Crash View

A12 northbound Jct 16 to 17 lane closure

Cleared

A12 northbound Jct 16 to 17 lane closure

Start time
Wed, Mar 11, 2026 9:00 PM
Expected end
Thu, Mar 12, 2026 5:00 AM
Duration
8 hours
Road
A12 – A12 Northbound Between A1114/A130 And A414 Near Chelmsford (East)
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Lanes affected
Lane 1 closed, 1 of 1 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
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First published
Wed, Mar 11, 2026 12:33 PM
Last updated
Wed, Mar 11, 2026 11:37 PM
Cleared
Thu, Mar 12, 2026 5:00 AM
  • Latest update: A12 northbound Jct 16 to 17 lane closure
Coordinates
51.693465, 0.488437
Latitude span
51.687118 – 51.707358
Longitude span
0.457237 – 0.521814
Bounding box centre
51.697238, 0.489526
Location descriptions
  • A12 northbound between A1114/A130 and A414 near Chelmsford (east)
  • A12 northbound within the A1114/A130 junction
  • A12 northbound between A414 near Chelmsford (west) and B1007
  • A12 northbound between B1007 and A1114/A130
  • A12 northbound within the B1007 junction
Feed validity status
Planned
Overall feed start
Wed, Mar 11, 2026 9:00 PM
Overall feed end
Thu, Mar 12, 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

3 coordinate pairs
Description
A12 northbound between A1114/A130 and A414 near Chelmsford (east)
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
{0233752B-B384-4D9C-827E-B98B07829418}
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 
51.704551 0.518523
51.706262 0.520528
51.707358 0.521814

Segment 2

9 coordinate pairs
Description
A12 northbound within the A1114/A130 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 End2
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{82F27AE2-C5C8-4C01-9E8F-28FE6071739D}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
380 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.700299 0.513018
51.700424 0.513213
51.700751 0.513723
51.701048 0.514145
51.701074 0.51418
51.701468 0.514704
51.701809 0.515157
51.702387 0.515881
51.702921 0.51655

Segment 3

6 coordinate pairs
Description
A12 northbound within the A1114/A130 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
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 4

7 coordinate pairs
Description
A12 northbound between A414 near Chelmsford (west) and B1007
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
{FFE36703-0E53-41D3-8754-11958D701DE0}
Linear Element Type
A Carriageway
From Distance
720 m
To Distance
951 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.68886 0.457237
51.688785 0.457412
51.6887 0.45761
51.688539 0.458007
51.688424 0.458319
51.688243 0.45883
51.687838 0.460139

Segment 5

2 coordinate pairs
Description
A12 northbound within the A1114/A130 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
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
0 m
To Distance
13 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.702921 0.51655
51.703017 0.516672

Segment 6

30 coordinate pairs
Description
A12 northbound between B1007 and A1114/A130
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
{CFB513D8-4188-4B20-A244-89310750D0A7}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
2,227 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.687283 0.468541
51.687317 0.468984
51.687362 0.469465
51.687393 0.469766
51.687422 0.470071
51.687529 0.470974
51.687645 0.471877
51.687693 0.472184
51.687741 0.472432
51.687845 0.473046
51.688113 0.474449
51.688399 0.475811
51.688604 0.476787
51.689018 0.478868
51.689543 0.481255
51.689815 0.482442
51.689973 0.483044
51.690058 0.483411
51.690451 0.485096
51.690686 0.486049
51.69094 0.487076
51.691006 0.487355
51.691271 0.488411
51.691554 0.489483
51.69189 0.49063
51.692352 0.49216
51.692729 0.493448
51.693278 0.495102
51.693429 0.495597
51.694416 0.498485

Segment 7

6 coordinate pairs
Description
A12 northbound between B1007 and A1114/A130
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
{C87ED182-551C-40A7-96C5-21253AEB1D64}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
651 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.694416 0.498485
51.695565 0.501801
51.695573 0.501816
51.69609 0.503335
51.696683 0.505032
51.697277 0.506715

Segment 8

11 coordinate pairs
Description
A12 northbound between B1007 and A1114/A130
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
{F32AFABF-AECC-4EC4-AB0A-F4233784C936}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
552 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.697277 0.506715
51.697633 0.507704
51.698009 0.508651
51.698437 0.50963
51.698902 0.510611
51.699117 0.511057
51.699317 0.511415
51.699325 0.51143
51.699507 0.511744
51.69962 0.511939
51.700299 0.513018

Segment 9

8 coordinate pairs
Description
A12 northbound within the B1007 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
{94F4D8B1-371B-4DFD-88D0-2B976DFA093D}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
230 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.687119 0.465228
51.687118 0.465309
51.687131 0.46605
51.687154 0.466803
51.687189 0.467477
51.687226 0.467995
51.687253 0.468317
51.687283 0.468541

Segment 10

11 coordinate pairs
Description
A12 northbound within the B1007 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
{727FD2E3-B548-4A71-8240-59A5275616B7}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
362 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.687838 0.460139
51.687798 0.460296
51.687661 0.460838
51.687511 0.461554
51.68742 0.462041
51.687327 0.462629
51.687261 0.463175
51.687216 0.463636
51.687167 0.464255
51.687126 0.464904
51.687119 0.465228
Geometry type
MultiLineString
Geometry points
93
First coordinate pair
0.518523, 51.704551
Road section segments
1
Road section points
93
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
Chelmsford
Feed provider
National Highways
Data source
Roadworks
Feed version
4
Record created
Wed, Mar 11, 2026 12:33 PM
Record versioned
Wed, Mar 11, 2026 11:37 PM
Coordinate source
Geometry

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

A12 live closures

Related incidents

A12 northbound Jct 11 to Jct 12 lane 2 closure

Cleared Roadworks National Highways
Havering A12 · A12 Northbound Between M25 And A1023

Cleared 12 hours 44 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 12 hours 44 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 12 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 18 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 20 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

A12 northbound Jct 15 to Jct 19 carriageway closure

Cleared Roadworks National Highways
Chelmsford A12 · A12 Northbound Between B1007 And A1114/A130

Cleared 1 day 20 hours ago

Started 12 Jun 2026, 20:00 Ended 12 Jun 2026, 20:00

A12 northbound Jct 15 to Jct 19 carriageway closure

Category: Road Maintenance
View update