A421 eastbound A600 Jct to Black Cat Roundabout carriageway closure
ClearedA421 eastbound A600 Jct to Black Cat Roundabout carriageway closure
- Start time
- Mon, Jan 12, 2026 8:00 PM
- Expected end
- Tue, Jan 13, 2026 6:00 AM
- Duration
- 10 hours
- Road
- A421 – A421 Northbound Between A4280 And A1
- Category
- Road Maintenance
- Direction
- Eastbound
- Carriageway
- Dual Carriageway
- Reason
- Roadworks
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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- First published
- Thu, Dec 11, 2025 1:45 PM
- Last updated
- Mon, Jan 12, 2026 1:34 AM
- Cleared
- Tue, Jan 13, 2026 6:00 AM
- Latest update: A421 eastbound A600 Jct to Black Cat Roundabout carriageway closure
- Coordinates
- 52.152692, -0.376518
- Latitude span
- 52.116125 – 52.184942
- Longitude span
- -0.441316 – -0.305895
- Bounding box centre
- 52.150534, -0.373606
- Location descriptions
-
- A421 northbound between A4280 and A1
- A421 northbound between A603 and A4280
- roundabout at A1/A421
- A421 northbound between A600 and A603
- A421 northbound access from A603
- A421 northbound between A6 and A600
- A421 northbound access from A4280
- Feed validity status
- Planned
- Overall feed start
- Mon, Jan 12, 2026 8:00 PM
- Overall feed end
- Tue, Jan 13, 2026 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
8 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {10BD84F2-0C28-4FE4-8522-71B850B6E7A9}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 431 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.184614 -0.312151 52.184761 -0.311173 52.184896 -0.31004 52.18493 -0.309147 52.184942 -0.308127 52.184876 -0.307238 52.184734 -0.306095 52.184742 -0.305928
Segment 2
4 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {CFE667C0-B87B-4656-8AA0-8A602629C2FD}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 179 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.168537 -0.351859 52.168556 -0.351286 52.168558 -0.350448 52.168574 -0.349233
Segment 3
3 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {A0907D2B-FE9F-42CC-BB0A-F537783E843B}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 116 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.168574 -0.349233 52.168599 -0.348219 52.168625 -0.347535
Segment 4
10 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {0DF6F4C3-B339-F51E-C116-04F171D5DBE1}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 792 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.173428 -0.329495 52.173714 -0.328978 52.173985 -0.328543 52.174883 -0.327156 52.17629 -0.325353 52.176728 -0.324847 52.176731 -0.324843 52.177738 -0.323678 52.178686 -0.322547 52.178954 -0.322234
Segment 5
7 coordinate pairs- Description
- A421 northbound between A603 and A4280
- 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
- {D0BF256C-4BD4-4EB3-B7B4-BEFFB5AE0705}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 344 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.138623 -0.408149 52.138762 -0.407994 52.139363 -0.407272 52.13954 -0.407046 52.140088 -0.40634 52.140512 -0.405769 52.141041 -0.405014
Segment 6
2 coordinate pairs- Description
- roundabout at A1/A421
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- Clockwise
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- A1
- Linear Element Model
- The Network Model
- Linear Element Id
- {82E947A7-0D56-4064-BA0D-43CE06A4064C}
- Linear Element Type
- Other
- From Distance
- 0 m
- To Distance
- 4 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.184742 -0.305928 52.184778 -0.305895
Segment 7
10 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {5D5E96DF-FA06-4427-9F9C-7D7219175255}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 954 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.178954 -0.322234 52.180692 -0.320206 52.181646 -0.319086 52.182718 -0.317413 52.183046 -0.3168 52.183628 -0.315511 52.184047 -0.314303 52.184361 -0.313239 52.184586 -0.312307 52.184614 -0.312151
Segment 8
3 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {169DEDDB-B7BE-433C-9960-B2B47F8F1558}
- Linear Element Type
- A Carriageway
- From Distance
- 647 m
- To Distance
