Crash View

M25 Clockwise Jct 15 carriageway closure between exit and entry slip roads

Cleared

M25 Clockwise Jct 15 carriageway closure between exit and entry slip roads

Start time
Mon, Sep 21, 2026 9:00 PM
Expected end
Tue, Sep 22, 2026 4:30 AM
Duration
7 hours 30 minutes
Road
M25 – M25 Clockwise Within J15
Category
Road Maintenance
Direction
Clockwise
Carriageway
Dual Carriageway
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Mon, Sep 21, 2026 9:41 PM
Last updated
Tue, Sep 22, 2026 4:03 AM
Cleared
Tue, Sep 22, 2026 4:30 AM
  • Latest update: M25 Clockwise Jct 15 carriageway closure between exit and entry slip roads
Coordinates
51.496955, -0.495932
Latitude span
51.488932 – 51.507174
Longitude span
-0.501164 – -0.494388
Bounding box centre
51.498053, -0.497776
Location descriptions
  • M25 clockwise within J15
  • M25 clockwise between J15 and J16
  • M25 clockwise between J14 and J15
Feed validity status
Active
Overall feed start
Mon, Sep 21, 2026 9:00 PM
Overall feed end
Tue, Sep 22, 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
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

5 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{65CE30E3-7A4C-41DA-823C-7619E963541C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
129 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.491575 -0.494936
51.491913 -0.494832
51.491967 -0.494816
51.492487 -0.494684
51.492727 -0.49463

Segment 2

14 coordinate pairs
Description
M25 clockwise between J15 and J16
Carriageway
Dual Carriageway
Lanes Restricted
5 lanes restricted
Operational Lanes
0 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
{2BDC3047-4590-4816-9234-0E3B2BE4ADCF}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
486 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.50028 -0.495882
51.500289 -0.495886
51.500452 -0.495962
51.50067 -0.496085
51.50105 -0.496303
51.501458 -0.496578
51.501685 -0.496729
51.502039 -0.496991
51.502402 -0.497253
51.502493 -0.497322
51.502738 -0.497515
51.502929 -0.497696
51.503912 -0.498615
51.504213 -0.498893

Segment 3

8 coordinate pairs
Description
M25 clockwise between J15 and J16
Carriageway
Dual Carriageway
Lanes Restricted
5 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{546284DB-A449-4433-BDAE-4639BC6FD7A1}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
365 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.504213 -0.498893
51.505231 -0.499811
51.505804 -0.500282
51.505958 -0.500392
51.506539 -0.500791
51.506811 -0.500969
51.507137 -0.501146
51.507174 -0.501164

Segment 4

3 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{73DA57D5-AD60-41FB-B753-27F738B20256}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
37 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.491245 -0.495042
51.491286 -0.495026
51.491575 -0.494936

Segment 5

5 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{F7C0A765-9843-4C72-A12F-2590FD4B3614}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
128 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.492727 -0.49463
51.493016 -0.494565
51.493527 -0.494493
51.493545 -0.49449
51.493877 -0.49445

Segment 6

3 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{1A2185DA-2705-441D-B83B-37A671ABE89A}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
57 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.494893 -0.494388
51.495279 -0.49439
51.495405 -0.4944

Segment 7

3 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{D7313EF4-876B-4A88-ADD5-1C935CBF5346}
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 
51.49474 -0.494393
51.494749 -0.494393
51.494893 -0.494388

Segment 8

2 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{277F8558-7EF0-4EA8-9E45-69701DDC2A0C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
46 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.495405 -0.4944
51.49582 -0.494427

Segment 9

11 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{EC6BE8E8-4988-4596-BD3C-1D94A1D4F610}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
509 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.49582 -0.494427
51.496446 -0.494488
51.496946 -0.494567
51.49743 -0.494678
51.49776 -0.494763
51.498346 -0.494952
51.498651 -0.495058
51.499002 -0.495199
51.499354 -0.495312
51.499755 -0.495499
51.50028 -0.495882

Segment 10

3 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{E978DAE4-D4DA-455B-BBB4-D99CA0C2590C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
24 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.494524 -0.4944
51.494616 -0.494394
51.49474 -0.494393

Segment 11

3 coordinate pairs
Description
M25 clockwise between J14 and J15
Carriageway
Dual Carriageway
Lanes Restricted
7 lanes restricted
Operational Lanes
0 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
{2CCDA025-A96B-4559-9EDC-1A247E79C34B}
Linear Element Type
A Carriageway
From Distance
671 m
To Distance
709 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.488932 -0.496214
51.489061 -0.496136
51.489255 -0.496026

Segment 12

6 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{F018B9B3-32D0-4EFA-9E8B-72115F24DFDF}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
231 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.489255 -0.496026
51.489489 -0.495863
51.489846 -0.495664
51.490204 -0.495479
51.490857 -0.495198
51.491245 -0.495042

