Crash View

A1307 southbound Alconbury exit slip carriageway closure

Cleared

A1307 southbound Alconbury exit slip carriageway closure

Start time
Fri, Jul 24, 2026 8:00 PM
Expected end
Sat, Jul 25, 2026 4:00 AM
Duration
1 second
Road
A1(M) – A1(M) Southbound Exit For B1043
Category
Road Maintenance
Direction
Southbound
Carriageway
Dual Carriageway
Reason
Tree And Vegetation Cutting Work
Live incident
Active roadworks
Planned
Cleared
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First published
Thu, Jul 23, 2026 11:12 PM
Last updated
Fri, Jul 24, 2026 12:39 AM
Cleared
Fri, Jul 24, 2026 8:00 PM
  • Latest update: A1307 southbound Alconbury exit slip carriageway closure
Coordinates
52.463562, -0.286983
Latitude span
52.371169 – 52.538349
Longitude span
-0.324224 – -0.241209
Bounding box centre
52.454759, -0.282717
Location descriptions
  • A1(M) southbound exit for B1043
  • A1(M) southbound within the B1043 junction
  • A1 northbound access from A1(M)/A605/A1139
  • A1 northbound between A1(M)/A605/A1139 and A605
Feed validity status
Planned
Overall feed start
Fri, Jul 24, 2026 8:00 PM
Overall feed end
Sat, Jul 25, 2026 4:00 AM
Feed window length
8 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

10 coordinate pairs
Description
A1(M) southbound exit for B1043
Lanes Restricted
1 lane restricted
Operational Lanes
0 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{2DC4000A-2FA2-46CF-A898-1F6B6B5B9689}
Linear Element Type
B Carriageway Exit Slip
From Distance
0 m
To Distance
283 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.372815 -0.244291
52.372208 -0.243331
52.371674 -0.242529
52.371499 -0.242228
52.371341 -0.241911
52.371257 -0.241694
52.371191 -0.241506
52.371182 -0.241447
52.371171 -0.241359
52.371169 -0.241209

Segment 2

3 coordinate pairs
Description
A1(M) southbound within the B1043 junction
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{9184503B-101E-47A0-8CEB-7D167FDE29B1}
Linear Element Type
B Carriageway Exit Slip
From Distance
1,029 m
To Distance
1,162 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.373868 -0.245813
52.373265 -0.24492
52.372972 -0.24452

Segment 3

5 coordinate pairs
Description
A1 northbound access from A1(M)/A605/A1139
Lanes Restricted
2 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
{63EBD5FD-579E-4BB7-B51C-8C375D251008}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
161 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.535371 -0.321273
52.535372 -0.321274
52.536007 -0.321821
52.536316 -0.32206
52.53667 -0.322327

Segment 4

9 coordinate pairs
Description
A1 northbound access from A1(M)/A605/A1139
Lanes Restricted
2 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
{B246B7FC-AA98-4B7D-869F-81D02E848B63}
Linear Element Type
A Carriageway Entry Slip
From Distance
17 m
To Distance
168 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.534152 -0.320373
52.534242 -0.320369
52.534342 -0.32041
52.534423 -0.320451
52.534669 -0.320663
52.534733 -0.320719
52.534833 -0.320804
52.535188 -0.321115
52.535371 -0.321273

Segment 5

5 coordinate pairs
Description
A1 northbound between A1(M)/A605/A1139 and A605
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1
Linear Element Model
The Network Model
Linear Element Id
{9549BF72-30D1-4281-AF4E-E8ED68BC4261}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
226 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.53667 -0.322327
52.536862 -0.322555
52.537995 -0.323824
52.538134 -0.323981
52.538349 -0.324224

