A303 westbound Marsh exit slip road closure

Planned

A303 westbound Marsh exit slip road closure

Start time
Mon, Aug 10, 2026 7:30 PM
Expected end
Tue, Aug 11, 2026 5:00 AM
Duration
9 hours 30 minutes
Road
A303 – A303 Westbound Between A358 And A30/A35
Category
Road Maintenance
Direction
Westbound
Reason
Road Marking Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

Move Insights

Thinking of moving to this area?

Check flood risk, planning history, EPC ratings and more with a Move Insights property report.

Flood risk assessment
Planning history
EPC ratings & more
First published
Wed, Jul 22, 2026 1:49 PM
Last updated
Mon, Aug 10, 2026 9:00 AM
Cleared
Tue, Aug 11, 2026 5:00 AM
  • 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
Planned
Overall feed start
Mon, Aug 10, 2026 7:30 PM
Overall feed end
Tue, Aug 11, 2026 5:00 AM
Feed window length
9 hours 30 minutes
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

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
[
    [
        [
            -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
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Road Marking Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed region label
westbound at a minor
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Wed, Jul 22, 2026 1:49 PM
Record versioned
Mon, Aug 10, 2026 9:00 AM
Coordinate source
Geometry

Driving on the A303? See every live closure, roadwork and planned restriction on this road.

A303 live closures

Related incidents

A35 Trinity Hill westbound 2 way traffic lights

Active Roadworks National Highways
East Devon A35 · A35 Eastbound Between A358 And B3165

Expected to clear in 5 hours 49 minutes

Started 10 Aug 2026, 08:00 Expected clear 10 Aug 2026, 15:00

A35 Trinity Hill westbound 2 way traffic lights

Category: Construction Work
View update

A30 Turks Head 4 way traffic lights

Active Roadworks National Highways
East Devon A30 · Link Road From A375 To A30

Expected to clear in 5 hours 49 minutes

Started 10 Aug 2026, 08:00 Expected clear 10 Aug 2026, 15:00

A30 Turks Head 4 way traffic lights

Category: Road Maintenance
View update

A303 eastbound Willoughby Hedge to A350 Jct lane 2 closure

Planned Roadworks National Highways
Wiltshire A303 · A303 Westbound Between A350 And B3095

Starts in 9 hours 49 minutes

Starts 10 Aug 2026, 19:00 Expected clear 11 Aug 2026, 05:00

A303 eastbound Willoughby Hedge to A350 Jct lane 2 closure

Category: Road Maintenance
View update

A35 Fern Lane Offwell 2 way traffic lights for abling works and pole test

Cleared Roadworks National Highways
East Devon A35 · A35 Eastbound Between A375 And A358

Cleared 20 hours 10 minutes ago

Started 9 Aug 2026, 05:00 Ended 9 Aug 2026, 13:00

A35 Fern Lane Offwell 2 way traffic lights for abling works and pole test

Category: Authority Operation
View update

A303 eastbound lane 2 closure (106/5 to 102/6)

Cleared Roadworks National Highways
Andover A303 · A303 Eastbound Between A3057 And A3093

Cleared 2 days 13 hours ago

Started 7 Aug 2026, 20:00 Ended 7 Aug 2026, 20:00

A303 eastbound lane 2 closure (106/5 to 102/6)

Category: Road Maintenance
View update

A303 eastbound lane 2 closure (104/5 to 102/6)

Cleared Roadworks National Highways
Basingstoke A303 · A303 Eastbound Between A3093 And B3048

Cleared 2 days 4 hours ago

Started 7 Aug 2026, 20:00 Ended 8 Aug 2026, 04:25

A303 eastbound lane 2 closure (104/5 to 102/6)

Category: Road Maintenance
View update