M40 Southbound Jct 1a to Jct 1, hardshoulder closure

Cleared

Start time: Fri, Oct 2, 2026 8:30 AM
Expected end: Fri, Oct 2, 2026 2:30 PM
Duration: 6 hours
Road: M40 – M40 Southbound Within J1A Before M25 J16 Clockwise Access
Category: Road Maintenance
Direction: Southbound
Carriageway: Dual Carriageway
Reason: Other

Live incident

Active roadworks

Planned

Cleared

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First published: Tue, Sep 29, 2026 11:04 AM
Last updated: Fri, Oct 2, 2026 2:23 PM
Cleared: Fri, Oct 2, 2026 2:30 PM

Latest update: M40 Southbound Jct 1a to Jct 1, hardshoulder closure

Coordinates: 51.562322, -0.543492
Latitude span: 51.561735 – 51.562587
Longitude span: -0.545645 – -0.538806
Bounding box centre: 51.562161, -0.542226
Location descriptions: M40 southbound within J1A before M25 J16 clockwise access

M40 southbound between J2 and J1A

Feed validity status: Planned
Overall feed start: Fri, Oct 2, 2026 8:30 AM
Overall feed end: Fri, Oct 2, 2026 2:30 PM
Feed window length: 6 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

4 coordinate pairs

Description: M40 southbound within J1A before M25 J16 clockwise access
Carriageway: Dual Carriageway
Lane Usage: Lh
Lane Number: 0
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 0 lanes restricted
Operational Lanes: 4 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End2
Linear Element Road: M40
Linear Element Model: The Network Model
Linear Element Id: {9A6E26FB-2BB4-43B7-9B45-16D32218A81A}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 405 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.562454 -0.544542
51.562434 -0.544326
51.562016 -0.541022
51.561735 -0.538806

Segment 2

3 coordinate pairs

Description: M40 southbound between J2 and J1A
Carriageway: Dual Carriageway
Lane Usage: Lh
Lane Number: 0
Lane Status: Closed
Lane Direction: Aligned
Lanes Restricted: 0 lanes restricted
Operational Lanes: 5 operational lanes
Direction On Section: South Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: M40
Linear Element Model: The Network Model
Linear Element Id: {71581B09-0D3E-4126-B363-E8EC58A6D072}
Linear Element Type: B Carriageway
From Distance: 364 m
To Distance: 441 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.562587 -0.545645
51.562577 -0.545563
51.562454 -0.544542

Geometry type: MultiLineString
Geometry points: 7
First coordinate pair: -0.544542, 51.562454
Road section segments: 1
Road section points: 7

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.544542,
                51.562454
            ],
            [
                -0.544326,
                51.562434
            ],
            [
                -0.541022,
                51.562016
            ],
            [
                -0.538806,
                51.561735
            ],
            [
                -0.545645,
                51.562587
            ],
            [
                -0.545563,
                51.562577
            ],
            [
                -0.544542,
                51.562454
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Other
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other