Crash View

A421 both directions A507 overbridge narrow lanes

Cleared

A421 both directions A507 overbridge narrow lanes

Start time
Fri, Aug 7, 2026 7:39 PM
Expected end
Sat, Aug 8, 2026 4:00 AM
Duration
1 hour 51 minutes 2 seconds
Road
A421 – Roundabout At M1 J13/A421 (Eastern)
Category
Road Maintenance
Direction
Clockwise
Carriageway
Dual Carriageway
Lanes affected
Lane 1 narrow
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Fri, Aug 7, 2026 7:39 PM
Last updated
Fri, Aug 7, 2026 9:07 PM
Cleared
Fri, Aug 7, 2026 9:30 PM
  • Latest update: A421 both directions A507 overbridge narrow lanes
Coordinates
52.027330, -0.603335
Latitude span
52.025672 – 52.028265
Longitude span
-0.605904 – -0.602580
Bounding box centre
52.026969, -0.604242
Location descriptions
  • roundabout at M1 J13/A421 (eastern)
  • Southbound connector at M1 J13/A421
  • connector at M1 J13/A421
Feed validity status
Active
Overall feed start
Fri, Aug 7, 2026 7:39 PM
Overall feed end
Sat, Aug 8, 2026 4:00 AM
Feed window length
8 hours 21 minutes
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)
true
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

8 coordinate pairs
Description
roundabout at M1 J13/A421 (eastern)
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{A006D9A7-E7DA-45A8-8057-B2BBBBF07B8D}
Linear Element Type
Other
From Distance
0 m
To Distance
34 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.027166 -0.602886
52.027151 -0.602954
52.027142 -0.603025
52.02714 -0.603097
52.027144 -0.603169
52.027154 -0.60324
52.027171 -0.603307
52.027193 -0.60337

Segment 2

5 coordinate pairs
Description
Southbound connector at M1 J13/A421
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 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
{C94506A0-4AA1-46C7-A049-F35046C63176}
Linear Element Type
Other
From Distance
168 m
To Distance
247 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.028265 -0.604231
52.027977 -0.60378
52.027821 -0.603529
52.027774 -0.603411
52.02777 -0.603396

Segment 3

6 coordinate pairs
Description
roundabout at M1 J13/A421 (eastern)
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{54F89C08-6A19-47C9-B4CB-C4A27631A5B4}
Linear Element Type
Other
From Distance
0 m
To Distance
24 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.027317 -0.60263
52.027278 -0.602666
52.027243 -0.60271
52.027212 -0.602763
52.027186 -0.602821
52.027166 -0.602886

Segment 4

10 coordinate pairs
Description
roundabout at M1 J13/A421 (eastern)
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{BAFA4607-9F98-4413-9E2C-4E35E6C20BAA}
Linear Element Type
Other
From Distance
0 m
To Distance
44 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.027764 -0.60315
52.027766 -0.603078
52.027762 -0.603006
52.027752 -0.602935
52.027735 -0.602868
52.027713 -0.602805
52.027686 -0.602748
52.027653 -0.602698
52.027617 -0.602655
52.027577 -0.602622

Segment 5

7 coordinate pairs
Description
roundabout at M1 J13/A421 (eastern)
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{DD18F128-05CC-4E90-B991-57B4D7DB7698}
Linear Element Type
Other
From Distance
14 m
To Distance
14 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.027577 -0.602622
52.027535 -0.602598
52.027491 -0.602584
52.027447 -0.60258
52.027402 -0.602587
52.027359 -0.602603
52.027317 -0.60263

Segment 6

6 coordinate pairs
Description
roundabout at M1 J13/A421 (eastern)
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{133913FF-1EBD-451D-898A-4D58EA0C2402}
Linear Element Type
Other
From Distance
0 m
To Distance
24 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.02737 -0.603577
52.027414 -0.603591
52.027459 -0.603595
52.027503 -0.603589
52.027547 -0.603572
52.027588 -0.603545

Segment 7

6 coordinate pairs
Description
connector at M1 J13/A421
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 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
{AE62757F-A6E8-496A-913C-8E5DAD7BE1AA}
Linear Element Type
Other
From Distance
196 m
To Distance
298 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.025884 -0.605904
52.025866 -0.605828
52.02577 -0.605354
52.025677 -0.604772
52.025672 -0.604512
52.025683 -0.604466

