Crash View

A303 westbound Wincanton slip road lane closure

Cleared

A303 westbound Wincanton slip road lane closure

Start time
Thu, Sep 24, 2026 6:41 PM
Expected end
Fri, Sep 25, 2026 5:00 AM
Duration
5 hours 19 minutes 2 seconds
Road
A303 – A303 Westbound Access From A371
Category
Road Maintenance
Direction
Westbound
Carriageway
Singlecarriageway
Lanes affected
Lane 2 closed, 1 of 1 lanes affected
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
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First published
Thu, Sep 24, 2026 6:42 PM
Last updated
Thu, Sep 24, 2026 11:25 PM
Cleared
Fri, Sep 25, 2026 12:00 AM
  • Latest update: A303 westbound Wincanton slip road lane closure
Coordinates
51.047720, -2.417242
Latitude span
51.046748 – 51.050236
Longitude span
-2.418504 – -2.415524
Bounding box centre
51.048492, -2.417014
Location descriptions
  • A303 westbound access from A371
  • A303 westbound exit for A371
  • connector at A303/A371
Feed validity status
Active
Overall feed start
Thu, Sep 24, 2026 6:41 PM
Overall feed end
Fri, Sep 25, 2026 5:00 AM
Feed window length
10 hours 19 minutes
Probability code (raw)
certain
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

2 coordinate pairs
Description
A303 westbound access from A371
Carriageway
Single Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
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
{586AF654-E6E9-4CB6-942B-4B2166D8F34C}
Linear Element Type
Other
From Distance
0 m
To Distance
20 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.049439 -2.418429
51.049263 -2.418488

Segment 2

2 coordinate pairs
Description
A303 westbound exit for A371
Carriageway
Single Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
West Bound
Direction Relative
Both
Height Grade
Start2 End2
Linear Element Road
A303
Linear Element Model
The Network Model
Linear Element Id
{E1CC7FCF-0CA2-4838-B3B1-88EA59DC08D8}
Linear Element Type
A Carriageway Exit Slip
From Distance
0 m
To Distance
13 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.048334 -2.418232
51.048216 -2.418194

Segment 3

2 coordinate pairs
Description
A303 westbound exit for A371
Carriageway
Single Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
West Bound
Direction Relative
Both
Height Grade
Start1 End2
Linear Element Road
A303
Linear Element Model
The Network Model
Linear Element Id
{CD62BE62-D088-4F1A-9A8F-7B6EC2C747BB}
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 
51.049263 -2.418488
51.048334 -2.418232

Segment 4

3 coordinate pairs
Description
A303 westbound access from A371
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
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
{63EE6E0F-4365-493C-B315-45634BE4CA99}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
21 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.047265 -2.415554
51.047389 -2.415524
51.047458 -2.415524

Segment 5

12 coordinate pairs
Description
A303 westbound exit for A371
Carriageway
Single Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
West Bound
Direction Relative
Both
Height Grade
Start1 End1
Linear Element Road
A303
Linear Element Model
The Network Model
Linear Element Id
{683AA393-B978-456F-8A75-58E76E02C89B}
Linear Element Type
A Carriageway Exit Slip
From Distance
0 m
To Distance
117 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.046755 -2.416893
51.046748 -2.416834
51.046748 -2.416748
51.046758 -2.416563
51.046785 -2.416377
51.046822 -2.416207
51.046876 -2.416064
51.046894 -2.416007
51.046949 -2.415908
51.047003 -2.415823
51.047184 -2.415611
51.047265 -2.415554

Segment 6

5 coordinate pairs
Description
connector at A303/A371
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A303
Linear Element Model
The Network Model
Linear Element Id
{6225CF09-441A-4CEB-9062-6A53D60307B6}
Linear Element Type
Other
From Distance
8 m
To Distance
97 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.050236 -2.418492
51.050203 -2.418498
51.050024 -2.418504
51.04961 -2.418472
51.049439 -2.418429