Segment 13

4 coordinate pairs
Description
M25 clockwise within J15
Carriageway
Dual Carriageway
Lanes Restricted
4 lanes restricted
Operational Lanes
0 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
{1C237D9F-9F03-45AC-9C18-EAFDB5DA87C2}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
72 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.493877 -0.49445
51.494111 -0.494428
51.494425 -0.494403
51.494524 -0.4944
Geometry type
MultiLineString
Geometry points
70
First coordinate pair
-0.494936, 51.491575
Road section segments
1
Road section points
70
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
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                -0.494936,
                51.491575
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                -0.494832,
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            ],
            [
                -0.494684,
                51.492487
            ],
            [
                -0.49463,
                51.492727
            ],
            [
                -0.495882,
                51.50028
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            ],
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            ],
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            ],
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                -0.498893,
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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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            ],
            [
                -0.494565,
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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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                -0.494388,
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            ],
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                -0.4944,
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            ],
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                -0.494427,
                51.49582
            ],
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                -0.494427,
                51.49582
            ],
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                -0.494488,
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            ],
            [
                -0.494567,
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            ],
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            ],
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                -0.494763,
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            ],
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                -0.494952,
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            ],
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                -0.495058,
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            ],
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            ],
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                -0.495312,
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            ],
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                -0.495499,
                51.499755
            ],
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            ],
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                -0.4944,
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            ],
            [
                -0.494394,
                51.494616
            ],
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                -0.494393,
                51.49474
            ],
            [
                -0.496214,
                51.488932
            ],
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                -0.496136,
                51.489061
            ],
            [
                -0.496026,
                51.489255
            ],
            [
                -0.496026,
                51.489255
            ],
            [
                -0.495863,
                51.489489
            ],
            [
                -0.495664,
                51.489846
            ],
            [
                -0.495479,
                51.490204
            ],
            [
                -0.495198,
                51.490857
            ],
            [
                -0.495042,
                51.491245
            ],
            [
                -0.49445,
                51.493877
            ],
            [
                -0.494428,
                51.494111
            ],
            [
                -0.494403,
                51.494425
            ],
            [
                -0.4944,
                51.494524
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -0.494936,
            51.491575
        ],
        [
            -0.494832,
            51.491913
        ],
        [
            -0.494816,
            51.491967
        ],
        [
            -0.494684,
            51.492487
        ],
        [
            -0.49463,
            51.492727
        ],
        [
            -0.495882,
            51.50028
        ],
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            -0.495886,
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        ],
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            -0.495962,
            51.500452
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            -0.496085,
            51.50067
        ],
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            -0.496303,
            51.50105
        ],
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            -0.496578,
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        ],
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            51.501685
        ],
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            -0.496991,
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        ],
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            -0.497253,
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        ],
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            -0.497322,
            51.502493
        ],
        [
            -0.497515,
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        ],
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            -0.497696,
            51.502929
        ],
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            -0.498615,
            51.503912
        ],
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            -0.498893,
            51.504213
        ],
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            -0.498893,
            51.504213
        ],
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        ],
        [
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            51.505804
        ],
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            51.505958
        ],
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        ],
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            -0.500969,
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        ],
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        ],
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            -0.501164,
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        ],
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        ],
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        ],
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        ],
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        ],
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            -0.494565,
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        ],
        [
            -0.494493,
            51.493527
        ],
        [
            -0.49449,
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        ],
        [
            -0.49445,
            51.493877
        ],
        [
            -0.494388,
            51.494893
        ],
        [
            -0.49439,
            51.495279
        ],
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            -0.4944,
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        ],
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            -0.494393,
            51.49474
        ],
        [
            -0.494393,
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        ],
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            -0.494388,
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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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        ],
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        ],
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        ],
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        ],
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            -0.495312,
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        ],
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            -0.495499,
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        ],
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            -0.495882,
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        ],
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            -0.4944,
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        ],
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            -0.494394,
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        ],
        [
            -0.494393,
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        ],
        [
            -0.496214,
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        ],
        [
            -0.496136,
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        ],
        [
            -0.496026,
            51.489255
        ],
        [
            -0.496026,
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        ],
        [
            -0.495863,
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        ],
        [
            -0.495664,
            51.489846
        ],
        [
            -0.495479,
            51.490204
        ],
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            -0.495198,
            51.490857
        ],
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            -0.495042,
            51.491245
        ],
        [
            -0.49445,
            51.493877
        ],
        [
            -0.494428,
            51.494111
        ],
        [
            -0.494403,
            51.494425
        ],
        [
            -0.4944,
            51.494524
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Mon, Sep 21, 2026 9:41 PM
Record versioned
Tue, Sep 22, 2026 4:03 AM
Coordinate source
Geometry

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Category: Road Maintenance
View update

M25 Clockwise jct 21 to Jct 21A Lane 4,3 closure

Planned Roadworks National Highways
St Albans M25 · M25 Clockwise Within J21

Starts in 1 hour 2 minutes

Starts 12 Oct 2026, 21:00 Expected clear 13 Oct 2026, 04:30

M25 Clockwise jct 21 to Jct 21A Lane 4,3 closure

Category: Road Maintenance
View update