Segment 8

6 coordinate pairs
Description
roundabout at M1 J13/A421 (eastern)
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{AEC9910F-B12F-447A-85BF-864D2560BC9E}
Linear Element Type
Other
From Distance
0 m
To Distance
24 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.027193 -0.60337
52.02722 -0.603427
52.027252 -0.603478
52.027289 -0.60352
52.027328 -0.603553
52.02737 -0.603577

Segment 9

6 coordinate pairs
Description
roundabout at M1 J13/A421 (eastern)
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{375EB7B1-1649-46FB-A092-3FA970D99238}
Linear Element Type
Other
From Distance
0 m
To Distance
24 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.027588 -0.603545
52.027627 -0.603509
52.027662 -0.603465
52.027693 -0.603413
52.027719 -0.603354
52.02774 -0.60329

Segment 10

3 coordinate pairs
Description
roundabout at M1 J13/A421 (eastern)
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A421
Linear Element Model
The Network Model
Linear Element Id
{76DE8E76-C880-42B6-9EE2-C489A24BE912}
Linear Element Type
Other
From Distance
0 m
To Distance
9 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.02774 -0.60329
52.027755 -0.603221
52.027764 -0.60315
Geometry type
MultiLineString
Geometry points
63
First coordinate pair
-0.602886, 52.027166
Road section segments
1
Road section points
63
View geometry JSON 
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            ],
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            ],
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}
View road section coordinates 
[
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            -0.602886,
            52.027166
        ],
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        ],
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]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Restrictions in effect
Width restriction
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Fri, Aug 7, 2026 7:39 PM
Record versioned
Fri, Aug 7, 2026 9:07 PM
Coordinate source
Geometry

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

A421 live closures

Related incidents

A421 eastbound Renhold to Black Cat roundabout (MP 27/0 - 27/5)- lane 2 closure

Planned Roadworks National Highways
Bedford A421 · A421 Northbound Between A4280 And A1

Expected to clear in 7 months 3 weeks

Started 18 Aug 2025, 04:00 Expected clear 31 Mar 2027, 22:59

A421 eastbound Renhold to Black Cat roundabout (MP 27/0 - 27/5)- lane 2 closure

Category: Construction Work
View update

A421 both directions A507 overbridge narrow lanes

Cleared Roadworks National Highways
Aylesbury Vale A421 · Roundabout At M1 J13/A421 (Eastern)

Cleared 1 hour 21 minutes ago

Started 7 Aug 2026, 20:00 Ended 7 Aug 2026, 20:20

A421 both directions A507 overbridge narrow lanes

Category: Road Maintenance
View update

A421 eastbound A600 Interchange to Cardington Interchange carriageway closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A6 And A600

Cleared 1 hour 21 minutes ago

Started 7 Aug 2026, 19:00 Ended 7 Aug 2026, 20:20

A421 eastbound A600 Interchange to Cardington Interchange carriageway closure

Category: Road Maintenance
View update

A421 eastbound Approach to A600 Interchange lane 2 closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A6 And A600

Cleared 31 minutes 26 seconds ago

Started 7 Aug 2026, 19:00 Ended 7 Aug 2026, 21:10

A421 eastbound Approach to A600 Interchange lane 2 closure

Category: Road Maintenance
View update

A421 eastbound Approach to A600 Interchange lane 2 closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A6 And A600

Cleared 1 day 21 hours ago

Started 5 Aug 2026, 19:00 Ended 6 Aug 2026, 00:40

A421 eastbound Approach to A600 Interchange lane 2 closure

Category: Road Maintenance
View update

A421 eastbound A600 Interchange to Cardington Interchange carriageway closure

Cleared Roadworks National Highways
Bedford A421 · A421 Northbound Between A6 And A600

Cleared 1 day 19 hours ago

Started 5 Aug 2026, 19:00 Ended 6 Aug 2026, 02:20

A421 eastbound A600 Interchange to Cardington Interchange carriageway closure

Category: Road Maintenance
View update