A46 both directions Cold Ashton roundabout to London Road roundabout carriageway closure

Cleared

Start time: Tue, Feb 3, 2026 8:00 PM
Expected end: Wed, Feb 4, 2026 6:00 AM
Duration: 10 hours
Road: A46 – A46 Southbound Within The A4 Junction
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Reason: Maintenance 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

Get a property report

First published: Thu, Nov 27, 2025 10:19 AM
Last updated: Tue, Feb 3, 2026 9:43 PM
Cleared: Wed, Feb 4, 2026 6:00 AM

Latest update: A46 both directions Cold Ashton roundabout to London Road roundabout carriageway closure

Coordinates: 51.398968, -2.335934
Latitude span: 51.396398 – 51.403105
Longitude span: -2.338859 – -2.331753
Bounding box centre: 51.399752, -2.335306
Location descriptions: A46 southbound within the A4 junction

A46 southbound between A420 and A4

Feed validity status: Planned
Overall feed start: Tue, Feb 3, 2026 8:00 PM
Overall feed end: Wed, Feb 4, 2026 6:00 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

4 coordinate pairs

Description: A46 southbound within the A4 junction
Carriageway: Dual Carriageway
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A46
Linear Element Model: The Network Model
Linear Element Id: {30D40797-EDBE-40C6-A572-C65BA3551732}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 69 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.39888 -2.336914
51.398584 -2.336682
51.398423 -2.336522
51.398333 -2.336421

Segment 2

4 coordinate pairs

Description: A46 southbound within the A4 junction
Carriageway: Dual Carriageway
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A46
Linear Element Model: The Network Model
Linear Element Id: {2BED92B7-9116-48AC-8A36-CFD364F97107}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 111 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.402504 -2.338621
51.4024 -2.338578
51.401619 -2.338247
51.401538 -2.338213

Segment 3

7 coordinate pairs

Description: A46 southbound within the A4 junction
Carriageway: Dual Carriageway
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A46
Linear Element Model: The Network Model
Linear Element Id: {CDB60648-0C6E-4210-B820-F4F6A3EC9885}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 309 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.401538 -2.338213
51.40091 -2.337955
51.399895 -2.337539
51.399392 -2.337291
51.399293 -2.337227
51.399123 -2.337117
51.39888 -2.336914

Segment 4

3 coordinate pairs

Description: A46 southbound between A420 and A4
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A46
Linear Element Model: The Network Model
Linear Element Id: {74318F4D-F8AA-496F-A98A-C02851693797}
Linear Element Type: B Carriageway
From Distance: 2 m
To Distance: 62 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.403105 -2.338859
51.403045 -2.338833
51.40258 -2.338652

Segment 5

2 coordinate pairs

Description: A46 southbound between A420 and A4
Carriageway: Dual Carriageway
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A46
Linear Element Model: The Network Model
Linear Element Id: {35EB4B50-4471-42E2-862D-02098C84FBBF}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 8 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.40258 -2.338652
51.402504 -2.338621

Segment 6

19 coordinate pairs

Description: A46 southbound within the A4 junction
Carriageway: Dual Carriageway
Lanes Restricted: 1 lane restricted
Operational Lanes: 0 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A4
Linear Element Model: The Network Model
Linear Element Id: {99E825EF-3C2A-48A8-BF0E-72C5814F8B84}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 400 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.398333 -2.336421
51.398315 -2.336406
51.398109 -2.336175
51.39793 -2.335944
51.397644 -2.33551
51.397474 -2.335236
51.397143 -2.334558
51.397053 -2.334356
51.396938 -2.334039
51.396822 -2.333708
51.396741 -2.333463
51.39667 -2.333203
51.396626 -2.333016
51.396619 -2.332987
51.39651 -2.332512
51.396457 -2.332224
51.396422 -2.33198
51.396408 -2.33185
51.396398 -2.331753

Geometry type: MultiLineString
Geometry points: 39
First coordinate pair: -2.336914, 51.398880
Road section segments: 1
Road section points: 39

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.336914,
                51.39888
            ],
            [
                -2.336682,
                51.398584
            ],
            [
                -2.336522,
                51.398423
            ],
            [
                -2.336421,
                51.398333
            ],
            [
                -2.338621,
                51.402504
            ],
            [
                -2.338578,
                51.4024
            ],
            [
                -2.338247,
                51.401619
            ],
            [
                -2.338213,
                51.401538
            ],
            [
                -2.338213,
                51.401538
            ],
            [
                -2.337955,
                51.40091
            ],
            [
                -2.337539,
                51.399895
            ],
            [
                -2.337291,
                51.399392
            ],
            [
                -2.337227,
                51.399293
            ],
            [
                -2.337117,
                51.399123
            ],
            [
                -2.336914,
                51.39888
            ],
            [
                -2.338859,
                51.403105
            ],
            [
                -2.338833,
                51.403045
            ],
            [
                -2.338652,
                51.40258
            ],
            [
                -2.338652,
                51.40258
            ],
            [
                -2.338621,
                51.402504
            ],
            [
                -2.336421,
                51.398333
            ],
            [
                -2.336406,
                51.398315
            ],
            [
                -2.336175,
                51.398109
            ],
            [
                -2.335944,
                51.39793
            ],
            [
                -2.33551,
                51.397644
            ],
            [
                -2.335236,
                51.397474
            ],
            [
                -2.334558,
                51.397143
            ],
            [
                -2.334356,
                51.397053
            ],
            [
                -2.334039,
                51.396938
            ],
            [
                -2.333708,
                51.396822
            ],
            [
                -2.333463,
                51.396741
            ],
            [
                -2.333203,
                51.39667
            ],
            [
                -2.333016,
                51.396626
            ],
            [
                -2.332987,
                51.396619
            ],
            [
                -2.332512,
                51.39651
            ],
            [
                -2.332224,
                51.396457
            ],
            [
                -2.33198,
                51.396422
            ],
            [
                -2.33185,
                51.396408
            ],
            [
                -2.331753,
                51.396398
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures