A1(M) Northbound Jct 4 Exit Slip Road Lane 2 Closure

Cleared

Start time: Mon, Jul 27, 2026 9:00 PM
Expected end: Tue, Jul 28, 2026 4:00 AM
Duration: 2 seconds
Road: A1(M) – A1(M) Northbound Between J3 And J4
Category: Road Maintenance
Direction: Northbound
Carriageway: Dual Carriageway
Lanes affected: Lane 2 closed, 1 of 3 lanes affected, 1 of 1 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Jul 8, 2026 7:54 AM
Last updated: Mon, Jul 27, 2026 6:48 PM
Cleared: Mon, Jul 27, 2026 9:00 PM

Latest update: A1(M) Northbound Jct 4 Exit Slip Road Lane 2 Closure

Coordinates: 51.776296, -0.225343
Latitude span: 51.775666 – 51.777179
Longitude span: -0.226002 – -0.224639
Bounding box centre: 51.776423, -0.225321
Location descriptions: A1(M) northbound between J3 and J4

A1(M) J4 northbound exit

Feed validity status: Planned
Overall feed start: Mon, Jul 27, 2026 9:00 PM
Overall feed end: Tue, Jul 28, 2026 4:00 AM
Feed window length: 7 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) northbound between J3 and J4
Carriageway: Dual Carriageway
Lane Usage: Cl2
Lane Number: 2
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: {3CDE182D-1A5C-41E8-BC5E-24BF29648914}
Linear Element Type: A Carriageway
From Distance: 797 m
To Distance: 880 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.775666 -0.226002
51.77581 -0.22582
51.775836 -0.225776
51.776083 -0.225476
51.77626 -0.225281

Segment 2

4 coordinate pairs

Description: A1(M) J4 northbound exit
Lane Usage: Cl2
Lane Number: 2
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 1 operational lane
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: {280C8BDE-2D6F-45E5-B93C-01194CAF084F}
Linear Element Type: A Carriageway Exit Slip
From Distance: 0 m
To Distance: 111 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.77626 -0.225281
51.776465 -0.225128
51.777105 -0.224682
51.777179 -0.224639

Geometry type: MultiLineString
Geometry points: 9
First coordinate pair: -0.226002, 51.775666
Road section segments: 1
Road section points: 9

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.226002,
                51.775666
            ],
            [
                -0.22582,
                51.77581
            ],
            [
                -0.225776,
                51.775836
            ],
            [
                -0.225476,
                51.776083
            ],
            [
                -0.225281,
                51.77626
            ],
            [
                -0.225281,
                51.77626
            ],
            [
                -0.225128,
                51.776465
            ],
            [
                -0.224682,
                51.777105
            ],
            [
                -0.224639,
                51.777179
            ]
        ]
    ]
}

View road section coordinates

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