Crash View

A46 northbound Dyrham Park to Tormarton road narrows

Cleared

A46 northbound Dyrham Park to Tormarton road narrows

Start time
Mon, Sep 14, 2026 5:00 AM
Expected end
Mon, Sep 14, 2026 5:00 PM
Duration
12 hours
Road
A46 – A46 Northbound Between A420 And M4
Category
Road Maintenance
Direction
Northbound
Carriageway
Singlecarriageway
Lanes affected
Lane 1 narrow
Reason
Tree And Vegetation Cutting Work
Live incident
Active roadworks
Planned
Cleared
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First published
Mon, Aug 3, 2026 2:32 PM
Last updated
Mon, Sep 14, 2026 4:40 PM
Cleared
Mon, Sep 14, 2026 5:00 PM
  • Latest update: A46 northbound Dyrham Park to Tormarton road narrows
Coordinates
51.489531, -2.357756
Latitude span
51.486957 – 51.490961
Longitude span
-2.360218 – -2.356578
Bounding box centre
51.488959, -2.358398
Location descriptions
  • A46 northbound between A420 and M4
Feed validity status
Planned
Overall feed start
Mon, Sep 14, 2026 5:00 AM
Overall feed end
Mon, Sep 14, 2026 5:00 PM
Feed window length
12 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)
true
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

8 coordinate pairs
Description
A46 northbound between A420 and M4
Carriageway
Single Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
North Bound
Direction Relative
Both
Height Grade
Start1 End1
Linear Element Road
A46
Linear Element Model
The Network Model
Linear Element Id
{817B8DCA-B533-40F0-B568-71F1FA83CDC7}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
83 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.490249 -2.356934
51.490312 -2.356887
51.490615 -2.356714
51.49068 -2.356678
51.490764 -2.356648
51.490772 -2.356645
51.490926 -2.356583
51.490961 -2.356578

Segment 2

13 coordinate pairs
Description
A46 northbound between A420 and M4
Carriageway
Single Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Narrow
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
North Bound
Direction Relative
Both
Height Grade
Start1 End1
Linear Element Road
A46
Linear Element Model
The Network Model
Linear Element Id
{73E1621D-33FC-478D-815B-59A55B4DE1AD}
Linear Element Type
A Carriageway
From Distance
99 m
To Distance
532 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.486957 -2.360218
51.487804 -2.359561
51.487904 -2.359475
51.488048 -2.359347
51.488192 -2.359218
51.488363 -2.359018
51.489149 -2.358032
51.489275 -2.357873
51.489483 -2.35763
51.489618 -2.357487
51.489771 -2.357344
51.49006 -2.357073
51.490249 -2.356934
Geometry type
MultiLineString
Geometry points
21
First coordinate pair
-2.356934, 51.490249
Road section segments
1
Road section points
21
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.356934,
                51.490249
            ],
            [
                -2.356887,
                51.490312
            ],
            [
                -2.356714,
                51.490615
            ],
            [
                -2.356678,
                51.49068
            ],
            [
                -2.356648,
                51.490764
            ],
            [
                -2.356645,
                51.490772
            ],
            [
                -2.356583,
                51.490926
            ],
            [
                -2.356578,
                51.490961
            ],
            [
                -2.360218,
                51.486957
            ],
            [
                -2.359561,
                51.487804
            ],
            [
                -2.359475,
                51.487904
            ],
            [
                -2.359347,
                51.488048
            ],
            [
                -2.359218,
                51.488192
            ],
            [
                -2.359018,
                51.488363
            ],
            [
                -2.358032,
                51.489149
            ],
            [
                -2.357873,
                51.489275
            ],
            [
                -2.35763,
                51.489483
            ],
            [
                -2.357487,
                51.489618
            ],
            [
                -2.357344,
                51.489771
            ],
            [
                -2.357073,
                51.49006
            ],
            [
                -2.356934,
                51.490249
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -2.356934,
            51.490249
        ],
        [
            -2.356887,
            51.490312
        ],
        [
            -2.356714,
            51.490615
        ],
        [
            -2.356678,
            51.49068
        ],
        [
            -2.356648,
            51.490764
        ],
        [
            -2.356645,
            51.490772
        ],
        [
            -2.356583,
            51.490926
        ],
        [
            -2.356578,
            51.490961
        ],
        [
            -2.360218,
            51.486957
        ],
        [
            -2.359561,
            51.487804
        ],
        [
            -2.359475,
            51.487904
        ],
        [
            -2.359347,
            51.488048
        ],
        [
            -2.359218,
            51.488192
        ],
        [
            -2.359018,
            51.488363
        ],
        [
            -2.358032,
            51.489149
        ],
        [
            -2.357873,
            51.489275
        ],
        [
            -2.35763,
            51.489483
        ],
        [
            -2.357487,
            51.489618
        ],
        [
            -2.357344,
            51.489771
        ],
        [
            -2.357073,
            51.49006
        ],
        [
            -2.356934,
            51.490249
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Tree And Vegetation Cutting Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Restrictions in effect
Width restriction
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Mon, Aug 3, 2026 2:32 PM
Record versioned
Mon, Sep 14, 2026 4:40 PM
Coordinate source
Geometry

Driving on the A46? See every live closure, roadwork and planned restriction on this road.

A46 live closures

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Started Start time TBC

Description: A466 : Both directions : M48 J2 Newhouse to A48 Interchange : Resurfacing work : Road closed : Diversions in place : 12/10/26-15/10/26 2000-0600 :, Start time: 12/10/2026 20:00 , End Date: 15/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 11:57

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