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

Cleared

Start time: Wed, Feb 4, 2026 8:00 PM
Expected end: Thu, Feb 5, 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

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First published: Wed, Feb 4, 2026 3:24 AM
Last updated: Wed, Feb 4, 2026 6:48 PM
Cleared: Thu, Feb 5, 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: Wed, Feb 4, 2026 8:00 PM
Overall feed end: Thu, Feb 5, 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

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

Segment 5

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 6

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

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

View geometry JSON

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}

View road section coordinates

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