- 748 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.168468 -0.353327 52.16851 -0.352663 52.168537 -0.351859
Segment 9
12 coordinate pairs- Description
- A421 northbound between A600 and A603
- 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
- {CE9F674E-16D0-4D32-B50F-5C29D6247B88}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 577 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.117832 -0.434387 52.118114 -0.433238 52.118397 -0.432191 52.118637 -0.431336 52.11874 -0.430996 52.11893 -0.430391 52.119207 -0.429578 52.11951 -0.42872 52.119587 -0.428527 52.119841 -0.42789 52.12005 -0.427372 52.120237 -0.426936
Segment 10
14 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {A0907D2B-FE9F-42CC-BB0A-F537783E843B}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 1,487 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.168574 -0.349233 52.168599 -0.348219 52.168654 -0.346754 52.16874 -0.345621 52.168897 -0.3441 52.169221 -0.341881 52.169441 -0.340638 52.169977 -0.338227 52.170274 -0.337112 52.170836 -0.335339 52.171406 -0.33375 52.171979 -0.332371 52.172779 -0.330668 52.173428 -0.329495
Segment 11
13 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {061170C3-77A1-4319-A28C-CA44FF2019D9}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 993 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.154363 -0.381219 52.154787 -0.380692 52.155236 -0.380153 52.155595 -0.379771 52.155718 -0.379646 52.156605 -0.378742 52.157413 -0.378048 52.158319 -0.377324 52.159046 -0.376673 52.159922 -0.37585 52.161077 -0.374551 52.161869 -0.373545 52.161904 -0.373494
Segment 12
8 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {169DEDDB-B7BE-433C-9960-B2B47F8F1558}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 748 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.167003 -0.362447 52.167437 -0.360681 52.167749 -0.359084 52.168004 -0.357691 52.168224 -0.356089 52.168422 -0.354041 52.16851 -0.352663 52.168537 -0.351859
Segment 13
4 coordinate pairs- Description
- A421 northbound between A600 and A603
- 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
- {A8456E86-D912-4B1B-A887-40D2DA79BE7C}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 352 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.116655 -0.439161 52.116775 -0.438704 52.117466 -0.435905 52.117832 -0.434387
Segment 14
3 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {092BBE71-B517-4BBE-949F-D542B5A1A7FB}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 273 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.161904 -0.373494 52.162783 -0.372215 52.163677 -0.37073
Segment 15
7 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {05A6519F-5185-4F43-A53A-3297F8DA93C8}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 680 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.163677 -0.37073 52.16403 -0.370116 52.164972 -0.368181 52.165521 -0.366943 52.165905 -0.365922 52.166418 -0.364441 52.167003 -0.362447
Segment 16
18 coordinate pairs- Description
- A421 northbound between A603 and A4280
- 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
- {F3419297-9958-44C5-9BDF-22C24E516D49}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 979 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.130728 -0.414358 52.130755 -0.414343 52.131424 -0.413968 52.132379 -0.413409 52.133128 -0.412929 52.133965 -0.412373 52.134147 -0.412235 52.13449 -0.411975 52.135096 -0.411515 52.135451 -0.411225 52.136127 -0.410645 52.13666 -0.410173 52.137246 -0.409597 52.137574 -0.409264 52.138079 -0.408735 52.138611 -0.40816 52.138622 -0.408149 52.138623 -0.408149
Segment 17
4 coordinate pairs- Description
- A421 northbound between A4280 and A1
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {CFE667C0-B87B-4656-8AA0-8A602629C2FD}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 179 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.168537 -0.351859 52.168556 -0.351286 52.168558 -0.350448 52.168574 -0.349233
Segment 18
7 coordinate pairs- Description
- A421 northbound between A603 and A4280
- 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
