A303 westbound Winchester Road entry slip road closure

Planned

Start time: Mon, Jun 15, 2026 8:00 PM
Expected end: Tue, Jun 16, 2026 5:00 AM
Duration: 9 hours
Road: A303 – A303 Westbound Access From A3057
Category: Road Maintenance
Direction: Westbound
Carriageway: Dual Carriageway
Reason: Roadworks

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, Mar 5, 2026 1:08 PM
Last updated: Mon, Jun 15, 2026 12:40 AM
Cleared: Tue, Jun 16, 2026 5:00 AM

Latest update: A303 westbound Winchester Road entry slip road closure

Coordinates: 51.194595, -1.485776
Latitude span: 51.193911 – 51.195637
Longitude span: -1.489374 – -1.484308
Bounding box centre: 51.194774, -1.486841
Location descriptions: A303 westbound access from A3057

A303 westbound between A3057 and A343

Feed validity status: Planned
Overall feed start: Mon, Jun 15, 2026 8:00 PM
Overall feed end: Tue, Jun 16, 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

10 coordinate pairs

Description: A303 westbound access from A3057
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 operational lanes
Direction On Section: West Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A303
Linear Element Model: The Network Model
Linear Element Id: {1D76EA6A-04D9-4612-91FD-F4A417EA2367}
Linear Element Type: A Carriageway Entry Slip
From Distance: 23 m
To Distance: 171 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.193911 -1.484308
51.193927 -1.484314
51.19408 -1.484413
51.19417 -1.484483
51.194269 -1.484582
51.194315 -1.484639
51.19436 -1.484725
51.194405 -1.48481
51.194478 -1.485009
51.194743 -1.485851

Segment 2

7 coordinate pairs

Description: A303 westbound between A3057 and A343
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: West Bound
Direction Relative: Aligned
Height Grade: Start1 End2
Linear Element Road: A303
Linear Element Model: The Network Model
Linear Element Id: {5B12A9C7-E39B-4AD7-B277-21226AD0FFD2}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 266 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.194743 -1.485851
51.19478 -1.48618
51.194863 -1.486565
51.194964 -1.487022
51.195092 -1.487521
51.195384 -1.488549
51.195637 -1.489374

Geometry type: MultiLineString
Geometry points: 17
First coordinate pair: -1.484308, 51.193911
Road section segments: 1
Road section points: 17

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.484308,
                51.193911
            ],
            [
                -1.484314,
                51.193927
            ],
            [
                -1.484413,
                51.19408
            ],
            [
                -1.484483,
                51.19417
            ],
            [
                -1.484582,
                51.194269
            ],
            [
                -1.484639,
                51.194315
            ],
            [
                -1.484725,
                51.19436
            ],
            [
                -1.48481,
                51.194405
            ],
            [
                -1.485009,
                51.194478
            ],
            [
                -1.485851,
                51.194743
            ],
            [
                -1.485851,
                51.194743
            ],
            [
                -1.48618,
                51.19478
            ],
            [
                -1.486565,
                51.194863
            ],
            [
                -1.487022,
                51.194964
            ],
            [
                -1.487521,
                51.195092
            ],
            [
                -1.488549,
                51.195384
            ],
            [
                -1.489374,
                51.195637
            ]
        ]
    ]
}

View road section coordinates

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