A3 northbound Longmoor carriageway closure between the exit and entry slip roads

Cleared

Start time: Thu, Sep 17, 2026 8:00 PM
Expected end: Fri, Sep 18, 2026 5:00 AM
Duration: 2 seconds
Road: A3 – A3 Northbound Within The A325 Junction
Category: Road Maintenance
Direction: Northbound
Carriageway: Dual Carriageway
Reason: Roadworks

Live incident

Active roadworks

Planned

Cleared

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First published: Tue, Sep 8, 2026 5:45 AM
Last updated: Thu, Sep 17, 2026 7:50 AM
Cleared: Thu, Sep 17, 2026 8:00 PM

Latest update: A3 northbound Longmoor carriageway closure between the exit and entry slip roads

Coordinates: 51.073771, -0.873665
Latitude span: 51.071831 – 51.074731
Longitude span: -0.878617 – -0.869355
Bounding box centre: 51.073281, -0.873986
Location descriptions: A3 northbound within the A325 junction

A3 northbound between B3006 and A325

A3 northbound between A325 and B2131

Feed validity status: Planned
Overall feed start: Thu, Sep 17, 2026 8:00 PM
Overall feed end: Fri, Sep 18, 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

13 coordinate pairs

Description: A3 northbound within the A325 junction
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: A3
Linear Element Model: The Network Model
Linear Element Id: {F6C28F6F-1D73-4ECE-BE79-55817984FAC2}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 424 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.07218 -0.877937
51.072207 -0.877893
51.07263 -0.877055
51.072922 -0.876477
51.07323 -0.875813
51.073449 -0.875265
51.073703 -0.87456
51.073869 -0.874042
51.073956 -0.87374
51.074043 -0.873438
51.074122 -0.873151
51.074195 -0.872856
51.074199 -0.872835

Segment 2

2 coordinate pairs

Description: A3 northbound between B3006 and A325
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: A3
Linear Element Model: The Network Model
Linear Element Id: {B899D6DA-501B-4E3A-988F-442B0F05A4DE}
Linear Element Type: B Carriageway
From Distance: 728 m
To Distance: 789 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.071831 -0.878617
51.07218 -0.877937

Segment 3

8 coordinate pairs

Description: A3 northbound within the A325 junction
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: A3
Linear Element Model: The Network Model
Linear Element Id: {1385B880-13E1-4ED0-A682-066E15C2A8F1}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 177 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.074199 -0.872835
51.07426 -0.872548
51.07432 -0.872304
51.074397 -0.871902
51.074449 -0.87163
51.074465 -0.871501
51.074584 -0.87077
51.074626 -0.870398

Segment 4

3 coordinate pairs

Description: A3 northbound between A325 and B2131
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: A3
Linear Element Model: The Network Model
Linear Element Id: {1BFA1FA2-8D53-4CC6-940E-579897BF961D}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 74 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.074626 -0.870398
51.074667 -0.870026
51.074731 -0.869355

Geometry type: MultiLineString
Geometry points: 26
First coordinate pair: -0.877937, 51.072180
Road section segments: 1
Road section points: 26

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.877937,
                51.07218
            ],
            [
                -0.877893,
                51.072207
            ],
            [
                -0.877055,
                51.07263
            ],
            [
                -0.876477,
                51.072922
            ],
            [
                -0.875813,
                51.07323
            ],
            [
                -0.875265,
                51.073449
            ],
            [
                -0.87456,
                51.073703
            ],
            [
                -0.874042,
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            [
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            ],
            [
                -0.873438,
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            ],
            [
                -0.873151,
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            ],
            [
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            ],
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            ],
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            ],
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            ],
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            ],
            [
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            ],
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                -0.871501,
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            ],
            [
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            ],
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            ],
            [
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            ],
            [
                -0.870026,
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            ],
            [
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            ]
        ]
    ]
}

View road section coordinates

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