Crash View

A40 both directions Ganerew to Welsh border Contraflow

Cleared

A40 both directions Ganerew to Welsh border Contraflow

Start time
Sat, Mar 28, 2026 6:00 AM
Expected end
Mon, May 18, 2026 5:00 AM
Duration
1 month 2 weeks 5 days
Road
A40 – A40 Westbound Between The Junction With The B4164 And A466 (North)
Category
Road Maintenance
Direction
Westbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 borrowed
Reason
Roadside Work
Live incident
Active roadworks
Planned
Cleared
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First published
Wed, Apr 1, 2026 9:52 AM
Last updated
Wed, Apr 8, 2026 11:55 PM
Cleared
Mon, May 18, 2026 5:00 AM
  • Latest update: A40 both directions Ganerew to Welsh border Contraflow
Coordinates
51.832359, -2.688959
Latitude span
51.830530 – 51.833238
Longitude span
-2.689069 – -2.688700
Bounding box centre
51.831884, -2.688885
Location descriptions
  • A40 westbound between the junction with the B4164 and A466 (north)
Feed validity status
Suspended
Overall feed start
Sat, Mar 28, 2026 6:00 AM
Overall feed end
Mon, May 18, 2026 5:00 AM
Feed window length
1 month 2 weeks 5 days
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

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

Segment 2

2 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
0 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.833235 -2.688917
51.833238 -2.688917
Geometry type
MultiLineString
Geometry points
11
First coordinate pair
-2.688700, 51.830530
Road section segments
1
Road section points
11
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.6887,
                51.83053
            ],
            [
                -2.688967,
                51.831596
            ],
            [
                -2.688998,
                51.831718
            ],
            [
                -2.689043,
                51.831973
            ],
            [
                -2.689069,
                51.832187
            ],
            [
                -2.689063,
                51.832362
            ],
            [
                -2.689014,
                51.832759
            ],
            [
                -2.688941,
                51.833114
            ],
            [
                -2.688917,
                51.833235
            ],
            [
                -2.688917,
                51.833235
            ],
            [
                -2.688917,
                51.833238
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -2.6887,
            51.83053
        ],
        [
            -2.688967,
            51.831596
        ],
        [
            -2.688998,
            51.831718
        ],
        [
            -2.689043,
            51.831973
        ],
        [
            -2.689069,
            51.832187
        ],
        [
            -2.689063,
            51.832362
        ],
        [
            -2.689014,
            51.832759
        ],
        [
            -2.688941,
            51.833114
        ],
        [
            -2.688917,
            51.833235
        ],
        [
            -2.688917,
            51.833235
        ],
        [
            -2.688917,
            51.833238
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Roadside Work
Compliance
Mandatory
Probability
Certain
Validity status
Suspended
Road management
Other
Restrictions in effect
Contra-flow in place
Feed region label
westbound between the
Feed provider
National Highways
Data source
Roadworks
Feed version
32
Record created
Wed, Apr 1, 2026 9:52 AM
Record versioned
Wed, Apr 8, 2026 11:55 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 11 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 6 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