A21 Northbound Jct Chipstead entry slip closure

Planned

Start time: Thu, Feb 26, 2026 10:00 PM
Expected end: Fri, Feb 27, 2026 5:00 AM
Duration: 7 hours
Road: M25 – M25 Anti-Clockwise Within J5
Category: Road Maintenance
Direction: Anticlockwise
Carriageway: Dual Carriageway
Reason: Maintenance Work

Active

Planned

Cleared

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First published: Fri, Feb 13, 2026 9:13 AM
Last updated: Wed, Feb 25, 2026 9:12 PM
Cleared: Fri, Feb 27, 2026 5:00 AM

Latest update: A21 Northbound Jct Chipstead entry slip closure

Coordinates: 51.282986, 0.146239
Latitude span: 51.281948 – 51.284735
Longitude span: 0.145404 – 0.146667
Bounding box centre: 51.283342, 0.146036
Location descriptions: M25 anti-clockwise within J5

M25 anti-clockwise access from A25

Feed validity status: Planned
Overall feed start: Thu, Feb 26, 2026 10:00 PM
Overall feed end: Fri, Feb 27, 2026 5:00 AM
Feed window length: 7 hours
Probability code (raw): probable
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: 161 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
51.284735 0.145404

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

51.281948 0.145879
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": [
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                0.146473,
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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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            ],
            [
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}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures