A12 both directions Jct 23 to Jct 17 mobile lane closures
ClearedA12 both directions Jct 23 to Jct 17 mobile lane closures
- Start time
- Mon, May 18, 2026 8:00 PM
- Expected end
- Tue, May 19, 2026 4:00 AM
- Duration
- 8 hours
- Road
- A12 – A12 Northbound Between A414 Near Chelmsford (East) And A138/A130
- Category
- Road Maintenance
- Direction
- Northbound
- Carriageway
- Dual Carriageway
- Lanes affected
- 2 of 1 lanes affected
- Reason
- Maintenance Work
Move Insights
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- First published
- Mon, May 18, 2026 2:41 PM
- Last updated
- Mon, May 18, 2026 11:53 PM
- Cleared
- Tue, May 19, 2026 4:00 AM
- Latest update: A12 both directions Jct 23 to Jct 17 mobile lane closures
- Coordinates
- 51.770718, 0.588834
- Latitude span
- 51.702949 – 51.823948
- Longitude span
- 0.516585 – 0.681257
- Bounding box centre
- 51.763449, 0.598921
- Location descriptions
-
- A12 northbound between A414 near Chelmsford (east) and A138/A130
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- A12 northbound within the B1137 junction
- A12 northbound between A138/A130 and B1137
- A12 northbound within the B1389 near Witham (north) junction
- A12 northbound within the A1114/A130 junction
- A12 northbound between A1114/A130 and A414 near Chelmsford (east)
- A12 northbound within the B1389 near Witham (south) junction
- A12 northbound within the A414 near Chelmsford (east) junction
- A12 northbound between B1137 and B1389 near Witham (south)
- A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (south)
- A12 northbound within the A138/A130 junction
- Feed validity status
- Planned
- Overall feed start
- Mon, May 18, 2026 8:00 PM
- Overall feed end
- Tue, May 19, 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
2 coordinate pairs- Description
- A12 northbound between A414 near Chelmsford (east) and A138/A130
- 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
- {3FE19545-EFEC-407D-8C8C-5AC6C435B60A}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 52 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.730608 0.523698 51.731061 0.52348
Segment 2
5 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- 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
- {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
Segment 3
16 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- 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
- {4F8C5543-B7C8-4439-B15C-366D5EB76DA3}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 660 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 51.79233 0.649643 51.792471 0.649767
Segment 4
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 5
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 6
2 coordinate pairs- Description
- A12 northbound between A414 near Chelmsford (east) and A138/A130
- 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
- {A1819F04-A51D-4FB7-8CD1-CBDA07879B75}
- 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
51.730527 0.523737 51.730608 0.523698
Segment 7
9 coordinate pairs- Description
- A12 northbound within the B1389 near Witham (north) 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
- {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 8
19 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
- {173DA207-55F2-41B0-B505-1EC0ABA18662}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 1,704 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.760562 0.528132 51.760721 0.528691 51.760795 0.529014 51.760911 0.52947 51.761406 0.531556 51.761555 0.532144 51.762099 0.534464 51.762156 0.534714 51.762255 0.535139 51.762519 0.536227 51.763403 0.539885 51.763659 0.540914 51.763875 0.541738 51.76425 0.543136 51.764801 0.545065 51.765078 0.54598 51.765648 0.547925 51.766052 0.54918 51.766574 0.550818
Segment 9
16 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- 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
- {5B19D5D6-21F7-4EBF-BE5B-8319F156DAA7}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 765 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.792471 0.649767 51.792611 0.649882 51.792701 0.649959 51.792915 0.650145 51.793418 0.650526 51.793667 0.650669 51.794181 0.650954 51.794467 0.651072 51.794747 0.651174 51.794822 0.651208 51.795041 0.651268 51.795209 0.651311 51.795253 0.651315 51.795456 0.651376 51.795949 0.651443 51.799155 0.651878
Segment 10
36 coordinate pairs- Description
- A12 northbound between A414 near Chelmsford (east) and A138/A130
- 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
- {A23B17E2-06CF-4F98-AA14-41D9999A7C19}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 2,287 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.731061 0.52348 51.731184 0.523421 51.731265 0.523382 51.731347 0.523358 51.732309 0.522948 51.732363 0.522927 51.732635 0.522821 51.733261 0.522581 51.733995 0.522319 51.73463 0.522092 51.735182 0.521906 51.735363 0.521844 51.735654 0.521729 51.736143 0.521554 51.73656 0.521418 51.736614 0.521392 51.73752 0.52108 51.739277 0.520512 51.739639 0.520401 51.740136 0.520284 51.740868 0.520122 51.741626 0.520005 51.742203 0.519936 51.742464 0.519921 51.742897 0.519887 51.743571 0.519896 51.74367 0.519901 51.744066 0.519894 51.744299 0.5199 51.74501 0.519918 51.745917 0.519947 51.746205 0.519956 51.748541 0.520071 51.749708 0.520151 51.750768 0.520224 51.751387 0.520273
