M25 Clockwise Jct 20 to Jct 21 Lane 3,2 leading to a 4,3 closure
ClearedM25 Clockwise Jct 20 to Jct 21 Lane 3,2 leading to a 4,3 closure
- Start time
- Sun, Jul 26, 2026 10:55 PM
- Expected end
- Mon, Jul 27, 2026 4:30 AM
- Duration
- 1 hour 35 minutes 1 second
- Road
- M25 – M25 Clockwise Between J20 And J21
- Category
- Road Maintenance
- Direction
- Clockwise
- Carriageway
- Dual Carriageway
- Lanes affected
- 3 of 2 lanes affected, 3 of 1 lanes affected
- Reason
- Roadworks
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
Move Insights
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Flood risk assessment
Planning history
EPC ratings & more
- First published
- Sun, Jul 26, 2026 10:56 PM
- Last updated
- Sun, Jul 26, 2026 11:58 PM
- Cleared
- Mon, Jul 27, 2026 12:30 AM
- Latest update: M25 Clockwise Jct 20 to Jct 21 Lane 3,2 leading to a 4,3 closure
- Coordinates
- 51.706609, -0.434708
- Latitude span
- 51.698580 – 51.713116
- Longitude span
- -0.445118 – -0.422524
- Bounding box centre
- 51.705848, -0.433821
- Location descriptions
-
- M25 clockwise between J20 and J21
- M25 clockwise within J20
- Feed validity status
- Active
- Overall feed start
- Sun, Jul 26, 2026 10:55 PM
- Overall feed end
- Mon, Jul 27, 2026 4:30 AM
- Feed window length
- 5 hours 35 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
17 coordinate pairs- Description
- M25 clockwise between J20 and J21
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {1733476C-17D3-470A-B027-A6606FC3981D}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 541 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.709544 -0.430958 51.709728 -0.430671 51.710098 -0.430079 51.710572 -0.429252 51.71073 -0.428942 51.710774 -0.428869 51.711022 -0.428354 51.711115 -0.428176 51.71129 -0.427794 51.711535 -0.42725 51.711607 -0.427074 51.711926 -0.426295 51.712057 -0.425972 51.712187 -0.425635 51.71223 -0.425503 51.712317 -0.42524 51.712483 -0.42475
Segment 2
16 coordinate pairs- Description
- M25 clockwise between J20 and J21
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 2 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
- {7661581F-83B2-4CA3-976C-6716D3D41D83}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 714 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.704899 -0.43806 51.705241 -0.437426 51.705355 -0.437214 51.705662 -0.436644 51.705706 -0.436567 51.706058 -0.43595 51.706321 -0.435478 51.706682 -0.434901 51.706772 -0.434768 51.70737 -0.433879 51.707715 -0.433418 51.708563 -0.432318 51.708766 -0.43205 51.709331 -0.431278 51.709481 -0.431056 51.709544 -0.430958
Segment 3
5 coordinate pairs- Description
- M25 clockwise within J20
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 1 operational lane
- Direction On Section
- Clockwise
- Direction Relative
- Aligned
- Height Grade
- Start1 End2
- Linear Element Road
- M25
- Linear Element Model
- The Network Model
- Linear Element Id
- {9F357205-6DDA-484A-BAC7-241D28B4E695}
- Linear Element Type
- A Carriageway
- From Distance
- 467 m
- To Distance
- 649 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.69858 -0.445118 51.698965 -0.444877 51.699356 -0.444589 51.699846 -0.444225 51.700068 -0.444029
Segment 4
5 coordinate pairs- Description
- M25 clockwise between J20 and J21
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 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
- {E9F2DFB7-E149-4FD5-A1AB-51CC7C74D97A}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 169 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.712483 -0.42475 51.71255 -0.424551 51.712809 -0.423703 51.712954 -0.423148 51.713116 -0.422524
Segment 5
3 coordinate pairs- Description
- M25 clockwise between J20 and J21
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 2 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
- {4AECA858-E73C-4265-BA9A-A80CDF6F8E40}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 233 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.702572 -0.441471 51.7028 -0.441188 51.704164 -0.439264
Segment 6
4 coordinate pairs- Description
- M25 clockwise within J20
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 1 operational lane
