Crash View

A4 westbound lay-by carriageway closure

Cleared

A4 westbound lay-by carriageway closure

Start time
Mon, Sep 28, 2026 7:00 PM
Expected end
Tue, Sep 29, 2026 5:00 AM
Duration
10 hours
Road
A4 – A4 Westbound Between A363 And A46
Category
Road Maintenance
Direction
Westbound
Carriageway
Dual Carriageway
Reason
Road Marking Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Thu, Sep 17, 2026 8:54 AM
Last updated
Tue, Sep 29, 2026 4:39 AM
Cleared
Tue, Sep 29, 2026 5:00 AM
  • Latest update: A4 westbound lay-by carriageway closure
Coordinates
51.397435, -2.324879
Latitude span
51.397012 – 51.397979
Longitude span
-2.326079 – -2.323352
Bounding box centre
51.397496, -2.324716
Location descriptions
  • A4 westbound between A363 and A46
Feed validity status
Planned
Overall feed start
Mon, Sep 28, 2026 7:00 PM
Overall feed end
Tue, Sep 29, 2026 5:00 AM
Feed window length
10 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

3 coordinate pairs
Description
A4 westbound between A363 and A46
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
A4
Linear Element Model
The Network Model
Linear Element Id
{20C8377E-C508-49BB-ACAC-9C8F8B802E05}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
141 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.39766 -2.324235
51.397657 -2.324241
51.397038 -2.326006

Segment 2

2 coordinate pairs
Description
A4 westbound between A363 and A46
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
A4
Linear Element Model
The Network Model
Linear Element Id
{BF94A110-A23B-467C-8405-F59ACB830589}
Linear Element Type
A Carriageway
From Distance
33 m
To Distance
104 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.397979 -2.323352
51.39766 -2.324235

Segment 3

2 coordinate pairs
Description
A4 westbound between A363 and A46
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
A4
Linear Element Model
The Network Model
Linear Element Id
{FE5D9FE5-032E-4ED3-8F71-0C21A2825F8C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
5 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.397038 -2.326006
51.397012 -2.326079
Geometry type
MultiLineString
Geometry points
7
First coordinate pair
-2.324235, 51.397660
Road section segments
1
Road section points
7
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.324235,
                51.39766
            ],
            [
                -2.324241,
                51.397657
            ],
            [
                -2.326006,
                51.397038
            ],
            [
                -2.323352,
                51.397979
            ],
            [
                -2.324235,
                51.39766
            ],
            [
                -2.326006,
                51.397038
            ],
            [
                -2.326079,
                51.397012
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -2.324235,
            51.39766
        ],
        [
            -2.324241,
            51.397657
        ],
        [
            -2.326006,
            51.397038
        ],
        [
            -2.323352,
            51.397979
        ],
        [
            -2.324235,
            51.39766
        ],
        [
            -2.326006,
            51.397038
        ],
        [
            -2.326079,
            51.397012
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Road Marking Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Carriageway Closures
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Sep 17, 2026 8:54 AM
Record versioned
Tue, Sep 29, 2026 4:39 AM
Coordinate source
Geometry

Driving on the A4? See every live closure, roadwork and planned restriction on this road.

A4 live closures

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