M25 Anti-Clockwise Jct 21 to Jct 20 Carriageway, Link Road and Slip Road Closure

Cleared

M25 Anti-Clockwise Jct 21 to Jct 20 Carriageway, Link Road and Slip Road Closure

Start time
Sun, Jul 12, 2026 9:30 PM
Expected end
Mon, Jul 13, 2026 4:30 AM
Duration
7 hours
Road
M1 – Link Road From M1 J6A Southbound To M25 J21
Category
Road Maintenance
Direction
Southbound
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
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First published
Mon, Jul 13, 2026 3:27 AM
Last updated
Mon, Jul 13, 2026 4:11 AM
Cleared
Mon, Jul 13, 2026 4:30 AM
  • Latest update: M25 Anti-Clockwise Jct 21 to Jct 20 Carriageway, Link Road and Slip Road Closure
Coordinates
51.721562, -0.386631
Latitude span
51.719557 – 51.724563
Longitude span
-0.388312 – -0.385240
Bounding box centre
51.722060, -0.386776
Location descriptions
  • link road from M1 J6A southbound to M25 J21
  • link road from M1 J6A southbound to M25 J21 clockwise
Feed validity status
Active
Overall feed start
Sun, Jul 12, 2026 9:30 PM
Overall feed end
Mon, Jul 13, 2026 4:30 AM
Feed window length
7 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

5 coordinate pairs
Description
link road from M1 J6A southbound to M25 J21
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{A68C282A-A821-4122-830C-FDDA58AA06F8}
Linear Element Type
B Carriageway Exit Slip
From Distance
0 m
To Distance
186 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.721986 -0.38692
51.721578 -0.3867
51.721577 -0.386699
51.721087 -0.386395
51.720403 -0.386023

Segment 2

5 coordinate pairs
Description
link road from M1 J6A southbound to M25 J21
Lanes Restricted
4 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{C7145502-DFBF-4E4A-A222-8612CD579044}
Linear Element Type
B Carriageway Exit Slip
From Distance
0 m
To Distance
302 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.724563 -0.388312
51.723376 -0.387679
51.723097 -0.38753
51.722409 -0.387152
51.721986 -0.38692

Segment 3

4 coordinate pairs
Description
link road from M1 J6A southbound to M25 J21 clockwise
Lanes Restricted
3 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
{EFA2A8C0-340D-4C8C-8D70-C5BFC83E5ED2}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
108 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.720403 -0.386023
51.720038 -0.385739
51.719803 -0.385505
51.719557 -0.38524
Geometry type
MultiLineString
Geometry points
14
First coordinate pair
-0.386920, 51.721986
Road section segments
1
Road section points
14
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.38692,
                51.721986
            ],
            [
                -0.3867,
                51.721578
            ],
            [
                -0.386699,
                51.721577
            ],
            [
                -0.386395,
                51.721087
            ],
            [
                -0.386023,
                51.720403
            ],
            [
                -0.388312,
                51.724563
            ],
            [
                -0.387679,
                51.723376
            ],
            [
                -0.38753,
                51.723097
            ],
            [
                -0.387152,
                51.722409
            ],
            [
                -0.38692,
                51.721986
            ],
            [
                -0.386023,
                51.720403
            ],
            [
                -0.385739,
                51.720038
            ],
            [
                -0.385505,
                51.719803
            ],
            [
                -0.38524,
                51.719557
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -0.38692,
            51.721986
        ],
        [
            -0.3867,
            51.721578
        ],
        [
            -0.386699,
            51.721577
        ],
        [
            -0.386395,
            51.721087
        ],
        [
            -0.386023,
            51.720403
        ],
        [
            -0.388312,
            51.724563
        ],
        [
            -0.387679,
            51.723376
        ],
        [
            -0.38753,
            51.723097
        ],
        [
            -0.387152,
            51.722409
        ],
        [
            -0.38692,
            51.721986
        ],
        [
            -0.386023,
            51.720403
        ],
        [
            -0.385739,
            51.720038
        ],
        [
            -0.385505,
            51.719803
        ],
        [
            -0.38524,
            51.719557
        ]
    ]
]
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, Jul 13, 2026 3:27 AM
Record versioned
Mon, Jul 13, 2026 4:11 AM
Coordinate source
Geometry

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