Crash View

A1M Northbound Jct 1 carriageway closure between the slip roads

Cleared

A1M Northbound Jct 1 carriageway closure between the slip roads

Start time
Thu, Apr 23, 2026 9:00 PM
Expected end
Fri, Apr 24, 2026 4:30 AM
Duration
7 hours 30 minutes
Road
A1(M) – A1(M) Northbound Between J1 And J2
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Reason
Other
Live incident
Active roadworks
Planned
Cleared
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First published
Thu, Apr 23, 2026 9:00 PM
Last updated
Fri, Apr 24, 2026 3:31 AM
Cleared
Fri, Apr 24, 2026 4:30 AM
  • Latest update: A1M Northbound Jct 1 carriageway closure between the slip roads
Coordinates
51.689511, -0.227367
Latitude span
51.683169 – 51.696106
Longitude span
-0.231704 – -0.224311
Bounding box centre
51.689638, -0.228008
Location descriptions
  • A1(M) northbound between J1 and J2
  • A1(M) northbound within J1
Feed validity status
Active
Overall feed start
Thu, Apr 23, 2026 9:00 PM
Overall feed end
Fri, Apr 24, 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

3 coordinate pairs
Description
A1(M) northbound between J1 and J2
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{6860FD95-0C9E-40FE-B9EC-E9D828E24D34}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
80 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.690392 -0.226443
51.690766 -0.226197
51.69106 -0.226009

Segment 2

3 coordinate pairs
Description
A1(M) northbound within J1
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{D338AE1F-1C68-49B6-9570-38BD1844DF2C}
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 
51.684434 -0.2309
51.685422 -0.230239
51.686499 -0.229488

Segment 3

3 coordinate pairs
Description
A1(M) northbound within J1
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{13DCA18F-92BF-4528-94F6-229C16DFEA55}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
21 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.686499 -0.229488
51.68657 -0.229428
51.686668 -0.229352

Segment 4

2 coordinate pairs
Description
A1(M) northbound within J1
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{F63C643E-862D-4DD0-BBE8-FF6F95D43FE5}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
195 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.686668 -0.229352
51.688241 -0.228104

Segment 5

3 coordinate pairs
Description
A1(M) northbound within J1
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{E8324134-C44B-4C17-A883-186366AED740}
Linear Element Type
A Carriageway
From Distance
298 m
To Distance
450 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.683169 -0.231704
51.684355 -0.230952
51.684434 -0.2309

Segment 6

3 coordinate pairs
Description
A1(M) northbound within J1
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{971081A3-3522-42DF-A73D-1C975E58C354}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
265 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.688241 -0.228104
51.689867 -0.226811
51.690392 -0.226443

Segment 7

11 coordinate pairs
Description
A1(M) northbound between J1 and J2
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{3323C673-B02A-4C17-A0D1-FF264B56EE88}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
576 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.69106 -0.226009
51.69114 -0.225951
51.691888 -0.225502
51.691897 -0.225502
51.69254 -0.225173
51.692942 -0.225012
51.693327 -0.224867
51.693604 -0.224755
51.69381 -0.224703
51.694329 -0.224567
51.696106 -0.224311
Geometry type
MultiLineString
Geometry points
28
First coordinate pair
-0.226443, 51.690392
Road section segments
1
Road section points
28
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.226443,
                51.690392
            ],
            [
                -0.226197,
                51.690766
            ],
            [
                -0.226009,
                51.69106
            ],
            [
                -0.2309,
                51.684434
            ],
            [
                -0.230239,
                51.685422
            ],
            [
                -0.229488,
                51.686499
            ],
            [
                -0.229488,
                51.686499
            ],
            [
                -0.229428,
                51.68657
            ],
            [
                -0.229352,
                51.686668
            ],
            [
                -0.229352,
                51.686668
            ],
            [
                -0.228104,
                51.688241
            ],
            [
                -0.231704,
                51.683169
            ],
            [
                -0.230952,
                51.684355
            ],
            [
                -0.2309,
                51.684434
            ],
            [
                -0.228104,
                51.688241
            ],
            [
                -0.226811,
                51.689867
            ],
            [
                -0.226443,
                51.690392
            ],
            [
                -0.226009,
                51.69106
            ],
            [
                -0.225951,
                51.69114
            ],
            [
                -0.225502,
                51.691888
            ],
            [
                -0.225502,
                51.691897
            ],
            [
                -0.225173,
                51.69254
            ],
            [
                -0.225012,
                51.692942
            ],
            [
                -0.224867,
                51.693327
            ],
            [
                -0.224755,
                51.693604
            ],
            [
                -0.224703,
                51.69381
            ],
            [
                -0.224567,
                51.694329
            ],
            [
                -0.224311,
                51.696106
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -0.226443,
            51.690392
        ],
        [
            -0.226197,
            51.690766
        ],
        [
            -0.226009,
            51.69106
        ],
        [
            -0.2309,
            51.684434
        ],
        [
            -0.230239,
            51.685422
        ],
        [
            -0.229488,
            51.686499
        ],
        [
            -0.229488,
            51.686499
        ],
        [
            -0.229428,
            51.68657
        ],
        [
            -0.229352,
            51.686668
        ],
        [
            -0.229352,
            51.686668
        ],
        [
            -0.228104,
            51.688241
        ],
        [
            -0.231704,
            51.683169
        ],
        [
            -0.230952,
            51.684355
        ],
        [
            -0.2309,
            51.684434
        ],
        [
            -0.228104,
            51.688241
        ],
        [
            -0.226811,
            51.689867
        ],
        [
            -0.226443,
            51.690392
        ],
        [
            -0.226009,
            51.69106
        ],
        [
            -0.225951,
            51.69114
        ],
        [
            -0.225502,
            51.691888
        ],
        [
            -0.225502,
            51.691897
        ],
        [
            -0.225173,
            51.69254
        ],
        [
            -0.225012,
            51.692942
        ],
        [
            -0.224867,
            51.693327
        ],
        [
            -0.224755,
            51.693604
        ],
        [
            -0.224703,
            51.69381
        ],
        [
            -0.224567,
            51.694329
        ],
        [
            -0.224311,
            51.696106
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Other
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Apr 23, 2026 9:00 PM
Record versioned
Fri, Apr 24, 2026 3:31 AM
Coordinate source
Geometry

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