Crash View

Lane 1 closure southbound

Active

Lane 1 closure southbound

Start time
Wed, Oct 21, 2026 7:00 PM
Expected end
Thu, Oct 22, 2026 5:00 AM
Duration
10 hours
Road
M1 – M1 Southbound Within J21
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Lanes affected
Lane 1 closed, 1 of 3 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
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First published
Wed, Oct 21, 2026 8:35 PM
Last updated
Wed, Oct 21, 2026 11:17 PM
Cleared
Thu, Oct 22, 2026 5:00 AM
  • Latest update: Lane 1 closure southbound
Coordinates
52.581880, -1.194751
Latitude span
52.559998 – 52.601194
Longitude span
-1.198201 – -1.186045
Bounding box centre
52.580596, -1.192123
Location descriptions
  • M1 southbound within J21
  • M1 southbound between J21 and J20
Feed validity status
Active
Overall feed start
Wed, Oct 21, 2026 7:00 PM
Overall feed end
Thu, Oct 22, 2026 5:00 AM
Feed window length
10 hours
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

3 coordinate pairs
Description
M1 southbound within J21
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{A7316168-347F-4BD9-80D7-869911BBB24B}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
121 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.60101 -1.194915
52.600974 -1.194916
52.599921 -1.194758

Segment 2

10 coordinate pairs
Description
M1 southbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{44E12755-3E47-436E-93AA-505ED9FB6E32}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
823 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.566907 -1.190389
52.566338 -1.190001
52.565823 -1.18966
52.563791 -1.188311
52.563785 -1.188308
52.563565 -1.188164
52.561895 -1.187074
52.561218 -1.186658
52.56055 -1.186302
52.559998 -1.186045

Segment 3

11 coordinate pairs
Description
M1 southbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{19411F48-038C-4742-9596-FB19CA2DCB91}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
753 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.59248 -1.195248
52.591888 -1.195407
52.591709 -1.195454
52.59126 -1.195595
52.590417 -1.195921
52.589449 -1.196248
52.588014 -1.196776
52.587422 -1.196979
52.586103 -1.197446
52.586014 -1.197477
52.585852 -1.197539

Segment 4

2 coordinate pairs
Description
M1 southbound within J21
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{DF22F09F-2A3C-4A19-A81C-98781E54B802}
Linear Element Type
B Carriageway
From Distance
383 m
To Distance
404 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.601194 -1.194955
52.60101 -1.194915

Segment 5

2 coordinate pairs
Description
M1 southbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{48ECE967-13EB-4588-BF81-46E1878DB2FF}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
14 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.577904 -1.197315
52.577777 -1.197258

Segment 6

8 coordinate pairs
Description
M1 southbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{E3D9B362-B43D-4DEB-8AD1-8A53195B4B42}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
577 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.571732 -1.193512
52.569074 -1.191773
52.568713 -1.191536
52.56808 -1.19112
52.567629 -1.190848
52.567449 -1.190734
52.566925 -1.190404
52.566907 -1.190389

Segment 7

10 coordinate pairs
Description
M1 southbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{2EFB0B4C-C399-4EE8-BF80-1F09479AFE80}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
719 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.577777 -1.197258
52.577741 -1.197244
52.577633 -1.197202
52.57711 -1.196931
52.576415 -1.19656
52.576117 -1.196373
52.573878 -1.194924
52.572948 -1.194306
52.572596 -1.194077
52.571732 -1.193512

Segment 8

19 coordinate pairs
Description
M1 southbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{FDBA9B8B-E6D8-495B-B0FB-BC2E31017798}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
892 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.585852 -1.197539
52.585691 -1.197601
52.585215 -1.197757
52.584435 -1.197963
52.584273 -1.197996
52.58404 -1.198038
52.583645 -1.19811
52.583124 -1.198164
52.582485 -1.198191
52.581928 -1.198201
52.581371 -1.198181
52.580876 -1.198131
52.580714 -1.198107
52.580102 -1.198013
52.579463 -1.197862
52.579364 -1.197833
52.578841 -1.197681
52.578364 -1.197513
52.577904 -1.197315

Segment 9

7 coordinate pairs
Description
M1 southbound within J21
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{C990674C-E288-4055-8D0F-B333BE4DB23F}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
415 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.599921 -1.194758
52.599669 -1.194718
52.598877 -1.194659
52.59751 -1.19461
52.597097 -1.194618
52.596288 -1.194632
52.596189 -1.194634

Segment 10

6 coordinate pairs
Description
M1 southbound between J21 and J20
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
M1
Linear Element Model
The Network Model
Linear Element Id
{3C97ED32-6F08-4079-9653-E125F96AA277}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
414 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.596189 -1.194634
52.595919 -1.194654
52.595794 -1.194656
52.595075 -1.194728
52.593234 -1.195057
52.59248 -1.195248
Geometry type
MultiLineString
Geometry points
78
First coordinate pair
-1.194915, 52.601010
Road section segments
1
Road section points
78
View geometry JSON 
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            ],
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                -1.190389,
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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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            ],
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                -1.198107,
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                -1.198013,
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            ],
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                -1.197862,
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            ],
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                -1.197833,
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            ],
            [
                -1.197681,
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            ],
            [
                -1.197513,
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            ],
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                -1.197315,
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            ],
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                -1.194758,
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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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                -1.195057,
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            ],
            [
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                52.59248
            ]
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}
View road section coordinates 
[
    [
        [
            -1.194915,
            52.60101
        ],
        [
            -1.194916,
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        ],
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        ],
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        ],
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        ],
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        ],
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            -1.194632,
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            -1.194634,
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        ],
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            -1.194634,
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        ],
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            -1.194654,
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        ],
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            -1.194656,
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        ],
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            -1.194728,
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        ],
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            -1.195057,
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        ],
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            -1.195248,
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        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Wed, Oct 21, 2026 8:35 PM
Record versioned
Wed, Oct 21, 2026 11:17 PM
Coordinate source
Geometry

Driving on the M1? See every live closure, roadwork and planned restriction on this road.

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M1 northbound Jct 44 to Jct 46 Lane 2 and 3 closure (303/2 311/4)

Active Roadworks National Highways
Leeds M1 · M1 Northbound Between J43 And J44

Expected to clear in 5 hours 33 minutes

Started 21 Oct 2026, 20:00 Expected clear 22 Oct 2026, 06:00

M1 northbound Jct 44 to Jct 46 Lane 2 and 3 closure (303/2 311/4)

Category: Road Maintenance
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M1 northbound Jct 44 hardshoulder closure (305/2 - 306/1)

Planned Roadworks National Highways
Leeds M1 · M1 Northbound Between J44 And J45

Expected to clear in 1 week 4 days

Started 3 Oct 2026, 06:00 Expected clear 2 Nov 2026, 21:00

M1 northbound Jct 44 hardshoulder closure (305/2 - 306/1)

Category: Road Maintenance
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M1 northbound Approach to Jct 6 lane 3 and 2 closure

Cleared Roadworks National Highways
Borehamwood M1 · M1 Northbound Between J5 And J6

Cleared 6 minutes 43 seconds ago

Started 21 Oct 2026, 22:00 Ended 22 Oct 2026, 00:20

M1 northbound Approach to Jct 6 lane 3 and 2 closure

Category: Road Maintenance
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