M40 Northbound, Jct 8a, Lane 1 closure on entry slip road.

Cleared

M40 Northbound, Jct 8a, Lane 1 closure on entry slip road.

Start time
Fri, Jun 12, 2026 8:00 PM
Expected end
Sat, Jun 13, 2026 5:00 AM
Duration
9 hours
Road
M40 – M40 J8A Northbound Access
Category
Road Maintenance
Direction
Northbound
Carriageway
Dual Carriageway
Lanes affected
Lane 1 closed, 1 of 2 lanes affected, 1 of 3 lanes affected
Reason
Repair 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
First published
Mon, Jun 8, 2026 8:25 AM
Last updated
Sat, Jun 13, 2026 4:44 AM
Cleared
Sat, Jun 13, 2026 5:00 AM
  • Latest update: M40 Northbound, Jct 8a, Lane 1 closure on entry slip road.
Coordinates
51.742736, -1.098762
Latitude span
51.740079 – 51.747934
Longitude span
-1.102979 – -1.096756
Bounding box centre
51.744007, -1.099868
Location descriptions
  • M40 J8A northbound access
  • M40 northbound between J8A and J9
Feed validity status
Planned
Overall feed start
Fri, Jun 12, 2026 8:00 PM
Overall feed end
Sat, Jun 13, 2026 5:00 AM
Feed window length
9 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)
false
Height restriction flag (raw)
false
Weight restriction flag (raw)
false

Segment 1

5 coordinate pairs
Description
M40 J8A northbound access
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
2 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{E2DD160C-2414-48BB-B2FD-128ECEAF1649}
Linear Element Type
A Carriageway Entry Slip
From Distance
11 m
To Distance
42 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.740079 -1.096769
51.740193 -1.096757
51.740238 -1.096756
51.74031 -1.09677
51.740353 -1.096797

Segment 2

10 coordinate pairs
Description
M40 northbound between J8A and J9
Carriageway
Dual Carriageway
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{35F2E6A7-3BED-4659-81F2-5EF9F0948C99}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
583 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.743268 -1.099144
51.743486 -1.099371
51.744147 -1.099981
51.744546 -1.100335
51.744817 -1.100576
51.745695 -1.101312
51.746047 -1.10158
51.746726 -1.102146
51.747865 -1.102934
51.747934 -1.102979

Segment 3

11 coordinate pairs
Description
M40 J8A northbound access
Lane Usage
Cl1
Lane Number
1
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
2 operational lanes
Direction On Section
North Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M40
Linear Element Model
The Network Model
Linear Element Id
{FFB0F808-B1E2-4EB1-953E-CBA43E031F04}
Linear Element Type
A Carriageway Entry Slip
From Distance
0 m
To Distance
363 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.740353 -1.096797
51.740355 -1.096798
51.7405 -1.096882
51.740707 -1.097008
51.740924 -1.097163
51.741123 -1.097318
51.741322 -1.097474
51.74163 -1.097728
51.742445 -1.098508
51.742816 -1.098791
51.743268 -1.099144
Geometry type
MultiLineString
Geometry points
26
First coordinate pair
-1.096769, 51.740079
Road section segments
1
Road section points
26
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.096769,
                51.740079
            ],
            [
                -1.096757,
                51.740193
            ],
            [
                -1.096756,
                51.740238
            ],
            [
                -1.09677,
                51.74031
            ],
            [
                -1.096797,
                51.740353
            ],
            [
                -1.099144,
                51.743268
            ],
            [
                -1.099371,
                51.743486
            ],
            [
                -1.099981,
                51.744147
            ],
            [
                -1.100335,
                51.744546
            ],
            [
                -1.100576,
                51.744817
            ],
            [
                -1.101312,
                51.745695
            ],
            [
                -1.10158,
                51.746047
            ],
            [
                -1.102146,
                51.746726
            ],
            [
                -1.102934,
                51.747865
            ],
            [
                -1.102979,
                51.747934
            ],
            [
                -1.096797,
                51.740353
            ],
            [
                -1.096798,
                51.740355
            ],
            [
                -1.096882,
                51.7405
            ],
            [
                -1.097008,
                51.740707
            ],
            [
                -1.097163,
                51.740924
            ],
            [
                -1.097318,
                51.741123
            ],
            [
                -1.097474,
                51.741322
            ],
            [
                -1.097728,
                51.74163
            ],
            [
                -1.098508,
                51.742445
            ],
            [
                -1.098791,
                51.742816
            ],
            [
                -1.099144,
                51.743268
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -1.096769,
            51.740079
        ],
        [
            -1.096757,
            51.740193
        ],
        [
            -1.096756,
            51.740238
        ],
        [
            -1.09677,
            51.74031
        ],
        [
            -1.096797,
            51.740353
        ],
        [
            -1.099144,
            51.743268
        ],
        [
            -1.099371,
            51.743486
        ],
        [
            -1.099981,
            51.744147
        ],
        [
            -1.100335,
            51.744546
        ],
        [
            -1.100576,
            51.744817
        ],
        [
            -1.101312,
            51.745695
        ],
        [
            -1.10158,
            51.746047
        ],
        [
            -1.102146,
            51.746726
        ],
        [
            -1.102934,
            51.747865
        ],
        [
            -1.102979,
            51.747934
        ],
        [
            -1.096797,
            51.740353
        ],
        [
            -1.096798,
            51.740355
        ],
        [
            -1.096882,
            51.7405
        ],
        [
            -1.097008,
            51.740707
        ],
        [
            -1.097163,
            51.740924
        ],
        [
            -1.097318,
            51.741123
        ],
        [
            -1.097474,
            51.741322
        ],
        [
            -1.097728,
            51.74163
        ],
        [
            -1.098508,
            51.742445
        ],
        [
            -1.098791,
            51.742816
        ],
        [
            -1.099144,
            51.743268
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Repair Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Mon, Jun 8, 2026 8:25 AM
Record versioned
Sat, Jun 13, 2026 4:44 AM
Coordinate source
Geometry

