Crash View

A40 both directions Ganerew to Welsh border Contraflow

Cleared

A40 both directions Ganerew to Welsh border Contraflow

Start time
Thu, Aug 28, 2025 5:00 AM
Expected end
Sat, Feb 28, 2026 6:00 AM
Duration
6 months 1 hour
Road
A40 – A40 Eastbound Between The Junction With The A466 (North) And The B4164
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 borrowed
Reason
Roadside Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details

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First published
Mon, Nov 17, 2025 3:57 PM
Last updated
Tue, Nov 18, 2025 8:07 PM
Cleared
Sat, Feb 28, 2026 6:00 AM
  • Latest update: A40 both directions Ganerew to Welsh border Contraflow
Coordinates
51.838899, -2.684834
Latitude span
51.830530 – 51.848917
Longitude span
-2.689069 – -2.673285
Bounding box centre
51.839724, -2.681177
Location descriptions
  • A40 eastbound between the junction with the A466 (north) and the B4164
  • A40 westbound between the junction with the B4164 and A466 (north)
Feed validity status
Active
Overall feed start
Thu, Aug 28, 2025 5:00 AM
Overall feed end
Sat, Feb 28, 2026 6:00 AM
Feed window length
6 months 1 hour
Probability code (raw)
certain
Compliance option (raw)
mandatory
Source identification (raw)
roadworks
Management type value
other
Contra-flow flag (raw)
true
Width restriction flag (raw)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

4 coordinate pairs
Description
A40 eastbound between the junction with the A466 (north) and the B4164
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Borrowed
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A40
Linear Element Model
The Network Model
Linear Element Id
{3D9F12B7-5BB5-4F9C-8057-F24C853275ED}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
223 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.843516 -2.681487
51.844166 -2.680727
51.844561 -2.680241
51.845112 -2.679528

Segment 2

11 coordinate pairs
Description
A40 westbound between the junction with the B4164 and A466 (north)
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Borrowed
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
West Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A40
Linear Element Model
The Network Model
Linear Element Id
{0511B8F8-2639-4D43-856C-6772B31F5647}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
340 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.833235 -2.688917
51.833377 -2.68889
51.833988 -2.688853
51.834308 -2.688806
51.834575 -2.688746
51.835138 -2.688579
51.835627 -2.688373
51.835638 -2.688368
51.835932 -2.688227
51.836204 -2.688076
51.836238 -2.688056

Segment 3

8 coordinate pairs
Description
A40 westbound between the junction with the B4164 and A466 (north)
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Borrowed
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
West Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A40
Linear Element Model
The Network Model
Linear Element Id
{E36BD524-2401-4E77-B24F-2923DF98119C}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
158 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.836238 -2.688056
51.836246 -2.688051
51.836498 -2.6879
51.836858 -2.687657
51.837091 -2.687466
51.837315 -2.68727
51.837509 -2.687103
51.837525 -2.687085

Segment 4

14 coordinate pairs
Description
A40 westbound between the junction with the B4164 and A466 (north)
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Borrowed
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
West Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A40
Linear Element Model
The Network Model
Linear Element Id
{7D949C76-6288-499E-A891-504E22CD9C88}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
770 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.837525 -2.687085
51.837697 -2.686897
51.838043 -2.686537
51.838719 -2.685808
51.838977 -2.685563
51.839398 -2.68521
51.83991 -2.68477
51.840776 -2.684063
51.841567 -2.683388
51.842306 -2.682733
51.842573 -2.682464
51.842889 -2.682158
51.843177 -2.68186
51.843516 -2.681487

Segment 5

8 coordinate pairs
Description
A40 eastbound between the junction with the A466 (north) and the B4164
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Borrowed
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
A40
Linear Element Model
The Network Model
Linear Element Id
{2BF99AA8-6AB4-4723-9057-FD62D7F59733}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
572 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.84533 -2.679244
51.845432 -2.679086
51.845983 -2.678267
51.846369 -2.677621
51.846941 -2.676671
51.847331 -2.675995
51.848168 -2.674543
51.848917 -2.673285

Segment 6

2 coordinate pairs
Description
A40 eastbound between the junction with the A466 (north) and the B4164
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Borrowed
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A40
Linear Element Model
The Network Model
Linear Element Id
{50AEBF86-56EE-4C21-A148-AA6014C8838F}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
31 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.845112 -2.679528
51.84533 -2.679244

