Crash View

A12 northbound Jct 20B to Jct 22 lane closure (MP 135/0 to 139/0)

Cleared

A12 northbound Jct 20B to Jct 22 lane closure (MP 135/0 to 139/0)

Start time
Mon, May 11, 2026 8:00 PM
Expected end
Tue, May 12, 2026 4:00 AM
Duration
8 hours
Road
A12 – A12 Northbound Within The B1137 Junction
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Lanes affected
Lane 1 closed, 1 of 1 lanes affected
Reason
Roadworks
Active
Planned
Cleared
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First published
Mon, May 11, 2026 7:08 PM
Last updated
Mon, May 11, 2026 11:13 PM
Cleared
Tue, May 12, 2026 4:00 AM
  • Latest update: A12 northbound Jct 20B to Jct 22 lane closure (MP 135/0 to 139/0)
Coordinates
51.782555, 0.616401
Latitude span
51.775545 – 51.788185
Longitude span
0.589312 – 0.642147
Bounding box centre
51.781865, 0.615730
Location descriptions
  • 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
  • A12 northbound between B1137 and B1389 near Witham (south)
Feed validity status
Active
Overall feed start
Mon, May 11, 2026 8:00 PM
Overall feed end
Tue, May 12, 2026 4:00 AM
Feed window length
8 hours
Probability code (raw)
certain
Compliance option (raw)
mandatory
Source identification (raw)
roadworks
Management type value
other
Contra-flow flag (raw)
false
Width restriction flag (raw)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

6 coordinate pairs
Description
A12 northbound within the B1137 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
{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 2

21 coordinate pairs
Description
A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 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
738 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
51.788185 0.642147

Segment 3

5 coordinate pairs
Description
A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{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 4

12 coordinate pairs
Description
A12 northbound within the B1389 near Witham (south) 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
{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

7 coordinate pairs
Description
A12 northbound within the B1389 near Witham (south) 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
{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 6

7 coordinate pairs
Description
A12 northbound within the B1137 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
{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

8 coordinate pairs
Description
A12 northbound within the B1137 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
{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 8

6 coordinate pairs
Description
A12 northbound between B1389 near Witham (south) and B1389 near Witham (north)
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{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 9

2 coordinate pairs
Description
A12 northbound within the B1137 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
{4D8620D4-6B4A-4627-B3D2-E8E088C7B0C5}
Linear Element Type
A Carriageway
From Distance
434 m
To Distance
453 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.775545 0.589312
51.775621 0.58955

Segment 10

14 coordinate pairs
Description
A12 northbound between B1137 and B1389 near Witham (south)
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A12
Linear Element Model
The Network Model
Linear Element Id
{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
Geometry type
MultiLineString
Geometry points
88
First coordinate pair
0.593978, 51.776930
Road section segments
1
Road section points
88
View geometry JSON 
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View road section coordinates 
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        [
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            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
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed region label
Witham
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Mon, May 11, 2026 7:08 PM
Record versioned
Mon, May 11, 2026 11:13 PM
Coordinate source
Geometry

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