A303 westbound Marsh exit slip road closure

Cleared

Start time: Mon, Aug 10, 2026 7:49 PM
Expected end: Tue, Aug 11, 2026 5:00 AM
Duration: 2 hours 16 minutes 2 seconds
Road: A303 – A303 Westbound Between A358 And A30/A35
Category: Road Maintenance
Direction: Westbound
Reason: Road Marking Work

Live incident

Active roadworks

Planned

Cleared

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First published: Mon, Aug 10, 2026 7:49 PM
Last updated: Mon, Aug 10, 2026 9:40 PM
Cleared: Mon, Aug 10, 2026 10:05 PM

Latest update: A303 westbound Marsh exit slip road closure

Coordinates: 50.892466, -3.055296
Latitude span: 50.891594 – 50.893361
Longitude span: -3.055875 – -3.054577
Bounding box centre: 50.892478, -3.055226
Location descriptions: A303 westbound between A358 and A30/A35

A303 westbound at a minor junction between A358 and A30/A35

Feed validity status: Active
Overall feed start: Mon, Aug 10, 2026 7:49 PM
Overall feed end: Tue, Aug 11, 2026 5:00 AM
Feed window length: 9 hours 11 minutes
Probability code (raw): certain
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: A303 westbound between A358 and A30/A35
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: {52DE497F-0294-4E61-A6C8-70A532ACDDC5}
Linear Element Type: A Carriageway Exit Slip
From Distance: 0 m
To Distance: 113 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

50.893361 -3.054577
50.8931 -3.054756
50.892883 -3.055002
50.892678 -3.055208
50.892554 -3.055316
50.892474 -3.055361

Segment 2

4 coordinate pairs

Description: A303 westbound at a minor junction between A358 and A30/A35
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: {C6AE991E-7AD3-4B08-8D59-548D143204E7}
Linear Element Type: A Carriageway Exit Slip
From Distance: 0 m
To Distance: 104 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

50.892474 -3.055361
50.891852 -3.055714
50.891694 -3.055794
50.891594 -3.055875

Geometry type: MultiLineString
Geometry points: 10
First coordinate pair: -3.054577, 50.893361
Road section segments: 1
Road section points: 10

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -3.054577,
                50.893361
            ],
            [
                -3.054756,
                50.8931
            ],
            [
                -3.055002,
                50.892883
            ],
            [
                -3.055208,
                50.892678
            ],
            [
                -3.055316,
                50.892554
            ],
            [
                -3.055361,
                50.892474
            ],
            [
                -3.055361,
                50.892474
            ],
            [
                -3.055714,
                50.891852
            ],
            [
                -3.055794,
                50.891694
            ],
            [
                -3.055875,
                50.891594
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Road Marking Work
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Carriageway Closures
Feed region label: westbound at a minor