466 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.987413 1.009241
51.987436 1.009359
51.987472 1.009653
51.987533 1.010152
51.987609 1.010711
51.987708 1.011388
51.987754 1.011697
51.987825 1.012095
51.98787 1.012302
51.987938 1.012612
51.988144 1.01334
51.988349 1.014111
51.98853 1.014793
51.988748 1.015648

Segment 10

8 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
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
{40784D21-AB0F-4EA9-BDF7-BB5C62A14EAF}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
550 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.940835 0.953571
51.941827 0.954412
51.942462 0.954921
51.943114 0.955443
51.943547 0.955777
51.944164 0.956254
51.944906 0.956812
51.945277 0.957084

Segment 11

25 coordinate pairs
Description
A12 northbound between B1029 and B1070
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
{EC49CB83-AB88-4C2B-ABF9-763D94A92069}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
814 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.978428 0.990743
51.979098 0.991396
51.979668 0.991988
51.979835 0.992159
51.980035 0.992405
51.980131 0.992528
51.980235 0.992681
51.980312 0.992817
51.980415 0.993013
51.980484 0.993149
51.980569 0.993344
51.980695 0.993673
51.980853 0.994178
51.980951 0.994593
51.981162 0.99583
51.981287 0.996567
51.981383 0.997039
51.981432 0.997247
51.981497 0.997528
51.981746 0.998345
51.981838 0.998614
51.981968 0.998924
51.982075 0.999168
51.982418 0.999861
51.982521 1.000028

Segment 12

7 coordinate pairs
Description
A12 northbound between B1029 and B1070
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{753ED095-0D8D-4A47-9FD1-AB56F0201AE8}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
271 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.972363 0.984278
51.972847 0.985053
51.972977 0.985251
51.97336 0.985742
51.973464 0.98588
51.973849 0.986314
51.974254 0.986745

Segment 13

3 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{12C1FC14-AA6E-4B47-9DF3-7EEBF336F1E8}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
174 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.992686 1.030002
51.993329 1.031724
51.993485 1.032185

Segment 14

3 coordinate pairs
Description
A12 northbound within the B1070 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
{DBB7F057-5481-4047-9376-C646DD1CEC97}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
44 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.987284 1.008621
51.987349 1.008931
51.987413 1.009241

Segment 15

11 coordinate pairs
Description
A12 northbound between B1029 and B1070
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{EF937B71-B40F-448B-A06E-B0856AD4A128}
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
51.98515 1.003438
51.985342 1.003684
51.98554 1.004032
51.985678 1.00426
51.985798 1.004501
51.985926 1.004757
51.985986 1.004892
51.986155 1.005304
51.986257 1.005551
51.986416 1.005999
51.98692 1.007402

Segment 16

10 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
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
{9DBD4F5E-99B6-449C-8331-7C665C9742E9}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
404 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.948525 0.959061
51.948652 0.959123
51.948972 0.959277
51.949273 0.959457
51.950187 0.959954
51.950906 0.960336
51.95103 0.960417
51.951277 0.960594
51.951524 0.96077
51.95194 0.961074

Segment 17

8 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{DCA767AA-E346-457A-8453-321919DB93EF}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
370 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.990105 1.021731
51.99017 1.022027
51.990379 1.022994
51.990419 1.02318
51.990623 1.023995
51.990969 1.025213
51.991359 1.02652
51.991412 1.026677

Segment 18

8 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{813BF8A9-53ED-400E-9FC5-AFCF651D6BF2}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
991 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.995077 1.037874
51.99529 1.03869
51.996212 1.042337
51.996401 1.043034
51.997702 1.047989
51.99807 1.049427
51.998144 1.049709
51.998528 1.051178

Segment 19

13 coordinate pairs
Description
A12 northbound access at a minor junction between B1070 and A14
Lanes Restricted
1 lane 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
{C53E530F-7D26-4721-A39C-BA823F93D6C6}
Linear Element Type
A Carriageway Entry Slip
From Distance
9 m
To Distance
434 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
52.015101 1.069654
52.015238 1.070089
52.015298 1.070238
52.015331 1.070328
52.015529 1.070748
52.015872 1.071454
52.016308 1.072315
52.01648 1.072632
52.016617 1.072904
52.016986 1.073582
52.017296 1.074137
52.017382 1.07433
52.01744 1.07452

