A421 eastbound Marston Moretaine to Marsh leys carriageway closure (MP 5/6 to 11/7)
ClearedA421 eastbound Marston Moretaine to Marsh leys carriageway closure (MP 5/6 to 11/7)
- Start time
- Wed, Mar 11, 2026 8:00 PM
- Expected end
- Thu, Mar 12, 2026 5:00 AM
- Duration
- 9 hours
- Road
- A421 – A421 Northbound Between M1 And A428
- Category
- Road Maintenance
- Direction
- Eastbound
- Carriageway
- Dual Carriageway
- Reason
- Maintenance Work
Move Insights
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- First published
- Wed, Mar 11, 2026 8:37 PM
- Last updated
- Thu, Mar 12, 2026 12:14 AM
- Cleared
- Thu, Mar 12, 2026 5:00 AM
- Latest update: A421 eastbound Marston Moretaine to Marsh leys carriageway closure (MP 5/6 to 11/7)
- Coordinates
- 52.084527, -0.527388
- Latitude span
- 52.064727 – 52.104903
- Longitude span
- -0.560493 – -0.498964
- Bounding box centre
- 52.084815, -0.529729
- Location descriptions
-
- A421 northbound between M1 and A428
- A421 northbound within A428
- A421 southbound between A428 and M1
- Feed validity status
- Active
- Overall feed start
- Wed, Mar 11, 2026 8:00 PM
- Overall feed end
- Thu, Mar 12, 2026 5:00 AM
- Feed window length
- 9 hours
- Probability code (raw)
- certain
- 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
8 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
- 0 m
- To Distance
- 946 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.092243 -0.515673 52.092909 -0.515064 52.09456 -0.513745 52.095941 -0.512769 52.097286 -0.511884 52.097731 -0.51162 52.09954 -0.510548 52.100041 -0.510174
Segment 2
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
- {A259F4F6-2F3E-4A74-B0DD-6B054F17A9B2}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 6 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.066429 -0.554148 52.066442 -0.5541 52.066454 -0.554057
Segment 3
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
- {D0D894A8-4854-41B1-9F5E-12B254FE8121}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 339 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.065201 -0.558687 52.065466 -0.55761 52.066429 -0.554148
Segment 4
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
Segment 5
4 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
- {9C9F9CF3-4D94-46B1-8DE7-B74293FAAAA4}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 319 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.066454 -0.554057 52.066793 -0.552872 52.06737 -0.551069 52.067787 -0.54993
Segment 6
2 coordinate pairs- Description
- A421 southbound between A428 and M1
- 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
- {000F70F7-EC68-493B-8017-67A2BD5C03AD}
- Linear Element Type
- B Carriageway
- From Distance
- 797 m
- To Distance
- 932 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.064727 -0.560493 52.065201 -0.558687
Segment 7
12 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
- Start2 End1
- Linear Element Road
- A421
- Linear Element Model
- The Network Model
- Linear Element Id
- {8B2F96CD-3F85-4A38-8CE6-2608AA8E5F4C}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 1,464 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.081423 -0.527693 52.081582 -0.527419 52.08245 -0.526106 52.083526 -0.524595 52.084201 -0.523711 52.085059 -0.522651 52.085919 -0.521679 52.086746 -0.520811 52.088951 -0.518743 52.089975 -0.517779 52.091194 -0.516632 52.092243 -0.515673
Segment 8
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
- {45E9DEC8-64F4-4588-8C86-3172930485C9}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 192 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.077502 -0.534851 52.077985 -0.534043 52.078692 -0.532813
Segment 9
12 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
- {C5008E43-C9F0-44EE-A62C-D6A1155BC601}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 1,503 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.067787 -0.54993 52.068251 -0.548661 52.06859 -0.547857 52.069013 -0.546996 52.070007 -0.545317 52.071342 -0.5433 52.07285 -0.541249 52.074353 -0.539225 52.075716 -0.537479 52.0763 -0.536674 52.077255 -0.535263 52.077502 -0.534851
Segment 10
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 11
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
- 423 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 52.104903 -0.498964
Segment 12
4 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 End2
- Linear Element Road
- A421
- Linear Element Model
- The Network Model
- Linear Element Id
- {43F61869-F7E2-461A-A7DA-D379E62265E6}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 241 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.079971 -0.530313 52.080083 -0.530093 52.081051 -0.528332 52.081423 -0.527693
Segment 13
2 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
- {EFB6CFEE-7DFB-4FE7-9C38-0398BED5D684}
- Linear Element Type
- B Carriageway
- From Distance
- 0 m
- To Distance
- 222 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.078692 -0.532813 52.079971 -0.530313
- Geometry type
- MultiLineString
- Geometry points
- 69
- First coordinate pair
- -0.515673, 52.092243
- Road section segments
- 1
- Road section points
- 69
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
- Certain
- Validity status
- Active
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Wed, Mar 11, 2026 8:37 PM
- Record versioned
- Thu, Mar 12, 2026 12:14 AM
- Coordinate source
- Geometry
Driving on the A421? See every live closure, roadwork and planned restriction on this road.
A421 live closuresRelated incidents
A1 northbound Wyboston to Buckden carriageway closure
Cleared Roadworks National HighwaysCleared 1 day 14 hours ago
A1 northbound Wyboston to Buckden carriageway closure
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Cleared Roadworks National HighwaysCleared 1 day 18 hours ago
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
A421 westbound Approach to Cardington lane 2 closure
Cleared Roadworks National HighwaysCleared 1 day 13 hours ago
A421 westbound Approach to Cardington lane 2 closure
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Cleared Roadworks National HighwaysCleared 1 day 23 hours ago
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Cleared Roadworks National HighwaysCleared 2 days 23 hours ago
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
A421 westbound Approach to Cardington lane 2 closure
Cleared Roadworks National HighwaysCleared 2 days 18 hours ago
A421 westbound Approach to Cardington lane 2 closure