- {ABA9F3D5-9098-47DE-85AE-05F4A7F87D8D}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 393 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.127467 -0.416563 52.127778 -0.416304 52.127787 -0.416303 52.128277 -0.415921 52.128668 -0.415629 52.12947 -0.41506 52.130728 -0.414358
Segment 19
15 coordinate pairs- Description
- A421 northbound access from A603
- Lanes Restricted
- 1 lane 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
- {67CED0D7-CC4E-492E-951F-A5CB1A126A11}
- Linear Element Type
- A Carriageway Entry Slip
- From Distance
- 5 m
- To Distance
- 384 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.124824 -0.419995 52.124841 -0.419914 52.124859 -0.419855 52.124893 -0.419766 52.124937 -0.419677 52.12499 -0.419572 52.125078 -0.419452 52.125555 -0.418793 52.125687 -0.418613 52.125908 -0.418357 52.126572 -0.417574 52.126626 -0.417517 52.126643 -0.417498 52.127166 -0.416939 52.127467 -0.416563
Segment 20
3 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
- {6BE549F9-7961-4A9A-80FF-2D8275379819}
- Linear Element Type
- A Carriageway
- From Distance
- 1,025 m
- To Distance
- 1,184 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.116125 -0.441316 52.116514 -0.439735 52.116655 -0.439161
Segment 21
10 coordinate pairs- Description
- A421 northbound access from A4280
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- A4280
- Linear Element Model
- The Network Model
- Linear Element Id
- {BBC6C434-5FDC-4A15-967D-BE7CE2AEFEF4}
- Linear Element Type
- A Carriageway Entry Slip
- From Distance
- 12 m
- To Distance
- 420 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
52.152247 -0.38592 52.152233 -0.385827 52.152222 -0.385648 52.152269 -0.385461 52.152417 -0.384977 52.152642 -0.38437 52.152931 -0.383668 52.153325 -0.38287 52.153561 -0.382489 52.154363 -0.381219
- Geometry type
- MultiLineString
- Geometry points
- 165
- First coordinate pair
- -0.312151, 52.184614
- Road section segments
- 1
- Road section points
- 165
View geometry JSON
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View road section coordinates
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- Cause type
- Road Maintenance
- Detailed cause
- Roadworks
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Thu, Dec 11, 2025 1:45 PM
- Record versioned
- Mon, Jan 12, 2026 1:34 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 Highways
Bedford
A1 · A1 Northbound Between B1041 And B661
Cleared 1 day 14 hours ago
Started 12 Jun 2026, 20:00
Ended 13 Jun 2026, 04:00
A1 northbound Wyboston to Buckden carriageway closure
Category: Road Maintenance
View update
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Cleared Roadworks National Highways
Bedford
A421 · A421 Northbound Within The A603 Junction
Cleared 1 day 18 hours ago
Started 12 Jun 2026, 19:06
Ended 13 Jun 2026, 00:00
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Category: Road Maintenance
View update
A421 westbound Approach to Cardington lane 2 closure
Cleared Roadworks National Highways
Bedford
A421 · A421 Southbound Between A4280 And A603
Cleared 1 day 13 hours ago
Started 12 Jun 2026, 19:00
Ended 13 Jun 2026, 05:00
A421 westbound Approach to Cardington lane 2 closure
Category: Road Maintenance
View update
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Cleared Roadworks National Highways
Bedford
A421 · A421 Northbound Within The A603 Junction
Cleared 1 day 23 hours ago
Started 12 Jun 2026, 19:00
Ended 12 Jun 2026, 19:00
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Category: Road Maintenance
View update
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Cleared Roadworks National Highways
Bedford
A421 · A421 Northbound Within The A603 Junction
Cleared 2 days 23 hours ago
Started 11 Jun 2026, 19:00
Ended 11 Jun 2026, 19:00
A421 eastbound Elstow to Cardington A603 Interchange lane 2 closure
Category: Road Maintenance
View update
A421 westbound Approach to Cardington lane 2 closure
Cleared Roadworks National Highways
Bedford
A421 · A421 Southbound Between A4280 And A603
Cleared 2 days 18 hours ago
Started 11 Jun 2026, 19:00
Ended 12 Jun 2026, 00:10
A421 westbound Approach to Cardington lane 2 closure
Category: Road Maintenance
View update