Segment 20

18 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{729A6E5F-4D66-4738-8D2A-FC303CD22D6A}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
637 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.998692 1.051787
51.998763 1.052026
51.998881 1.052427
51.999049 1.052908
51.999264 1.053433
51.999343 1.053587
51.99965 1.054214
51.999913 1.05467
52.000178 1.055091
52.000612 1.055691
52.000768 1.055882
52.001066 1.056208
52.001403 1.056542
52.001589 1.056706
52.001773 1.056861
52.001941 1.056983
52.002064 1.057067
52.002926 1.057626

Segment 21

4 coordinate pairs
Description
A12 northbound between B1029 and B1070
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{23D4607E-425E-41ED-A32C-0E82892EA9CC}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
93 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.98692 1.007402
51.986996 1.007596
51.987219 1.008354
51.987284 1.008621

Segment 22

7 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{14B913C8-CAEB-4B1E-93F9-EDFF3517C35D}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
359 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
52.006549 1.060154
52.006931 1.060471
52.007087 1.060611
52.007563 1.061035
52.007915 1.061349
52.008774 1.062158
52.009355 1.062741

Segment 23

13 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
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
{BE224BD1-D66B-4EEA-8A08-86EC0E706403}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
460 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.956905 0.967835
51.957087 0.96808
51.958015 0.969437
51.958563 0.970201
51.958624 0.970273
51.958825 0.97051
51.959044 0.970743
51.959334 0.971009
51.959651 0.971263
51.959713 0.971296
51.960006 0.971476
51.96013 0.971542
51.960272 0.97161

Segment 24

5 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{C1193369-174D-40F1-94E7-4C05E8A98C2A}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
199 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.95194 0.961074
51.952256 0.961371
51.952746 0.961913
51.95306 0.962298
51.95339 0.962771

Segment 25

3 coordinate pairs
Description
A12 northbound between B1070 and A14
Lanes Restricted
1 lane 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
{6E2AC2C4-F485-4496-94E4-83C0CBA980B9}
Linear Element Type
A Carriageway Entry Slip
From Distance
7 m
To Distance
62 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
52.006142 1.059695
52.006199 1.059752
52.006549 1.060154

Segment 26

19 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{0710D061-799A-481F-B930-D3EFEE8BA2A7}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
1,175 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.962644 0.972188
51.963115 0.972279
51.963652 0.972401
51.963946 0.972494
51.964044 0.972535
51.964231 0.972614
51.96432 0.972649
51.96463 0.97283
51.964957 0.973056
51.965204 0.973247
51.965459 0.973467
51.965766 0.973794
51.965906 0.973963
51.966236 0.974407
51.966375 0.974606
51.96686 0.975366
51.969095 0.978978
51.969924 0.980324
51.97097 0.98195

Segment 27

4 coordinate pairs
Description
A12 northbound between B1070 and A14
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{8ED4CA3E-98D4-48E5-9325-2E0A0D73FEF5}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
249 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
52.004505 1.058655
52.005672 1.059516
52.00616 1.059909
52.006549 1.060154

Segment 28

5 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{6F1E6B37-4FEE-4C71-A76E-FEA4184DB6AC}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
236 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.955327 0.96554
51.95582 0.96625
51.956723 0.967561
51.956861 0.967774
51.956905 0.967835

Segment 29

5 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
219 m
To Distance
314 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.930958 0.94418
51.931446 0.944477
51.931632 0.94459
51.93172 0.94463
51.931759 0.944631

Segment 30

3 coordinate pairs
Description
A12 northbound between B1029 and B1070
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
{599EA0BA-1958-46CD-AEF4-8BE59E51F792}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
26 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.975488 0.98801
51.975532 0.988042
51.975701 0.988186

Segment 31

3 coordinate pairs
Description
A12 northbound between B1029 and B1070
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
{7F21F1AE-AC75-40AB-AEA1-C260569D3FB1}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
45 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.982521 1.000028
51.982781 1.000439
51.982815 1.000485

