M25 Clockwise Jct 17 to Jct 18 Lane 3,4 closure

Cleared

M25 Clockwise Jct 17 to Jct 18 Lane 3,4 closure

Start time
Wed, Aug 12, 2026 9:00 PM
Expected end
Thu, Aug 13, 2026 4:30 AM
Duration
30 minutes 1 second
Road
A412 – Roundabout At M25 J17/ A412
Category
Road Maintenance
Direction
Clockwise
Carriageway
Dual Carriageway
Lanes affected
2 of 3 lanes affected
Reason
Other
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Apr 25, 2025 3:28 PM
Last updated
Wed, Aug 12, 2026 9:08 PM
Cleared
Wed, Aug 12, 2026 9:30 PM
  • Latest update: M25 Clockwise Jct 17 to Jct 18 Lane 3,4 closure
Coordinates
51.640817, -0.507445
Latitude span
51.628349 – 51.655079
Longitude span
-0.520745 – -0.495256
Bounding box centre
51.641714, -0.508001
Location descriptions
  • Roundabout at M25 J17/ A412
  • M25 clockwise between J17 and J18
  • M25 clockwise between J18 and J19
  • M25 clockwise within J18
  • M25 clockwise between J16 and J17
  • M25 J17 clockwise exit
  • M25 J17 clockwise access
Feed validity status
Planned
Overall feed start
Wed, Aug 12, 2026 9:00 PM
Overall feed end
Thu, Aug 13, 2026 4:30 AM
Feed window length
7 hours 30 minutes
Probability code (raw)
probable
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

2 coordinate pairs
Description
Roundabout at M25 J17/ A412
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A412
Linear Element Model
The Network Model
Linear Element Id
{5DAA58FD-E711-4AB6-AFB3-D4778D20AFA3}
Linear Element Type
Other
From Distance
0 m
To Distance
6 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.637975 -0.511185
51.637991 -0.511098

Segment 2

9 coordinate pairs
Description
M25 clockwise between J17 and J18
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 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
{BCEF7FFD-C279-406E-B41D-B2DF2BB0A2BE}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
338 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.639804 -0.506544
51.640288 -0.505733
51.640306 -0.505703
51.640315 -0.505703
51.640394 -0.505585
51.640756 -0.505024
51.641339 -0.504239
51.641614 -0.503883
51.642092 -0.503332

Segment 3

2 coordinate pairs
Description
M25 clockwise between J18 and J19
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 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
{A445210D-79A8-42B7-9B8C-79DB96601410}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
26 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.654859 -0.495395
51.655079 -0.495256

Segment 4

10 coordinate pairs
Description
Roundabout at M25 J17/ A412
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A412
Linear Element Model
The Network Model
Linear Element Id
{D89709FF-05F3-4CAC-B11E-8498563B28CE}
Linear Element Type
Other
From Distance
0 m
To Distance
71 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.637506 -0.511793
51.637542 -0.511792
51.637658 -0.511744
51.637703 -0.511714
51.637756 -0.511669
51.637818 -0.51158
51.637871 -0.511506
51.637932 -0.51136
51.637958 -0.511272
51.637975 -0.511185

Segment 5

3 coordinate pairs
Description
Roundabout at M25 J17/ A412
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
Clockwise
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A412
Linear Element Model
The Network Model
Linear Element Id
{05D45337-E2D6-442D-8495-86822A746EC0}
Linear Element Type
Other
From Distance
0 m
To Distance
17 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.637353 -0.511783
51.637452 -0.511809
51.637506 -0.511793

Segment 6

8 coordinate pairs
Description
M25 clockwise within J18
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 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
{96CF4BE7-97F1-43A5-A1BB-23F033EFDC75}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
249 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.652934 -0.497232
51.652939 -0.497226
51.65317 -0.496954
51.653188 -0.496939
51.654093 -0.496013
51.654262 -0.495867
51.654511 -0.495652
51.654859 -0.495395

Segment 7

16 coordinate pairs
Description
M25 clockwise between J17 and J18
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 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
{9F95834F-9159-4F3D-98D4-06FBA817DB06}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
914 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.642092 -0.503332
51.642163 -0.503243
51.642351 -0.503049
51.642784 -0.502601
51.643042 -0.502362
51.643584 -0.501867
51.643904 -0.501596
51.644234 -0.50134
51.644661 -0.501022
51.644956 -0.500824
51.644981 -0.500808
51.645259 -0.500641
51.646215 -0.500118
51.647359 -0.499632
51.649033 -0.499013
51.649731 -0.498744

Segment 8

10 coordinate pairs
Description
M25 clockwise between J16 and J17
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 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
{4B3633F7-F4FB-41CF-8AB6-F7BB88774264}
Linear Element Type
A Carriageway
From Distance
142 m
To Distance
846 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.628349 -0.520745
51.628739 -0.520351
51.629511 -0.519568
51.630487 -0.518553
51.631402 -0.517613
51.632918 -0.51596
51.633167 -0.515706
51.633353 -0.515493
51.633641 -0.515184
51.633648 -0.515178

