A1M southbound Alconbury lane closure

Planned

Start time: Tue, Aug 18, 2026 8:00 PM
Expected end: Wed, Aug 19, 2026 4:00 AM
Duration: 8 hours
Road: A1(M) – A1(M) Southbound Between J14 And A1
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: Thu, Aug 13, 2026 8:42 AM
Last updated: Tue, Aug 18, 2026 9:40 AM
Cleared: Wed, Aug 19, 2026 4:00 AM

Latest update: A1M southbound Alconbury lane closure

Coordinates: 52.363074, -0.255102
Latitude span: 52.360748 – 52.365187
Longitude span: -0.255279 – -0.254850
Bounding box centre: 52.362968, -0.255065
Location descriptions: A1(M) southbound between J14 and A1

Feed validity status: Planned
Overall feed start: Tue, Aug 18, 2026 8:00 PM
Overall feed end: Wed, Aug 19, 2026 4:00 AM
Feed window length: 8 hours
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

5 coordinate pairs

Description: A1(M) southbound between J14 and A1
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 End1
Linear Element Road: A1(M)
Linear Element Model: The Network Model
Linear Element Id: {24DA91D7-894F-4E65-AA2E-E8679598A1C7}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 137 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

52.361971 -0.255163
52.361755 -0.255128
52.361186 -0.254974
52.360974 -0.254927
52.360748 -0.25485

Segment 2

2 coordinate pairs

Description: A1(M) southbound between J14 and A1
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: A1(M)
Linear Element Model: The Network Model
Linear Element Id: {879CB835-D88D-48E7-A159-EA164FC8CC6A}
Linear Element Type: B Carriageway
From Distance: 523 m
To Distance: 528 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

52.365187 -0.254925
52.36514 -0.254939

Segment 3

12 coordinate pairs

Description: A1(M) southbound between J14 and A1
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: A1(M)
Linear Element Model: The Network Model
Linear Element Id: {5B08F037-DF04-4A45-A82A-F2A5A1884DA2}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 354 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

52.36514 -0.254939
52.365097 -0.254952
52.364524 -0.255107
52.364281 -0.255146
52.363842 -0.255222
52.363384 -0.255269
52.363132 -0.255279
52.362926 -0.255272
52.362638 -0.255254
52.362349 -0.255222
52.362151 -0.2552
52.361971 -0.255163

Geometry type: MultiLineString
Geometry points: 19
First coordinate pair: -0.255163, 52.361971
Road section segments: 1
Road section points: 19

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.255163,
                52.361971
            ],
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                -0.255128,
                52.361755
            ],
            [
                -0.254974,
                52.361186
            ],
            [
                -0.254927,
                52.360974
            ],
            [
                -0.25485,
                52.360748
            ],
            [
                -0.254925,
                52.365187
            ],
            [
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                52.36514
            ],
            [
                -0.254939,
                52.36514
            ],
            [
                -0.254952,
                52.365097
            ],
            [
                -0.255107,
                52.364524
            ],
            [
                -0.255146,
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            ],
            [
                -0.255222,
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            ],
            [
                -0.255269,
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            ],
            [
                -0.255279,
                52.363132
            ],
            [
                -0.255272,
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            ],
            [
                -0.255254,
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            ],
            [
                -0.255222,
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            ],
            [
                -0.2552,
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            ],
            [
                -0.255163,
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            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other