Driving on the M40? See every live closure, roadwork and planned restriction on this road.

M40 live closures

Related incidents

A404 Northbound entry slip road closure

Planned Roadworks National Highways
Wycombe M40 · M40 J4 Northbound Access

Expected to clear in 7 hours 3 minutes

Started 13 Jun 2026, 21:15 Expected clear 14 Jun 2026, 05:00

A404 Northbound entry slip road closure

Category: Road Maintenance
View update

M40 Southbound Jct 6 to Jct 4 lane 2 and 3 closure

Planned Roadworks National Highways
Wycombe M40 · M40 Southbound Between J6 And J5

Expected to clear in 7 hours 3 minutes

Started 13 Jun 2026, 20:00 Expected clear 14 Jun 2026, 05:00

M40 Southbound Jct 6 to Jct 4 lane 2 and 3 closure

Category: Construction Work
View update

M40 Southbound Jct 5 to Jct 4 lane 3 and 2 closure

Planned Roadworks National Highways
Wycombe M40 · M40 Southbound Within J4

Expected to clear in 7 hours 3 minutes

Started 13 Jun 2026, 20:00 Expected clear 14 Jun 2026, 05:00

M40 Southbound Jct 5 to Jct 4 lane 3 and 2 closure

Category: Road Maintenance
View update

M40 Southbound Jct 5 to Jct 4 lane 3 and 2 closure

Cleared Roadworks National Highways
Wycombe M40 · M40 Southbound Between J5 And J4

Cleared 16 hours 56 minutes ago

Started 12 Jun 2026, 21:15 Ended 13 Jun 2026, 05:00

M40 Southbound Jct 5 to Jct 4 lane 3 and 2 closure

Category: Road Maintenance
View update

M40 Southbound Jct 5 to Jct 4 lane 3 and lane 2 closure

Cleared Roadworks National Highways
Wycombe M40 · M40 Southbound Between J5 And J4

Cleared 18 hours 26 minutes ago

Started 12 Jun 2026, 21:15 Ended 13 Jun 2026, 03:30

M40 Southbound Jct 5 to Jct 4 lane 3 and lane 2 closure

Category: Road Maintenance
View update

M40 Southbound, Jct 12 to Jct 11, lane 3 and 2 closure.

Cleared Roadworks National Highways
Bicester M40 · M40 Southbound Between J12 And J11

Cleared 22 hours 11 minutes ago

Started 12 Jun 2026, 21:15 Ended 12 Jun 2026, 23:45

M40 Southbound, Jct 12 to Jct 11, lane 3 and 2 closure.

Category: Road Maintenance
View update