A1(M) Northbound Jct 3 to Jct 4 carriageway, entry slip road and exit slip road closure

Cleared

Start time: Wed, Apr 29, 2026 9:00 PM
Expected end: Thu, Apr 30, 2026 4:30 AM
Duration: 7 hours 30 minutes
Road: A1(M) – A1(M) Northbound Between J3 And J4
Category: Road Maintenance
Direction: Northbound
Carriageway: Dual Carriageway
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Apr 29, 2026 9:18 PM
Last updated: Thu, Apr 30, 2026 12:31 AM
Cleared: Thu, Apr 30, 2026 4:30 AM

Latest update: A1(M) Northbound Jct 3 to Jct 4 carriageway, entry slip road and exit slip road closure

Coordinates: 51.755144, -0.245084
Latitude span: 51.752781 – 51.758395
Longitude span: -0.245957 – -0.243476
Bounding box centre: 51.755588, -0.244717
Location descriptions: A1(M) northbound between J3 and J4

A1(M) J3 northbound access

Feed validity status: Active
Overall feed start: Wed, Apr 29, 2026 9:00 PM
Overall feed end: Thu, Apr 30, 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

10 coordinate pairs

Description: A1(M) northbound between J3 and J4
Carriageway: Dual Carriageway
Lanes Restricted: 4 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: {A3B7152B-CEEB-4517-8561-9FBDBA39C37A}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 375 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.755193 -0.245161
51.755647 -0.245013
51.755748 -0.24498
51.756293 -0.244756
51.756917 -0.244427
51.757203 -0.244257
51.757568 -0.24404
51.757916 -0.243823
51.758191 -0.243623
51.758395 -0.243476

Segment 2

12 coordinate pairs

Description: A1(M) J3 northbound access
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: {E4400873-C353-4829-959C-0EA13268A9F8}
Linear Element Type: A Carriageway Entry Slip
From Distance: 6 m
To Distance: 282 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.752781 -0.245957
51.75283 -0.245904
51.752937 -0.245842
51.753018 -0.245825
51.753099 -0.245822
51.753296 -0.245799
51.753538 -0.245761
51.753745 -0.245724
51.754148 -0.245636
51.75456 -0.245504
51.754944 -0.245359
51.755193 -0.245161

Geometry type: MultiLineString
Geometry points: 22
First coordinate pair: -0.245161, 51.755193
Road section segments: 1
Road section points: 22

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.245161,
                51.755193
            ],
            [
                -0.245013,
                51.755647
            ],
            [
                -0.24498,
                51.755748
            ],
            [
                -0.244756,
                51.756293
            ],
            [
                -0.244427,
                51.756917
            ],
            [
                -0.244257,
                51.757203
            ],
            [
                -0.24404,
                51.757568
            ],
            [
                -0.243823,
                51.757916
            ],
            [
                -0.243623,
                51.758191
            ],
            [
                -0.243476,
                51.758395
            ],
            [
                -0.245957,
                51.752781
            ],
            [
                -0.245904,
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            ],
            [
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            ],
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            ],
            [
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            ],
            [
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            ],
            [
                -0.245761,
                51.753538
            ],
            [
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            ],
            [
                -0.245636,
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            ],
            [
                -0.245504,
                51.75456
            ],
            [
                -0.245359,
                51.754944
            ],
            [
                -0.245161,
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            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Carriageway Closures