Segment 9

5 coordinate pairs
Description
M25 clockwise between J16 and J17
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 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
{285FFD97-68C3-4EC4-822E-796239870785}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
107 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.633648 -0.515178
51.633806 -0.515006
51.63408 -0.514694
51.634409 -0.514351
51.634452 -0.514306

Segment 10

14 coordinate pairs
Description
M25 J17 clockwise exit
Lanes Restricted
1 lane 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
{E670ED0D-C71F-4DD3-97E1-33128C384FE4}
Linear Element Type
A Carriageway Exit Slip
From Distance
0 m
To Distance
371 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.634452 -0.514306
51.634675 -0.514246
51.634912 -0.514066
51.635207 -0.513806
51.635789 -0.513198
51.636409 -0.512522
51.636844 -0.51206
51.636872 -0.51203
51.636941 -0.511956
51.637021 -0.511895
51.637057 -0.511865
51.637102 -0.511849
51.637164 -0.511818
51.637353 -0.511783

Segment 11

11 coordinate pairs
Description
M25 J17 clockwise access
Lanes Restricted
1 lane 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
{B5A59ED5-CEFD-4355-8D92-CAC656946627}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
377 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.637991 -0.511098
51.638016 -0.510909
51.638057 -0.510619
51.638117 -0.510371
51.638169 -0.510225
51.638336 -0.509887
51.638565 -0.509374
51.639359 -0.507599
51.639534 -0.507203
51.639546 -0.507174
51.639804 -0.506544

Segment 12

6 coordinate pairs
Description
M25 clockwise between J17 and J18
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
3 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
{6C97A867-6886-4391-84E5-1F143D613ACB}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
372 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.649731 -0.498744
51.651386 -0.498111
51.651824 -0.497909
51.652243 -0.497641
51.652279 -0.497619
51.652934 -0.497232
Geometry type
MultiLineString
Geometry points
96
First coordinate pair
-0.511185, 51.637975
Road section segments
1
Road section points
96
View geometry JSON
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View road section coordinates
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    ]
]
Cause type
Road Maintenance
Detailed cause
Other
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Fri, Apr 25, 2025 3:28 PM
Record versioned
Wed, Aug 12, 2026 9:08 PM
Coordinate source
Geometry

Driving on the A412? See every live closure, roadwork and planned restriction on this road.

A412 live closures

Related incidents

M25 Clockwise Jct 16 to Jct 17 Lane 2,3,4 closure

Cleared Roadworks National Highways
Buckinghamshire M25 · M25 Clockwise Between J16 And J17

Cleared 2 weeks 4 days ago

Started 24 Jul 2026, 22:00 Ended 24 Jul 2026, 22:00

M25 Clockwise Jct 16 to Jct 17 Lane 2,3,4 closure

Category: Road Maintenance
View update

M25 Clockwise Jct 17 to Jct 18 Carriageway closure

Cleared Roadworks National Highways
Buckinghamshire M25 · M25 Clockwise Between J17 And J18

Cleared 2 weeks 4 days ago

Started 24 Jul 2026, 22:00 Ended 24 Jul 2026, 22:00

M25 Clockwise Jct 17 to Jct 18 Carriageway closure

Category: Road Maintenance
View update

M25 Jct 17-18 Clockwise Carriageway, Hardshoulder Closure

Cleared Roadworks National Highways
Buckinghamshire M25 · M25 Clockwise Between J17 And J18

Cleared 2 weeks 5 days ago

Started 24 Jul 2026, 08:30 Ended 24 Jul 2026, 14:30

M25 Jct 17-18 Clockwise Carriageway, Hardshoulder Closure

Category: Road Maintenance
View update

M25 Jct 17-18 Clockwise Carriageway, Hardshoulder Closure

Cleared Roadworks National Highways
Buckinghamshire M25 · M25 Clockwise Between J17 And J18

Cleared 2 weeks 6 days ago

Started 23 Jul 2026, 08:30 Ended 23 Jul 2026, 12:55

M25 Jct 17-18 Clockwise Carriageway, Hardshoulder Closure

Category: Road Maintenance
View update

M25 Clockwise Jct 17 to Jct 18 Carriageway closure

Cleared Roadworks National Highways
Buckinghamshire M25 · M25 Clockwise Between J17 And J18

Cleared 2 weeks 6 days ago

Started 22 Jul 2026, 22:00 Ended 23 Jul 2026, 04:30

M25 Clockwise Jct 17 to Jct 18 Carriageway closure

Category: Road Maintenance
View update

M25 Clockwise Jct 16 to Jct 17 Lane 2,3,4 closure

Cleared Roadworks National Highways
Buckinghamshire M25 · M25 Clockwise Between J16 And J17

Cleared 2 weeks 6 days ago

Started 22 Jul 2026, 22:00 Ended 23 Jul 2026, 03:35

M25 Clockwise Jct 16 to Jct 17 Lane 2,3,4 closure

Category: Road Maintenance
View update