Segment 6

2 coordinate pairs
Description
A1(M) southbound within the B1043 junction
Lanes Restricted
2 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A1(M)
Linear Element Model
The Network Model
Linear Element Id
{D9DE8D45-603A-4577-A653-6BF1D7501758}
Linear Element Type
B Carriageway Exit Slip
From Distance
0 m
To Distance
23 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
52.372972 -0.24452
52.372815 -0.244291
Geometry type
MultiLineString
Geometry points
34
First coordinate pair
-0.244291, 52.372815
Road section segments
1
Road section points
34
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.244291,
                52.372815
            ],
            [
                -0.243331,
                52.372208
            ],
            [
                -0.242529,
                52.371674
            ],
            [
                -0.242228,
                52.371499
            ],
            [
                -0.241911,
                52.371341
            ],
            [
                -0.241694,
                52.371257
            ],
            [
                -0.241506,
                52.371191
            ],
            [
                -0.241447,
                52.371182
            ],
            [
                -0.241359,
                52.371171
            ],
            [
                -0.241209,
                52.371169
            ],
            [
                -0.245813,
                52.373868
            ],
            [
                -0.24492,
                52.373265
            ],
            [
                -0.24452,
                52.372972
            ],
            [
                -0.321273,
                52.535371
            ],
            [
                -0.321274,
                52.535372
            ],
            [
                -0.321821,
                52.536007
            ],
            [
                -0.32206,
                52.536316
            ],
            [
                -0.322327,
                52.53667
            ],
            [
                -0.320373,
                52.534152
            ],
            [
                -0.320369,
                52.534242
            ],
            [
                -0.32041,
                52.534342
            ],
            [
                -0.320451,
                52.534423
            ],
            [
                -0.320663,
                52.534669
            ],
            [
                -0.320719,
                52.534733
            ],
            [
                -0.320804,
                52.534833
            ],
            [
                -0.321115,
                52.535188
            ],
            [
                -0.321273,
                52.535371
            ],
            [
                -0.322327,
                52.53667
            ],
            [
                -0.322555,
                52.536862
            ],
            [
                -0.323824,
                52.537995
            ],
            [
                -0.323981,
                52.538134
            ],
            [
                -0.324224,
                52.538349
            ],
            [
                -0.24452,
                52.372972
            ],
            [
                -0.244291,
                52.372815
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -0.244291,
            52.372815
        ],
        [
            -0.243331,
            52.372208
        ],
        [
            -0.242529,
            52.371674
        ],
        [
            -0.242228,
            52.371499
        ],
        [
            -0.241911,
            52.371341
        ],
        [
            -0.241694,
            52.371257
        ],
        [
            -0.241506,
            52.371191
        ],
        [
            -0.241447,
            52.371182
        ],
        [
            -0.241359,
            52.371171
        ],
        [
            -0.241209,
            52.371169
        ],
        [
            -0.245813,
            52.373868
        ],
        [
            -0.24492,
            52.373265
        ],
        [
            -0.24452,
            52.372972
        ],
        [
            -0.321273,
            52.535371
        ],
        [
            -0.321274,
            52.535372
        ],
        [
            -0.321821,
            52.536007
        ],
        [
            -0.32206,
            52.536316
        ],
        [
            -0.322327,
            52.53667
        ],
        [
            -0.320373,
            52.534152
        ],
        [
            -0.320369,
            52.534242
        ],
        [
            -0.32041,
            52.534342
        ],
        [
            -0.320451,
            52.534423
        ],
        [
            -0.320663,
            52.534669
        ],
        [
            -0.320719,
            52.534733
        ],
        [
            -0.320804,
            52.534833
        ],
        [
            -0.321115,
            52.535188
        ],
        [
            -0.321273,
            52.535371
        ],
        [
            -0.322327,
            52.53667
        ],
        [
            -0.322555,
            52.536862
        ],
        [
            -0.323824,
            52.537995
        ],
        [
            -0.323981,
            52.538134
        ],
        [
            -0.324224,
            52.538349
        ],
        [
            -0.24452,
            52.372972
        ],
        [
            -0.244291,
            52.372815
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Tree And Vegetation Cutting Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
2
Record created
Thu, Jul 23, 2026 11:12 PM
Record versioned
Fri, Jul 24, 2026 12:39 AM
Coordinate source
Geometry

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