Crash View

M25 Clockwise Jct 20 to Jct 21A Lane 1,2 closure

Cleared

M25 Clockwise Jct 20 to Jct 21A Lane 1,2 closure

Start time
Thu, Jul 2, 2026 9:00 PM
Expected end
Fri, Jul 3, 2026 4:30 AM
Duration
3 hours 40 minutes 2 seconds
Road
M25 – M25 Clockwise Within J21
Category
Road Maintenance
Direction
Clockwise
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected, 2 of 3 lanes affected
Reason
Repair Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Thu, Jul 2, 2026 8:58 PM
Last updated
Fri, Jul 3, 2026 12:19 AM
Cleared
Fri, Jul 3, 2026 12:40 AM
  • Latest update: M25 Clockwise Jct 20 to Jct 21A Lane 1,2 closure
Coordinates
51.715348, -0.386945
Latitude span
51.713164 – 51.716539
Longitude span
-0.409731 – -0.364903
Bounding box centre
51.714852, -0.387317
Location descriptions
  • M25 clockwise within J21
  • M25 clockwise between J20 and J21
  • M25 clockwise within J21A
Feed validity status
Active
Overall feed start
Thu, Jul 2, 2026 9:00 PM
Overall feed end
Fri, Jul 3, 2026 4:30 AM
Feed window length
7 hours 30 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)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

11 coordinate pairs
Description
M25 clockwise within J21
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{E24E137F-B948-40D6-A77C-0EDE0FB9C843}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
684 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.716539 -0.380963
51.716495 -0.38023
51.716395 -0.378558
51.716379 -0.37835
51.716323 -0.377596
51.716225 -0.376854
51.716076 -0.375802
51.715917 -0.374697
51.715858 -0.374375
51.715756 -0.373815
51.715158 -0.371362

Segment 2

10 coordinate pairs
Description
M25 clockwise between J20 and J21
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{046FB3B0-89F0-4EC2-968D-D5F79D834093}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
394 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.714125 -0.39972
51.714128 -0.399601
51.714158 -0.399117
51.714164 -0.399013
51.714241 -0.398034
51.714299 -0.397458
51.714373 -0.396876
51.714416 -0.396574
51.714509 -0.395929
51.714801 -0.394126

Segment 3

2 coordinate pairs
Description
M25 clockwise within J21A
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{60FAF571-6E27-46C4-B135-7FBFBCCB6098}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
23 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.715158 -0.371362
51.715094 -0.371041

Segment 4

18 coordinate pairs
Description
M25 clockwise within J21
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{FC07E346-0B13-42E0-AFD2-0A3E1E93D665}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
632 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.714801 -0.394126
51.714972 -0.393241
51.715177 -0.39226
51.715218 -0.392084
51.71544 -0.391129
51.715605 -0.390417
51.715638 -0.390278
51.715703 -0.389977
51.715826 -0.38941
51.715985 -0.388543
51.71612 -0.387739
51.716148 -0.387529
51.716215 -0.387017
51.716252 -0.386639
51.716339 -0.385952
51.716344 -0.385908
51.716379 -0.385427
51.716383 -0.385353

Segment 5

2 coordinate pairs
Description
M25 clockwise within J21
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{5A455410-3E3F-4E9A-83D6-E4A19AC39AE1}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
21 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.716413 -0.385032
51.716425 -0.384719

Segment 6

10 coordinate pairs
Description
M25 clockwise within J21
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{29BB1E70-37D6-4EF4-9C4E-C430220FB45A}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
260 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.716425 -0.384719
51.716467 -0.38391
51.716473 -0.383765
51.716476 -0.383703
51.716519 -0.38301
51.716529 -0.382631
51.716536 -0.381765
51.716536 -0.381753
51.716537 -0.381446
51.716539 -0.380963

Segment 7

12 coordinate pairs
Description
M25 clockwise between J20 and J21
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{5342AF68-4779-4DBC-A30E-BC1467F9CAC3}
Linear Element Type
A Carriageway
From Distance
246 m
To Distance
938 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.714182 -0.409731
51.714177 -0.409179
51.714147 -0.408152
51.71414 -0.407919
51.714139 -0.407355
51.714134 -0.406679
51.714123 -0.405145
51.714111 -0.403634
51.71409 -0.402091
51.714083 -0.401328
51.714098 -0.400546
51.714125 -0.39972

Segment 8

2 coordinate pairs
Description
M25 clockwise within J21A
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{4FE71AF7-4A47-406F-8190-B602EDD5CAC9}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
47 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.715094 -0.371041
51.714909 -0.370415

Segment 9

7 coordinate pairs
Description
M25 clockwise within J21A
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{BFD51E23-9A42-4AB6-AFFF-220F45B1780A}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
427 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.714909 -0.370415
51.714843 -0.370204
51.714631 -0.369528
51.714264 -0.368353
51.713743 -0.366762
51.713428 -0.36576
51.713164 -0.364903

Segment 10

2 coordinate pairs
Description
M25 clockwise within J21
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{BFFD42BE-2665-4252-9CB5-AC4691B2D17A}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
17 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.716392 -0.385286
51.716413 -0.385032

Segment 11

2 coordinate pairs
Description
M25 clockwise within J21
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{DE22094C-805A-4254-ACF7-FE3F6C9E825C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
4 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.716383 -0.385353
51.716392 -0.385286
Geometry type
MultiLineString
Geometry points
78
First coordinate pair
-0.380963, 51.716539
Road section segments
1
Road section points
78
View geometry JSON 
{
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            ],
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            ],
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            ],
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                -0.403634,
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            ],
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                -0.402091,
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            ],
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            ],
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View road section coordinates 
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            -0.380963,
            51.716539
        ],
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]
Cause type
Road Maintenance
Detailed cause
Repair Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Jul 2, 2026 8:58 PM
Record versioned
Fri, Jul 3, 2026 12:19 AM
Coordinate source
Geometry

Driving on the M25? See every live closure, roadwork and planned restriction on this road.

M25 live closures

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Starts in 1 hour 25 minutes

Starts 7 Jul 2026, 21:00 Expected clear 8 Jul 2026, 04:30

M25 Anti-clockwise Jct 11 to Jct 10 carriageway closure

Category: Road Maintenance
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A414 eastbound Jct 8 entry slip road taper closure

Cleared Roadworks National Highways
St Albans A414 · A414 Eastbound Between A4147 And M1 J8

Cleared 34 minutes 5 seconds ago

Started 7 Jul 2026, 19:00 Ended 7 Jul 2026, 19:00

A414 eastbound Jct 8 entry slip road taper closure

Category: Road Maintenance
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A414 eastbound Park Street Roundabout to M1 Jct 8 carriageway closure

Cleared Roadworks National Highways
St Albans A414 · M1 Southbound Within J8

Cleared 34 minutes 5 seconds ago

Started 7 Jul 2026, 19:00 Ended 7 Jul 2026, 19:00

A414 eastbound Park Street Roundabout to M1 Jct 8 carriageway closure

Category: Road Maintenance
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