Segment 7

9 coordinate pairs
Description
A40 westbound between the junction with the B4164 and A466 (north)
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Borrowed
Lane Direction
Aligned
Lanes Restricted
0 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
West Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
A40
Linear Element Model
The Network Model
Linear Element Id
{036CF7C2-D3C3-4B00-A299-53AD8ABF6A27}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
303 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.83053 -2.6887
51.831596 -2.688967
51.831718 -2.688998
51.831973 -2.689043
51.832187 -2.689069
51.832362 -2.689063
51.832759 -2.689014
51.833114 -2.688941
51.833235 -2.688917
Geometry type
MultiLineString
Geometry points
56
First coordinate pair
-2.681487, 51.843516
Road section segments
1
Road section points
56
View geometry JSON 
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    "type": "MultiLineString",
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                -2.681487,
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            ],
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            ],
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                -2.679528,
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            ],
            [
                -2.688917,
                51.833235
            ],
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            ],
            [
                -2.688227,
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            ],
            [
                -2.688076,
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            ],
            [
                -2.688056,
                51.836238
            ],
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                -2.688056,
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                -2.688051,
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                -2.687657,
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                -2.687466,
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            ],
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            ],
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            ],
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            ],
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            ],
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            ],
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                -2.679528,
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            ],
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            ],
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            ],
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                -2.688941,
                51.833114
            ],
            [
                -2.688917,
                51.833235
            ]
        ]
    ]
}
View road section coordinates 
[
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            -2.681487,
            51.843516
        ],
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            -2.680727,
            51.844166
        ],
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            51.844561
        ],
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        ],
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            -2.688917,
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        ],
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        ],
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            -2.688853,
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        ],
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            -2.688806,
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        ],
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            51.834575
        ],
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            -2.688579,
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        ],
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            51.835627
        ],
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        ],
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            -2.688227,
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        ],
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            -2.688076,
            51.836204
        ],
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        ],
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        ],
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        ],
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        ],
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            -2.687657,
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
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        ],
        [
            -2.679244,
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        ],
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            -2.6887,
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        ],
        [
            -2.688967,
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        ],
        [
            -2.688998,
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        ],
        [
            -2.689043,
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        ],
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            -2.689069,
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        ],
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            -2.689063,
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        ],
        [
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        ],
        [
            -2.688941,
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        ],
        [
            -2.688917,
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        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Roadside Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Restrictions in effect
Contra-flow in place
Feed region label
eastbound between the
Feed provider
National Highways
Data source
Roadworks
Feed version
26
Record created
Mon, Nov 17, 2025 3:57 PM
Record versioned
Tue, Nov 18, 2025 8:07 PM
Coordinate source
Geometry

Driving on the A40? See every live closure, roadwork and planned restriction on this road.

A40 live closures

Related incidents

M4 : Westbound : J23 Rogiet : 15/06/26-17/06/26 2000-0600 : Maintenance work : Closed : Diversions in place :

Active Roadworks Traffic Wales
Monmouthshire
Started Start time TBC

Description: M4 : Westbound : J23 Rogiet : 15/06/26-17/06/26 2000-0600 : Maintenance work : Closed : Diversions in place :, Start time: 15/06/2026 20:00 , End Date: 17/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/06/2026 8:02

View update

M4 : Eastbound : J23 Rogiet : 17/06/26-19/06/26 2000-0600 : Maintenance work : Closed : Diversions in place :

Active Roadworks Traffic Wales
Monmouthshire
Started Start time TBC

Description: M4 : Eastbound : J23 Rogiet : 17/06/26-19/06/26 2000-0600 : Maintenance work : Closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/06/2026 8:04

View update

A40 : Eastbound : Monmouth Dixton R/bout to Servicebridge : 14/04/26-30/06/26 0600 : Contraflow :

Active Roadworks Traffic Wales
Monmouthshire
Started Start time TBC

Description: A40 : Eastbound : Monmouth Dixton R/bout to Servicebridge : 14/04/26-30/06/26 0600 : Contraflow :, Start time: 14/04/2026 6:00 , End Date: 30/06/2026 6:00, Severity: Severe, Source: Welsh Government, Last updated: 14/04/2026 6:00

View update

A40 : Eastbound : Westbound : Abergavenny Hardwick R/bout to Abergavenny : 04/03/26-25/06/26 0930-1530 : Roadworks : STOP/GO in use :

Active Roadworks Traffic Wales
Monmouthshire
Started Start time TBC

Description: A40 : Eastbound : Westbound : Abergavenny Hardwick R/bout to Abergavenny : 04/03/26-25/06/26 0930-1530 : Roadworks : STOP/GO in use :, Start time: 04/03/2026 9:30 , End Date: 25/06/2026 15:30, Severity: Moderate, Source: Welsh Government, Last updated: 03/04/2026 11:10

View update

M4 eastbound Jct 23 to 22 lane 1 and 2 closed (203/3B to 195/7B)

Cleared Roadworks National Highways
Monmouthshire M4 · M4 Eastbound Between J23 And J22

Cleared 1 day 23 hours ago

Started 12 Jun 2026, 20:35 Ended 12 Jun 2026, 23:15

M4 eastbound Jct 23 to 22 lane 1 and 2 closed (203/3B to 195/7B)

Category: Road Maintenance
View update

M4 eastbound Jct 23 to 22 lane 1 and 2 closed (203/3B to 195/7B)

Cleared Roadworks National Highways
Monmouthshire M4 · M4 Eastbound Between J23 And J22

Cleared 1 day 17 hours ago

Started 12 Jun 2026, 20:00 Ended 13 Jun 2026, 05:00

M4 eastbound Jct 23 to 22 lane 1 and 2 closed (203/3B to 195/7B)

Category: Road Maintenance
View update