A12 northbound Jct 20A to Jct 21 lane 2 closure (MP 135/2 to 137/7)

Cleared

A12 northbound Jct 20A to Jct 21 lane 2 closure (MP 135/2 to 137/7)

Start time
Thu, Jun 18, 2026 8:00 PM
Expected end
Fri, Jun 19, 2026 4:00 AM
Duration
7 hours 35 minutes 1 second
Road
A12 – A12 Northbound Between B1137 And B1389 Near Witham (South)
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 closed, 1 of 1 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment
Planning history
EPC ratings & more
First published
Thu, May 21, 2026 10:07 AM
Last updated
Fri, Jun 19, 2026 3:19 AM
Cleared
Fri, Jun 19, 2026 3:35 AM
  • Latest update: A12 northbound Jct 20A to Jct 21 lane 2 closure (MP 135/2 to 137/7)
Coordinates
51.781302, 0.609494
Latitude span
51.776243 – 51.785333
Longitude span
0.591546 – 0.624792
Bounding box centre
51.780788, 0.608169
Location descriptions
  • A12 northbound between B1137 and B1389 near Witham (south)
  • A12 northbound within the B1137 junction
  • A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
  • A12 northbound within the B1389 near Witham (south) junction
Feed validity status
Planned
Overall feed start
Thu, Jun 18, 2026 8:00 PM
Overall feed end
Fri, Jun 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

14 coordinate pairs
Description
A12 northbound between B1137 and B1389 near Witham (south)
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{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 2

5 coordinate pairs
Description
A12 northbound within the B1137 junction
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{C0CD02CD-8BEA-4E6C-9391-702A4E5B0F0C}
Linear Element Type
A Carriageway
From Distance
154 m
To Distance
338 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.776243 0.591546
51.776275 0.591654
51.77641 0.592144
51.776703 0.59315
51.77693 0.593978

Segment 3

5 coordinate pairs
Description
A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{80A2F75D-3591-4406-8706-FADF3B0E21CA}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
292 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
51.785333 0.624792

Segment 4

12 coordinate pairs
Description
A12 northbound within the B1389 near Witham (south) junction
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{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 5

6 coordinate pairs
Description
A12 northbound within the B1137 junction
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{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 6

7 coordinate pairs
Description
A12 northbound within the B1137 junction
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{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 7

7 coordinate pairs
Description
A12 northbound within the B1389 near Witham (south) junction
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
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
{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
Geometry type
MultiLineString
Geometry points
56
First coordinate pair
0.604168, 51.779045
Road section segments
1
Road section points
56
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.604168,
                51.779045
            ],
            [
                0.604799,
                51.779222
            ],
            [
                0.60604,
                51.779626
            ],
            [
                0.607977,
                51.780285
            ],
            [
                0.60808,
                51.780309
            ],
            [
                0.608199,
                51.780352
            ],
            [
                0.608554,
                51.78047
            ],
            [
                0.610771,
                51.781203
            ],
            [
                0.610963,
                51.781271
            ],
            [
                0.611763,
                51.781568
            ],
            [
                0.612327,
                51.781789
            ],
            [
                0.612998,
                51.782107
            ],
            [
                0.613356,
                51.782288
            ],
            [
                0.614031,
                51.782677
            ],
            [
                0.591546,
                51.776243
            ],
            [
                0.591654,
                51.776275
            ],
            [
                0.592144,
                51.77641
            ],
            [
                0.59315,
                51.776703
            ],
            [
                0.593978,
                51.77693
            ],
            [
                0.620599,
                51.784923
            ],
            [
                0.621854,
                51.785057
            ],
            [
                0.622685,
                51.785138
            ],
            [
                0.622758,
                51.785145
            ],
            [
                0.624792,
                51.785333
            ],
            [
                0.614031,
                51.782677
            ],
            [
                0.614211,
                51.782772
            ],
            [
                0.614808,
                51.783074
            ],
            [
                0.615407,
                51.783393
            ],
            [
                0.615706,
                51.783557
            ],
            [
                0.616078,
                51.78372
            ],
            [
                0.616361,
                51.78384
            ],
            [
                0.616628,
                51.783951
            ],
            [
                0.616894,
                51.784044
            ],
            [
                0.617161,
                51.784146
            ],
            [
                0.617304,
                51.784194
            ],
            [
                0.617556,
                51.78428
            ],
            [
                0.593978,
                51.77693
            ],
            [
                0.595184,
                51.777229
            ],
            [
                0.596482,
                51.777553
            ],
            [
                0.598186,
                51.777938
            ],
            [
                0.599302,
                51.778175
            ],
            [
                0.599624,
                51.778239
            ],
            [
                0.599624,
                51.778239
            ],
            [
                0.59983,
                51.77828
            ],
            [
                0.600401,
                51.778375
            ],
            [
                0.602359,
                51.778638
            ],
            [
                0.602974,
                51.77875
            ],
            [
                0.603238,
                51.778807
            ],
            [
                0.604168,
                51.779045
            ],
            [
                0.617556,
                51.78428
            ],
            [
                0.617678,
                51.784305
            ],
            [
                0.618768,
                51.784595
            ],
            [
                0.619663,
                51.784773
            ],
            [
                0.620264,
                51.784886
            ],
            [
                0.620454,
                51.784909
            ],
            [
                0.620599,
                51.784923
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            0.604168,
            51.779045
        ],
        [
            0.604799,
            51.779222
        ],
        [
            0.60604,
            51.779626
        ],
        [
            0.607977,
            51.780285
        ],
        [
            0.60808,
            51.780309
        ],
        [
            0.608199,
            51.780352
        ],
        [
            0.608554,
            51.78047
        ],
        [
            0.610771,
            51.781203
        ],
        [
            0.610963,
            51.781271
        ],
        [
            0.611763,
            51.781568
        ],
        [
            0.612327,
            51.781789
        ],
        [
            0.612998,
            51.782107
        ],
        [
            0.613356,
            51.782288
        ],
        [
            0.614031,
            51.782677
        ],
        [
            0.591546,
            51.776243
        ],
        [
            0.591654,
            51.776275
        ],
        [
            0.592144,
            51.77641
        ],
        [
            0.59315,
            51.776703
        ],
        [
            0.593978,
            51.77693
        ],
        [
            0.620599,
            51.784923
        ],
        [
            0.621854,
            51.785057
        ],
        [
            0.622685,
            51.785138
        ],
        [
            0.622758,
            51.785145
        ],
        [
            0.624792,
            51.785333
        ],
        [
            0.614031,
            51.782677
        ],
        [
            0.614211,
            51.782772
        ],
        [
            0.614808,
            51.783074
        ],
        [
            0.615407,
            51.783393
        ],
        [
            0.615706,
            51.783557
        ],
        [
            0.616078,
            51.78372
        ],
        [
            0.616361,
            51.78384
        ],
        [
            0.616628,
            51.783951
        ],
        [
            0.616894,
            51.784044
        ],
        [
            0.617161,
            51.784146
        ],
        [
            0.617304,
            51.784194
        ],
        [
            0.617556,
            51.78428
        ],
        [
            0.593978,
            51.77693
        ],
        [
            0.595184,
            51.777229
        ],
        [
            0.596482,
            51.777553
        ],
        [
            0.598186,
            51.777938
        ],
        [
            0.599302,
            51.778175
        ],
        [
            0.599624,
            51.778239
        ],
        [
            0.599624,
            51.778239
        ],
        [
            0.59983,
            51.77828
        ],
        [
            0.600401,
            51.778375
        ],
        [
            0.602359,
            51.778638
        ],
        [
            0.602974,
            51.77875
        ],
        [
            0.603238,
            51.778807
        ],
        [
            0.604168,
            51.779045
        ],
        [
            0.617556,
            51.78428
        ],
        [
            0.617678,
            51.784305
        ],
        [
            0.618768,
            51.784595
        ],
        [
            0.619663,
            51.784773
        ],
        [
            0.620264,
            51.784886
        ],
        [
            0.620454,
            51.784909
        ],
        [
            0.620599,
            51.784923
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed region label
Witham
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, May 21, 2026 10:07 AM
Record versioned
Fri, Jun 19, 2026 3:19 AM
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 22 to Jct 23 lane 2 closure (MP 140/9 to 145/3)

