A21 Northbound Chipstead entry slip road closure

Cleared

A21 Northbound Chipstead entry slip road closure

Start time
Thu, Oct 1, 2026 9:00 PM
Expected end
Fri, Oct 2, 2026 4:30 AM
Duration
6 hours 55 minutes 2 seconds
Road
M25 – M25 Anti-Clockwise Within J5
Category
Construction Work
Direction
Anticlockwise
Carriageway
Dual Carriageway
Reason
Construction Work
Live incident
Active roadworks
Planned
Cleared
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First published
Thu, Oct 1, 2026 8:45 PM
Last updated
Fri, Oct 2, 2026 3:33 AM
Cleared
Fri, Oct 2, 2026 3:55 AM
  • Latest update: A21 Northbound Chipstead entry slip road closure
Coordinates
51.282989, 0.146236
Latitude span
51.281940 – 51.284822
Longitude span
0.145335 – 0.146667
Bounding box centre
51.283381, 0.146001
Location descriptions
  • M25 anti-clockwise within J5
  • M25 anti-clockwise access from A25
Feed validity status
Active
Overall feed start
Thu, Oct 1, 2026 9:00 PM
Overall feed end
Fri, Oct 2, 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 anti-clockwise within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Anticlockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{F733655D-00C5-42E7-9126-7D134214C90D}
Linear Element Type
B Carriageway Exit Slip
From Distance
0 m
To Distance
172 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.283449 0.146473
51.284025 0.145969
51.284189 0.145848
51.28428 0.145766
51.284822 0.145335

Segment 2

18 coordinate pairs
Description
M25 anti-clockwise access from A25
Lanes Restricted
1 lane restricted
Operational Lanes
0 operational lanes
Direction On Section
Anticlockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M25
Linear Element Model
The Network Model
Linear Element Id
{0A5B0659-C5BA-4687-B922-5FFB7FF08247}
Linear Element Type
B Carriageway Entry Slip
From Distance
0 m
To Distance
185 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.28194 0.145872
51.281958 0.145887
51.281994 0.145903
51.282146 0.145924
51.282244 0.145972
51.282306 0.146032
51.282429 0.146181
51.282596 0.146404
51.282658 0.146479
51.282737 0.14654
51.282835 0.146602
51.282906 0.146648
51.283005 0.146667
51.283113 0.146658
51.283167 0.146632
51.28323 0.146591
51.283267 0.146565
51.283449 0.146473
Geometry type
MultiLineString
Geometry points
23
First coordinate pair
0.146473, 51.283449
Road section segments
1
Road section points
23
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                0.146473,
                51.283449
            ],
            [
                0.145969,
                51.284025
            ],
            [
                0.145848,
                51.284189
            ],
            [
                0.145766,
                51.28428
            ],
            [
                0.145335,
                51.284822
            ],
            [
                0.145872,
                51.28194
            ],
            [
                0.145887,
                51.281958
            ],
            [
                0.145903,
                51.281994
            ],
            [
                0.145924,
                51.282146
            ],
            [
                0.145972,
                51.282244
            ],
            [
                0.146032,
                51.282306
            ],
            [
                0.146181,
                51.282429
            ],
            [
                0.146404,
                51.282596
            ],
            [
                0.146479,
                51.282658
            ],
            [
                0.14654,
                51.282737
            ],
            [
                0.146602,
                51.282835
            ],
            [
                0.146648,
                51.282906
            ],
            [
                0.146667,
                51.283005
            ],
            [
                0.146658,
                51.283113
            ],
            [
                0.146632,
                51.283167
            ],
            [
                0.146591,
                51.28323
            ],
            [
                0.146565,
                51.283267
            ],
            [
                0.146473,
                51.283449
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            0.146473,
            51.283449
        ],
        [
            0.145969,
            51.284025
        ],
        [
            0.145848,
            51.284189
        ],
        [
            0.145766,
            51.28428
        ],
        [
            0.145335,
            51.284822
        ],
        [
            0.145872,
            51.28194
        ],
        [
            0.145887,
            51.281958
        ],
        [
            0.145903,
            51.281994
        ],
        [
            0.145924,
            51.282146
        ],
        [
            0.145972,
            51.282244
        ],
        [
            0.146032,
            51.282306
        ],
        [
            0.146181,
            51.282429
        ],
        [
            0.146404,
            51.282596
        ],
        [
            0.146479,
            51.282658
        ],
        [
            0.14654,
            51.282737
        ],
        [
            0.146602,
            51.282835
        ],
        [
            0.146648,
            51.282906
        ],
        [
            0.146667,
            51.283005
        ],
        [
            0.146658,
            51.283113
        ],
        [
            0.146632,
            51.283167
        ],
        [
            0.146591,
            51.28323
        ],
        [
            0.146565,
            51.283267
        ],
        [
            0.146473,
            51.283449
        ]
    ]
]
Cause type
Construction Work
Detailed cause
Construction Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
2
Record created
Thu, Oct 1, 2026 8:45 PM
Record versioned
Fri, Oct 2, 2026 3:33 AM
Coordinate source
Geometry

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