Segment 32

9 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{3E85DEEC-B1EC-49BF-BF94-27AFF0E198B0}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
359 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.99379 1.033077
51.993805 1.033121
51.993822 1.033171
51.994055 1.033915
51.994113 1.034138
51.994309 1.034879
51.994904 1.037236
51.994953 1.037429
51.995077 1.037874

Segment 33

13 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
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
{FB6D5241-2BC6-4B8A-9630-FDD1A964394E}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
704 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
51.935414 0.949073
51.935724 0.949452
51.936158 0.949864
51.937123 0.950666

Segment 34

9 coordinate pairs
Description
A12 northbound between B1029 and B1070
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
{6B7A63AE-99AD-490F-8D30-503870DE4769}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
329 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.982815 1.000485
51.983058 1.000865
51.983847 1.001836
51.983947 1.001959
51.984166 1.002207
51.984881 1.003085
51.984994 1.003223
51.985005 1.003239
51.98515 1.003438

Segment 35

2 coordinate pairs
Description
A12 northbound between B1029 and B1070
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{753ED095-0D8D-4A47-9FD1-AB56F0201AE8}
Linear Element Type
A Carriageway
From Distance
271 m
To Distance
287 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.974254 0.986745
51.974375 0.986873

Segment 36

4 coordinate pairs
Description
A12 northbound within the B1029 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
{C12D03F2-B694-47E7-BFCC-F52D197C2D59}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
93 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.97097 0.98195
51.971233 0.982368
51.971475 0.982763
51.971559 0.982912

Segment 37

3 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{CCABA81A-F749-4301-BB19-FA2FE65751FD}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
70 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.993485 1.032185
51.993663 1.032709
51.99379 1.033077

Segment 38

3 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{AD261F31-A7E2-4152-9E51-E2135D69EFF3}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
45 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.998528 1.051178
51.998577 1.051371
51.998692 1.051787

Segment 39

2 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
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
{B9E8D942-2C18-454B-8CD6-5405EA25E6FE}
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
51.962286 0.972119
51.962644 0.972188

Segment 40

6 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
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
{2F3FEF2C-BA4C-47D3-B28E-FB03D1CD17A2}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
282 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.937123 0.950666
51.937348 0.950854
51.938338 0.951637
51.938689 0.951943
51.939111 0.952266
51.939401 0.952488

Segment 41

3 coordinate pairs
Description
A12 northbound between A120 near Colchester (east) and B1029
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
{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 42

4 coordinate pairs
Description
A12 northbound at a minor junction between A120 near Colchester (east) and B1029
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
{D42C1647-56FB-4DF5-9E66-1B42E4B1EC26}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
176 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.939401 0.952488
51.939903 0.952876
51.940379 0.953245
51.940835 0.953571

Segment 43

5 coordinate pairs
Description
A12 northbound between B1070 and A14
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
{B88CD35A-A90F-433B-91B2-BDB7826AA481}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
444 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.988748 1.015648
51.988832 1.015979
51.989219 1.017709
51.989814 1.020459
51.990105 1.021731

Segment 44

3 coordinate pairs
Description
A12 northbound between B1029 and B1070
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
{630EE45C-C43F-47D2-89B6-AFE59860FCB3}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
146 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.974375 0.986873
51.975031 0.987572
51.975488 0.98801

Segment 45

8 coordinate pairs
Description
A12 northbound between B1029 and B1070
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
{599EA0BA-1958-46CD-AEF4-8BE59E51F792}
Linear Element Type
A Carriageway
From Distance
26 m
To Distance
377 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.975701 0.988186
51.975919 0.988374
51.976272 0.988674
51.976545 0.988896
51.976931 0.989257
51.977484 0.989803
51.978335 0.990661
51.978428 0.990743
Geometry type
MultiLineString
Geometry points
334
First coordinate pair
0.982912, 51.971559
Road section segments
1
Road section points
334
View geometry JSON
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]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed region label
Colchester
Feed provider
National Highways
Data source
Roadworks
Feed version
6
Record created
Mon, Oct 13, 2025 4:04 AM
Record versioned
Wed, Oct 29, 2025 10:46 PM
Coordinate source
Geometry

Driving on the A12? See every live closure, roadwork and planned restriction on this road.

A12 live closures

Related 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 4 hours 4 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 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