Planned Roadworks National Highways
Maldon A12 · A12 Northbound Between B1389 Near Witham (North) And B1024 Near Kelvedon (South)

Starts in 6 hours 1 minute

Starts 7 Jul 2026, 20:00 Expected clear 8 Jul 2026, 04:00

A12 northbound Jct 22 to Jct 23 lane 2 closure (MP 140/9 to 145/3)

Category: Road Maintenance
View update

A12 northbound Jct 23 to Jct 24 lane 2 closure (MP 143/4 to 149/2)

Cleared Roadworks National Highways
Braintree A12 · A12 Northbound Between B1024 Near Kelvedon (South) And B1024 Near Kelvedon (North)

Cleared 9 hours 58 minutes ago

Started 6 Jul 2026, 20:00 Ended 7 Jul 2026, 04:00

A12 northbound Jct 23 to Jct 24 lane 2 closure (MP 143/4 to 149/2)

Category: Road Maintenance
View update

A12 southbound Jct 19 to Jct 15 carriageway closure

Cleared Roadworks National Highways
Chelmsford A12 · A12 Southbound Between A138/A130 And A414 Near Chelmsford (East)

Cleared 1 day 9 hours ago

Started 5 Jul 2026, 20:00 Ended 6 Jul 2026, 04:00

A12 southbound Jct 19 to Jct 15 carriageway closure

Category: Road Maintenance
View update

A12 southbound Ipswich Road entry slip road closure

Cleared Roadworks National Highways
Colchester A12 · A12 Southbound Access At A Minor Junction Between B1029 And A120 Near Colchester (East)

Cleared 3 days 14 hours ago

Started 3 Jul 2026, 21:00 Ended 3 Jul 2026, 23:35

A12 southbound Ipswich Road entry slip road closure

Category: Road Maintenance
View update

A12 northbound Jct 11 to Jct 12 lane 2 closure (MP 102/2 to 103/0)

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

Cleared 3 days 9 hours ago

Started 3 Jul 2026, 20:00 Ended 4 Jul 2026, 04:00

A12 northbound Jct 11 to Jct 12 lane 2 closure (MP 102/2 to 103/0)

Category: Road Maintenance
View update

A12 northbound Jct 23 to Jct 25 lane 2 closure (MP 147/0 to 153/2)

Cleared Roadworks National Highways
Colchester A12 · A12 Northbound Between B1024 Near Kelvedon (North) And A120 Near Colchester (West)

Cleared 3 days 10 hours ago

Started 3 Jul 2026, 20:00 Ended 4 Jul 2026, 03:50

A12 northbound Jct 23 to Jct 25 lane 2 closure (MP 147/0 to 153/2)

Category: Road Maintenance
View update