Segment 11
6 coordinate pairs- Description
- A12 northbound within the A1114/A130 junction
- 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
- {FD7C814C-F2C5-422C-8EF7-382367AF4F48}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 213 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.703017 0.516672 51.703029 0.516687 51.703219 0.516929 51.703762 0.517581 51.704253 0.518188 51.704551 0.518523
Segment 12
7 coordinate pairs- Description
- A12 northbound between A1114/A130 and A414 near Chelmsford (east)
- 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
- {282B2954-A9B1-4775-8127-07A4236D870B}
- 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
51.715275 0.528413 51.715319 0.52843 51.715525 0.528485 51.715722 0.52854 51.715901 0.528564 51.716501 0.528684 51.716806 0.528716
Segment 13
12 coordinate pairs- Description
- A12 northbound within the B1389 near Witham (south) 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
- {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 14
11 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- 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
- {16A03B90-7C06-40FB-82EF-C5D7BFD711FD}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 839 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.800688 0.652088 51.802263 0.652304 51.802316 0.652311 51.803715 0.652512 51.803949 0.65254 51.806257 0.652848 51.806609 0.652893 51.807431 0.652988 51.807769 0.653035 51.808131 0.653114 51.8082 0.653134
Segment 15
2 coordinate pairs- Description
- A12 northbound within the A1114/A130 junction
- 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
- {25785AEB-7195-4256-A761-E9865304EFC1}
- Linear Element Type
- A Carriageway
- From Distance
- 3 m
- To Distance
- 13 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.702949 0.516585 51.703017 0.516672
Segment 16
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 17
9 coordinate pairs- Description
- A12 northbound within the A414 near Chelmsford (east) 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
- {A051067E-31C1-463C-AF37-9DC354B98263}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 388 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.716806 0.528716 51.71695 0.528724 51.717498 0.528769 51.718153 0.528835 51.718287 0.528842 51.718665 0.528849 51.719403 0.528803 51.719809 0.528753 51.720296 0.528679
Segment 18
6 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- 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
- {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 19
16 coordinate pairs- Description
- A12 northbound between A1114/A130 and A414 near Chelmsford (east)
- 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
- {C8044597-732C-4443-A7F8-77F03A8AB305}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 902 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.708087 0.522642 51.70864 0.523281 51.709501 0.524241 51.710318 0.525126 51.710987 0.5258 51.711525 0.526322 51.711966 0.526694 51.712196 0.526866 51.712427 0.527038 51.712941 0.527371 51.713412 0.527643 51.713848 0.527856 51.714071 0.527955 51.714507 0.528139 51.71473 0.528238 51.715275 0.528413
Segment 20
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 21
14 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
- 794 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.779045 0.604168 51.779222 0.604799 51.779626 0.60604 51.780285 0.607977 51.780309 0.60808 51.780352 0.608199 51.78047 0.608554 51.781203 0.610771 51.781271 0.610963 51.781568 0.611763 51.781789 0.612327 51.782107 0.612998 51.782288 0.613356 51.782677 0.614031
Segment 22
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 23
11 coordinate pairs- Description
- A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
- {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 24
10 coordinate pairs- Description
- A12 northbound between A414 near Chelmsford (east) and A138/A130
- 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
- {9458E586-0646-4555-8E3F-49CB394F5D3E}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 764 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.724022 0.527309 51.724204 0.527217 51.725196 0.526693 51.725541 0.52651 51.726287 0.526117 51.727635 0.525316 51.728692 0.524687 51.729466 0.524252 51.730284 0.523864 51.730527 0.523737
Segment 25
15 coordinate pairs- Description
- A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
- {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 26
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 27
14 coordinate pairs- Description
- A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (south)
- 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
- {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 28
6 coordinate pairs- Description
- A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
- {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 29
4 coordinate pairs- Description
- A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
- {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 30
7 coordinate pairs- Description
- A12 northbound within the B1389 near Witham (south) 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