- Direction On Section
- Clockwise
- Direction Relative
- Aligned
- Height Grade
- Start2 End2
- Linear Element Road
- M25
- Linear Element Model
- The Network Model
- Linear Element Id
- {88788690-1F9B-48BB-99E5-99384240240E}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 85 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.700068 -0.444029 51.700309 -0.443833 51.700442 -0.443727 51.700744 -0.443427
Segment 7
8 coordinate pairs- Description
- M25 clockwise within J20
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 1 operational lane
- Direction On Section
- Clockwise
- Direction Relative
- Aligned
- Height Grade
- Start2 End2
- Linear Element Road
- M25
- Linear Element Model
- The Network Model
- Linear Element Id
- {972F0103-30E2-4089-BA3F-8B731DE08381}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 244 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.700744 -0.443427 51.700886 -0.443292 51.701072 -0.443112 51.70125 -0.442932 51.701826 -0.442319 51.702012 -0.44211 51.702561 -0.441483 51.702572 -0.441471
Segment 8
3 coordinate pairs- Description
- M25 clockwise between J20 and J21
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 2 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
- {ECB1DEDE-1560-4F8A-9DB6-9E67E82F9A6D}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 116 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.704164 -0.439264 51.704661 -0.438459 51.704899 -0.43806
- Geometry type
- MultiLineString
- Geometry points
- 61
- First coordinate pair
- -0.430958, 51.709544
- Road section segments
- 1
- Road section points
- 61
View geometry JSON
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View road section coordinates
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- Cause type
- Road Maintenance
- Detailed cause
- Roadworks
- Compliance
- Mandatory
- Probability
- Certain
- Validity status
- Active
- Road management
- Other
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 4
- Record created
- Sun, Jul 26, 2026 10:56 PM
- Record versioned
- Sun, Jul 26, 2026 11:58 PM
- Coordinate source
- Geometry
Driving on the M25? See every live closure, roadwork and planned restriction on this road.
M25 live closuresRelated incidents
M25 Anti-Clockwise Jct 11 Entry Slip Road lane 2 closure
Planned Roadworks National Highways
Thorpe Green
M25 · M25 Anti-Clockwise Between J11 And J10
Starts in 7 hours 55 minutes
Starts 5 Aug 2026, 21:00
Expected clear 6 Aug 2026, 04:30
M25 Anti-Clockwise Jct 11 Entry Slip Road lane 2 closure
Category: Road Maintenance
View update
M25 anti clockwise Jct 20 entry slip road closure
Cleared Roadworks National Highways
Watford
M25 · M25 Anti-Clockwise Between J20 And J19
Expected to clear in 15 hours 25 minutes
Started 5 Aug 2026, 21:00
Expected clear 6 Aug 2026, 04:30
M25 anti clockwise Jct 20 entry slip road closure
Category: Road Maintenance
View update
M25 Clockwise Jct 4 exit slip road lane 1 closure
Planned Roadworks National Highways
Dunton Green
M25 · M25 Clockwise Between J3 And J4
Starts in 7 hours 55 minutes
Starts 5 Aug 2026, 21:00
Expected clear 6 Aug 2026, 04:30
M25 Clockwise Jct 4 exit slip road lane 1 closure
Category: Road Maintenance
View update
M25 Anti-clockwise Jct 7 to Jct 6 lane 1,2 closure
Planned Roadworks National Highways
Caterham
M25 · M25 Anti-Clockwise Between J7 And J6
Starts in 7 hours 55 minutes
Starts 5 Aug 2026, 21:00
Expected clear 6 Aug 2026, 04:30
M25 Anti-clockwise Jct 7 to Jct 6 lane 1,2 closure
Category: Road Maintenance
View update
M25 Clockwise Jct 24 to Jct 25 lane 2,3,4 closure
Planned Roadworks National Highways
Cheshunt
M25 · M25 Clockwise Between J24 And J25
Starts in 7 hours 55 minutes
Starts 5 Aug 2026, 21:00
Expected clear 6 Aug 2026, 04:30
M25 Clockwise Jct 24 to Jct 25 lane 2,3,4 closure
Category: Construction Work
View update
M25 Clockwise Jct 25 to Jct 26 carriageway closure
Planned Roadworks National Highways
Enfield
M25 · M25 J25 Clockwise Access
Starts in 7 hours 55 minutes
Starts 5 Aug 2026, 21:00
Expected clear 6 Aug 2026, 04:30
M25 Clockwise Jct 25 to Jct 26 carriageway closure
Category: Construction Work
View update