A3M southbound Jct 4 entry slip road closure

Planned

Start time: Tue, Apr 21, 2026 8:00 PM
Expected end: Wed, Apr 22, 2026 5:00 AM
Duration: 9 hours
Road: A3(M) – A3(M) Southbound Between J4 And J5
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Reason: Maintenance Work

Active

Planned

Cleared

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First published: Fri, Jan 23, 2026 10:03 AM
Last updated: Wed, Apr 22, 2026 4:52 AM
Cleared: Wed, Apr 22, 2026 5:00 AM

Latest update: A3M southbound Jct 4 entry slip road closure

Coordinates: 50.862386, -1.016251
Latitude span: 50.860253 – 50.864375
Longitude span: -1.016541 – -1.015700
Bounding box centre: 50.862314, -1.016121
Location descriptions: A3(M) southbound between J4 and J5

A3(M) J4 southbound access

Feed validity status: Planned
Overall feed start: Tue, Apr 21, 2026 8:00 PM
Overall feed end: Wed, Apr 22, 2026 5:00 AM
Feed window length: 9 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

6 coordinate pairs

Description: A3(M) southbound between J4 and J5
Carriageway: Dual Carriageway
Lanes Restricted: 4 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End2
Linear Element Road: A3(M)
Linear Element Model: The Network Model
Linear Element Id: {60A5CAAD-5EC4-43BD-9825-671ED02D2634}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 200 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

50.862053 -1.016541
50.861765 -1.016518
50.860793 -1.016383
50.860478 -1.016332
50.860307 -1.016308
50.860253 -1.016298

Segment 2

9 coordinate pairs

Description: A3(M) J4 southbound access
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: A3(M)
Linear Element Model: The Network Model
Linear Element Id: {68E315D5-2D45-41A2-8C21-BA28655C98E8}
Linear Element Type: A Carriageway Entry Slip
From Distance: 8 m
To Distance: 277 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

50.864375 -1.0157
50.864331 -1.015782
50.864251 -1.015898
50.864162 -1.015971
50.86322 -1.016289
50.862852 -1.016353
50.862681 -1.016371
50.862215 -1.016481
50.862053 -1.016541

Geometry type: MultiLineString
Geometry points: 15
First coordinate pair: -1.016541, 50.862053
Road section segments: 1
Road section points: 15

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.016541,
                50.862053
            ],
            [
                -1.016518,
                50.861765
            ],
            [
                -1.016383,
                50.860793
            ],
            [
                -1.016332,
                50.860478
            ],
            [
                -1.016308,
                50.860307
            ],
            [
                -1.016298,
                50.860253
            ],
            [
                -1.0157,
                50.864375
            ],
            [
                -1.015782,
                50.864331
            ],
            [
                -1.015898,
                50.864251
            ],
            [
                -1.015971,
                50.864162
            ],
            [
                -1.016289,
                50.86322
            ],
            [
                -1.016353,
                50.862852
            ],
            [
                -1.016371,
                50.862681
            ],
            [
                -1.016481,
                50.862215
            ],
            [
                -1.016541,
                50.862053
            ]
        ]
    ]
}

View road section coordinates

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