- {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 31
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 32
11 coordinate pairs- Description
- A12 northbound within the A414 near Chelmsford (east) 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
- {D913F831-1C53-4E89-99F2-76DA8E359D79}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 426 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.720296 0.528679 51.720314 0.52868 51.720603 0.528624 51.721019 0.528531 51.721435 0.528424 51.722078 0.528214 51.722677 0.527972 51.722913 0.527869 51.723367 0.527649 51.723704 0.527465 51.724022 0.527309
Segment 33
3 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- 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
- {9BF084C6-FB9B-48E3-844A-247F89D53453}
- 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
51.799155 0.651878 51.799227 0.651888 51.800688 0.652088
Segment 34
12 coordinate pairs- Description
- A12 northbound within the A138/A130 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
- {EAF714F6-A7AE-4CEB-9E48-A546698B012D}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 562 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.751387 0.520273 51.752652 0.520402 51.752832 0.520426 51.753263 0.520465 51.753801 0.520538 51.754257 0.52065 51.754722 0.520792 51.755096 0.520943 51.755567 0.521187 51.755887 0.521364 51.756242 0.521601 51.756331 0.521664
Segment 35
4 coordinate pairs- Description
- A12 northbound between A1114/A130 and A414 near Chelmsford (east)
- 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
- {0233752B-B384-4D9C-827E-B98B07829418}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 485 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.704551 0.518523 51.706262 0.520528 51.707648 0.522154 51.708087 0.522642
Segment 36
21 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
- 0 m
- To Distance
- 1,589 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.766574 0.550818 51.767366 0.553283 51.767877 0.555008 51.768353 0.556716 51.768689 0.558025 51.768693 0.55804 51.768908 0.558893 51.769196 0.560112 51.769223 0.56023 51.76973 0.562418 51.769811 0.562829 51.76982 0.562873 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
Segment 37
4 coordinate pairs- Description
- A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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
- {708782F7-C168-4D65-ABE0-A1529437CCCB}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 152 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 51.823948 0.681257
Segment 38
3 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- 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
- {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
Segment 39
22 coordinate pairs- Description
- A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
- 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
- {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 40
5 coordinate pairs- Description
- A12 northbound between B1389 near Witham (north) and B1024 near Kelvedon (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 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 41
18 coordinate pairs- Description
- A12 northbound within the A138/A130 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
- {FB48DC03-6140-4A76-A445-C1892857EC01}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 661 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.756331 0.521664 51.756649 0.521899 51.756923 0.522132 51.757046 0.522255 51.757399 0.522579 51.75747 0.522655 51.757935 0.523174 51.758111 0.523372 51.758443 0.523825 51.758722 0.524218 51.75907 0.524773 51.759269 0.525132 51.75945 0.525476 51.759718 0.526012 51.760017 0.52671 51.76029 0.527421 51.760469 0.527866 51.760562 0.528132
- Geometry type
- MultiLineString
- Geometry points
- 407
- First coordinate pair
- 0.523698, 51.730608
- Road section segments
- 1
- Road section points
- 407
View geometry JSON
{
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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
- Chelmsford
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 2
- Record created
- Mon, May 18, 2026 2:41 PM
- Record versioned
- Mon, May 18, 2026 11:53 PM
- 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 HighwaysCleared 5 hours 38 minutes ago
A12 northbound Jct 11 to Jct 12 lane 2 closure
A12 northbound Jct 15 to Jct 19 carriageway closure
Cleared Roadworks National HighwaysCleared 5 hours 38 minutes ago
A12 northbound Jct 15 to Jct 19 carriageway closure
A12 northbound Ipswich Road exit slip carriageway closure
Cleared Roadworks National HighwaysCleared 1 day 5 hours ago
A12 northbound Ipswich Road exit slip carriageway closure
A12 northbound Jct 28 exit slip carriageway closure
Cleared Roadworks National HighwaysCleared 1 day 10 hours ago
A12 northbound Jct 28 exit slip carriageway closure
A12 northbound Jct 28 entry slip carriageway closure
Cleared Roadworks National HighwaysCleared 1 day 13 hours ago
A12 northbound Jct 28 entry slip carriageway closure
A12 northbound Jct 15 to Jct 19 carriageway closure
Cleared Roadworks National HighwaysCleared 1 day 13 hours ago
A12 northbound Jct 15 to Jct 19 carriageway closure