A404 southbound lane 1 closure on exit slip road

Planned

A404 southbound lane 1 closure on exit slip road

Start time
Thu, Nov 5, 2026 8:00 PM
Expected end
Fri, Nov 6, 2026 6:00 AM
Duration
10 hours
Road
A404 – A404 Southbound Exit For A4155
Category
Authority Operation
Direction
Southbound
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, Sep 28, 2026 2:36 PM
Last updated
Thu, Nov 5, 2026 6:50 PM
Cleared
Fri, Nov 6, 2026 6:00 AM
  • Latest update: A404 southbound lane 1 closure on exit slip road
Coordinates
51.583517, -0.757039
Latitude span
51.581657 – 51.585041
Longitude span
-0.757503 – -0.756296
Bounding box centre
51.583349, -0.756900
Location descriptions
  • A404 southbound exit for A4155
  • A404 southbound between M40 and A4155
Feed validity status
Planned
Overall feed start
Thu, Nov 5, 2026 8:00 PM
Overall feed end
Fri, Nov 6, 2026 6:00 AM
Feed window length
10 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
A404 southbound exit for A4155
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
South Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A404
Linear Element Model
The Network Model
Linear Element Id
{A6E6FC75-ED75-4B24-9F00-BE2F8308FB81}
Linear Element Type
B Carriageway Exit Slip
From Distance
0 m
To Distance
253 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.583855 -0.757216
51.583038 -0.756923
51.582859 -0.756854
51.581797 -0.756443
51.581657 -0.756296

Segment 2

4 coordinate pairs
Description
A404 southbound between M40 and A4155
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
South Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
A404
Linear Element Model
The Network Model
Linear Element Id
{B77D5C44-D00A-4F33-87F9-ED926ADA5E51}
Linear Element Type
B Carriageway
From Distance
722 m
To Distance
855 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.585041 -0.757503
51.58491 -0.757477
51.584642 -0.757423
51.583855 -0.757216
Geometry type
MultiLineString
Geometry points
9
First coordinate pair
-0.757216, 51.583855
Road section segments
1
Road section points
9
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.757216,
                51.583855
            ],
            [
                -0.756923,
                51.583038
            ],
            [
                -0.756854,
                51.582859
            ],
            [
                -0.756443,
                51.581797
            ],
            [
                -0.756296,
                51.581657
            ],
            [
                -0.757503,
                51.585041
            ],
            [
                -0.757477,
                51.58491
            ],
            [
                -0.757423,
                51.584642
            ],
            [
                -0.757216,
                51.583855
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -0.757216,
            51.583855
        ],
        [
            -0.756923,
            51.583038
        ],
        [
            -0.756854,
            51.582859
        ],
        [
            -0.756443,
            51.581797
        ],
        [
            -0.756296,
            51.581657
        ],
        [
            -0.757503,
            51.585041
        ],
        [
            -0.757477,
            51.58491
        ],
        [
            -0.757423,
            51.584642
        ],
        [
            -0.757216,
            51.583855
        ]
    ]
]
Cause type
Authority Operation
Detailed cause
Other
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Mon, Sep 28, 2026 2:36 PM
Record versioned
Thu, Nov 5, 2026 6:50 PM
Coordinate source
Geometry

Driving on the A404? See every live closure, roadwork and planned restriction on this road.

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