A303 westbound Micheldever Station lane 1 closure on exit slip road

Planned

Start time: Fri, Aug 14, 2026 6:00 PM
Expected end: Sat, Aug 15, 2026 5:00 AM
Duration: 11 hours
Road: A303 – A303 Westbound Between A30 And A34
Category: Authority Operation
Direction: Westbound
Carriageway: Dual Carriageway
Lanes affected: Lane 1 closed, 1 of 1 lanes affected
Reason: Other

Live incident

Active roadworks

Planned

Cleared

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First published: Mon, Jul 13, 2026 10:46 AM
Last updated: Fri, Aug 14, 2026 3:10 AM
Cleared: Sat, Aug 15, 2026 5:00 AM

Latest update: A303 westbound Micheldever Station lane 1 closure on exit slip road

Coordinates: 51.189818, -1.253742
Latitude span: 51.189616 – 51.190029
Longitude span: -1.255955 – -1.251130
Bounding box centre: 51.189823, -1.253543
Location descriptions: A303 westbound between A30 and A34

A303 westbound exit at a minor junction between A30 and A34

Feed validity status: Planned
Overall feed start: Fri, Aug 14, 2026 6:00 PM
Overall feed end: Sat, Aug 15, 2026 5:00 AM
Feed window length: 11 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: A303 westbound between A30 and A34
Carriageway: Dual Carriageway
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 1 operational lane
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: {7DADAB63-1125-48E7-B165-13F6E4EBB783}
Linear Element Type: A Carriageway
From Distance: 220 m
To Distance: 341 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.190029 -1.25113
51.190026 -1.251181
51.189978 -1.252155
51.189953 -1.252513
51.189955 -1.252857

Segment 2

11 coordinate pairs

Description: A303 westbound exit at a minor junction between A30 and A34
Lane Usage: Cl1
Lane Number: 1
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 1 lane restricted
Operational Lanes: 1 operational lane
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: {C6FADB55-71F0-4AD6-8AEC-85F6923575D2}
Linear Element Type: A Carriageway Exit Slip
From Distance: 0 m
To Distance: 221 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.189955 -1.252857
51.189905 -1.253567
51.189864 -1.253887
51.189815 -1.254143
51.189742 -1.254413
51.189692 -1.254622
51.189656 -1.254827
51.189636 -1.255057
51.189616 -1.255262
51.189617 -1.255449
51.189651 -1.255955

Geometry type: MultiLineString
Geometry points: 16
First coordinate pair: -1.251130, 51.190029
Road section segments: 1
Road section points: 16

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.25113,
                51.190029
            ],
            [
                -1.251181,
                51.190026
            ],
            [
                -1.252155,
                51.189978
            ],
            [
                -1.252513,
                51.189953
            ],
            [
                -1.252857,
                51.189955
            ],
            [
                -1.252857,
                51.189955
            ],
            [
                -1.253567,
                51.189905
            ],
            [
                -1.253887,
                51.189864
            ],
            [
                -1.254143,
                51.189815
            ],
            [
                -1.254413,
                51.189742
            ],
            [
                -1.254622,
                51.189692
            ],
            [
                -1.254827,
                51.189656
            ],
            [
                -1.255057,
                51.189636
            ],
            [
                -1.255262,
                51.189616
            ],
            [
                -1.255449,
                51.189617
            ],
            [
                -1.255955,
                51.189651
            ]
        ]
    ]
}

View road section coordinates

Cause type: Authority Operation
Detailed cause: Other
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other
Feed region label: westbound exit at a minor