Crash View

A421 eastbound Marsh Leys to Cardington carriageway closure

Cleared

A421 eastbound Marsh Leys to Cardington carriageway closure

Start time
Thu, Dec 4, 2025 8:00 PM
Expected end
Fri, Dec 5, 2025 6:00 AM
Duration
10 hours
Road
A421 – A421 Northbound Between A428 And A6
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Reason
Road Marking Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Thu, Dec 4, 2025 2:16 AM
Last updated
Thu, Dec 4, 2025 6:08 PM
Cleared
Fri, Dec 5, 2025 6:00 AM
  • Latest update: A421 eastbound Marsh Leys to Cardington carriageway closure
Coordinates
52.105022, -0.494296
Latitude span
52.098792 – 52.109548
Longitude span
-0.510991 – -0.468082
Bounding box centre
52.104170, -0.489537
Location descriptions
  • A421 northbound between A428 and A6
  • A421 northbound within A428
  • A421 northbound between A6 and A600
  • A421 northbound between M1 and A428
  • A421 northbound access from A6
  • A421 northbound access from A428
Feed validity status
Planned
Overall feed start
Thu, Dec 4, 2025 8:00 PM
Overall feed end
Fri, Dec 5, 2025 6:00 AM
Feed window length
10 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

13 coordinate pairs
Description
A421 northbound between A428 and A6
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{424904E7-C1FF-4482-B4B6-6EAD8A675F72}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
1,043 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.105059 -0.49752
52.105153 -0.496495
52.105225 -0.495719
52.10532 -0.494766
52.105398 -0.493858
52.105555 -0.492013
52.105745 -0.489875
52.105969 -0.487608
52.106028 -0.486946
52.106076 -0.486472
52.106173 -0.485509
52.106517 -0.482869
52.106573 -0.482495

Segment 2

7 coordinate pairs
Description
A421 northbound within A428
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{6132CF69-858D-4AB9-B24E-01A4983F5F63}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
523 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.103619 -0.504737
52.104168 -0.503051
52.104488 -0.501772
52.10462 -0.501121
52.104801 -0.499939
52.104875 -0.499222
52.105059 -0.49752

Segment 3

5 coordinate pairs
Description
A421 northbound between A428 and A6
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{424904E7-C1FF-4482-B4B6-6EAD8A675F72}
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 
52.105059 -0.49752
52.105153 -0.496495
52.105225 -0.495719
52.10532 -0.494766
52.105369 -0.494193

Segment 4

2 coordinate pairs
Description
A421 northbound within A428
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{1EF3147D-95A2-4FF3-A7B1-12A1A79B621B}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
81 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.103213 -0.505733
52.103619 -0.504737

Segment 5

4 coordinate pairs
Description
A421 northbound between A6 and A600
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{AFCF8C28-F38B-4E42-97C0-C05030B2509F}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
141 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.109075 -0.470005
52.10928 -0.46918
52.109527 -0.468164
52.109548 -0.468082

Segment 6

3 coordinate pairs
Description
A421 northbound between M1 and A428
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{1522D508-3D46-496B-A370-7FAC6999A89A}
Linear Element Type
A Carriageway
From Distance
797 m
To Distance
946 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.098792 -0.510991
52.09954 -0.510548
52.100041 -0.510174

Segment 7

7 coordinate pairs
Description
A421 northbound access from A6
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{3D7C8658-BC06-4C57-A88D-807E516DB83B}
Linear Element Type
A Carriageway Entry Slip
From Distance
10 m
To Distance
380 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.108271 -0.475225
52.108267 -0.474734
52.108304 -0.474383
52.108344 -0.473972
52.108434 -0.473312
52.108501 -0.472916
52.109075 -0.470005

Segment 8

10 coordinate pairs
Description
A421 northbound access from A428
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{8D706B1D-C0F5-42DA-89D7-EB514FB82EEE}
Linear Element Type
A Carriageway Entry Slip
From Distance
9 m
To Distance
552 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.104024 -0.505217
52.104017 -0.505109
52.104027 -0.504916
52.10436 -0.503565
52.104528 -0.502779
52.104696 -0.501776
52.104806 -0.501098
52.104919 -0.50014
52.105006 -0.499082
52.105059 -0.49752

Segment 9

7 coordinate pairs
Description
A421 northbound within A428
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{1E6236B2-7FC4-4516-8FFB-B59F7ACA853B}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
469 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.100041 -0.510174
52.100598 -0.509638
52.101243 -0.508931
52.101653 -0.508415
52.102074 -0.507812
52.10261 -0.506925
52.103213 -0.505733
Geometry type
MultiLineString
Geometry points
58
First coordinate pair
-0.497520, 52.105059
Road section segments
1
Road section points
58
View geometry JSON 
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}
View road section coordinates 
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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]
Cause type
Road Maintenance
Detailed cause
Road Marking Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
3
Record created
Thu, Dec 4, 2025 2:16 AM
Record versioned
Thu, Dec 4, 2025 6:08 PM
Coordinate source
Geometry

Driving on the A421? See every live closure, roadwork and planned restriction on this road.

A421 live closures

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