Segment 7

12 coordinate pairs
Description
A303 westbound exit for A371
Carriageway
Single Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
1 operational lane
Direction On Section
West Bound
Direction Relative
Both
Height Grade
Start2 End1
Linear Element Road
A303
Linear Element Model
The Network Model
Linear Element Id
{462E57AE-ED37-47AC-AAA6-01373970DF9B}
Linear Element Type
A Carriageway Exit Slip
From Distance
0 m
To Distance
202 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.048216 -2.418194
51.047637 -2.418024
51.047434 -2.417967
51.047304 -2.417896
51.047197 -2.417835
51.047087 -2.417723
51.047004 -2.417628
51.046932 -2.417519
51.04687 -2.417397
51.046845 -2.417291
51.0468 -2.417162
51.046755 -2.416893
Geometry type
MultiLineString
Geometry points
38
First coordinate pair
-2.418429, 51.049439
Road section segments
1
Road section points
38
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.418429,
                51.049439
            ],
            [
                -2.418488,
                51.049263
            ],
            [
                -2.418232,
                51.048334
            ],
            [
                -2.418194,
                51.048216
            ],
            [
                -2.418488,
                51.049263
            ],
            [
                -2.418232,
                51.048334
            ],
            [
                -2.415554,
                51.047265
            ],
            [
                -2.415524,
                51.047389
            ],
            [
                -2.415524,
                51.047458
            ],
            [
                -2.416893,
                51.046755
            ],
            [
                -2.416834,
                51.046748
            ],
            [
                -2.416748,
                51.046748
            ],
            [
                -2.416563,
                51.046758
            ],
            [
                -2.416377,
                51.046785
            ],
            [
                -2.416207,
                51.046822
            ],
            [
                -2.416064,
                51.046876
            ],
            [
                -2.416007,
                51.046894
            ],
            [
                -2.415908,
                51.046949
            ],
            [
                -2.415823,
                51.047003
            ],
            [
                -2.415611,
                51.047184
            ],
            [
                -2.415554,
                51.047265
            ],
            [
                -2.418492,
                51.050236
            ],
            [
                -2.418498,
                51.050203
            ],
            [
                -2.418504,
                51.050024
            ],
            [
                -2.418472,
                51.04961
            ],
            [
                -2.418429,
                51.049439
            ],
            [
                -2.418194,
                51.048216
            ],
            [
                -2.418024,
                51.047637
            ],
            [
                -2.417967,
                51.047434
            ],
            [
                -2.417896,
                51.047304
            ],
            [
                -2.417835,
                51.047197
            ],
            [
                -2.417723,
                51.047087
            ],
            [
                -2.417628,
                51.047004
            ],
            [
                -2.417519,
                51.046932
            ],
            [
                -2.417397,
                51.04687
            ],
            [
                -2.417291,
                51.046845
            ],
            [
                -2.417162,
                51.0468
            ],
            [
                -2.416893,
                51.046755
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -2.418429,
            51.049439
        ],
        [
            -2.418488,
            51.049263
        ],
        [
            -2.418232,
            51.048334
        ],
        [
            -2.418194,
            51.048216
        ],
        [
            -2.418488,
            51.049263
        ],
        [
            -2.418232,
            51.048334
        ],
        [
            -2.415554,
            51.047265
        ],
        [
            -2.415524,
            51.047389
        ],
        [
            -2.415524,
            51.047458
        ],
        [
            -2.416893,
            51.046755
        ],
        [
            -2.416834,
            51.046748
        ],
        [
            -2.416748,
            51.046748
        ],
        [
            -2.416563,
            51.046758
        ],
        [
            -2.416377,
            51.046785
        ],
        [
            -2.416207,
            51.046822
        ],
        [
            -2.416064,
            51.046876
        ],
        [
            -2.416007,
            51.046894
        ],
        [
            -2.415908,
            51.046949
        ],
        [
            -2.415823,
            51.047003
        ],
        [
            -2.415611,
            51.047184
        ],
        [
            -2.415554,
            51.047265
        ],
        [
            -2.418492,
            51.050236
        ],
        [
            -2.418498,
            51.050203
        ],
        [
            -2.418504,
            51.050024
        ],
        [
            -2.418472,
            51.04961
        ],
        [
            -2.418429,
            51.049439
        ],
        [
            -2.418194,
            51.048216
        ],
        [
            -2.418024,
            51.047637
        ],
        [
            -2.417967,
            51.047434
        ],
        [
            -2.417896,
            51.047304
        ],
        [
            -2.417835,
            51.047197
        ],
        [
            -2.417723,
            51.047087
        ],
        [
            -2.417628,
            51.047004
        ],
        [
            -2.417519,
            51.046932
        ],
        [
            -2.417397,
            51.04687
        ],
        [
            -2.417291,
            51.046845
        ],
        [
            -2.417162,
            51.0468
        ],
        [
            -2.416893,
            51.046755
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Sep 24, 2026 6:42 PM
Record versioned
Thu, Sep 24, 2026 11:25 PM
Coordinate source
Geometry

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

A303 live closures

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A303 eastbound Martock to Cartgate roundabout lane closure (209/1 to 207/4)

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Starts in 3 hours 53 minutes

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A303 westbound Micheldever Station lane 1 closure on exit slip road

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Cleared 10 hours 31 minutes ago

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A303 westbound Micheldever Station lane 1 closure on exit slip road

Category: Authority Operation
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