A303 westbound Hundred Acre exit slip road closure

Cleared

Start time: Mon, May 18, 2026 8:00 PM
Expected end: Tue, May 19, 2026 4:00 AM
Duration: 8 hours
Road: A303 – A303 Westbound Between A343 And A342
Category: Road Maintenance
Direction: Westbound
Carriageway: Dual Carriageway
Reason: Roadworks

Live incident

Active roadworks

Planned

Cleared

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First published: Fri, Feb 6, 2026 9:56 AM
Last updated: Mon, May 18, 2026 9:56 PM
Cleared: Tue, May 19, 2026 4:00 AM

Latest update: A303 westbound Hundred Acre exit slip road closure

Coordinates: 51.207817, -1.515003
Latitude span: 51.205113 – 51.209795
Longitude span: -1.517377 – -1.512615
Bounding box centre: 51.207454, -1.514996
Location descriptions: A303 westbound between A343 and A342

A303 westbound exit for A342

Feed validity status: Planned
Overall feed start: Mon, May 18, 2026 8:00 PM
Overall feed end: Tue, May 19, 2026 4:00 AM
Feed window length: 8 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

5 coordinate pairs

Description: A303 westbound between A343 and A342
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes 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: {73D15E13-BCB7-4C8C-8EE1-6A92E2F345B1}
Linear Element Type: A Carriageway
From Distance: 390 m
To Distance: 628 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.205113 -1.512615
51.205117 -1.512618
51.205469 -1.512886
51.206145 -1.513352
51.207074 -1.514

Segment 2

11 coordinate pairs

Description: A303 westbound exit for A342
Lanes Restricted: 2 lanes 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: {8796662A-D538-4B04-935B-57335ADEB24D}
Linear Element Type: A Carriageway Exit Slip
From Distance: 0 m
To Distance: 389 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.207074 -1.514
51.207309 -1.514298
51.207698 -1.514667
51.208257 -1.515219
51.208564 -1.515559
51.209016 -1.516056
51.209504 -1.516666
51.209549 -1.516737
51.209628 -1.516849
51.209758 -1.517156
51.209795 -1.517377

Geometry type: MultiLineString
Geometry points: 16
First coordinate pair: -1.512615, 51.205113
Road section segments: 1
Road section points: 16

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.512615,
                51.205113
            ],
            [
                -1.512618,
                51.205117
            ],
            [
                -1.512886,
                51.205469
            ],
            [
                -1.513352,
                51.206145
            ],
            [
                -1.514,
                51.207074
            ],
            [
                -1.514,
                51.207074
            ],
            [
                -1.514298,
                51.207309
            ],
            [
                -1.514667,
                51.207698
            ],
            [
                -1.515219,
                51.208257
            ],
            [
                -1.515559,
                51.208564
            ],
            [
                -1.516056,
                51.209016
            ],
            [
                -1.516666,
                51.209504
            ],
            [
                -1.516737,
                51.209549
            ],
            [
                -1.516849,
                51.209628
            ],
            [
                -1.517156,
                51.209758
            ],
            [
                -1.517377,
                51.209795
            ]
        ]
    ]
}

View road section coordinates

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