A404 Handy Cross and M40 Jct 4 Roundabout partial closure (between links to Marlow Hill) including link road closure

Cleared

Start time: Fri, Mar 27, 2026 7:53 PM
Expected end: Sat, Mar 28, 2026 6:00 AM
Duration: 10 hours 7 minutes
Road: A404 – Roundabout At M40 J4/A404
Category: Road Maintenance
Direction: Clockwise
Reason: Roadworks

Live incident

Active roadworks

Planned

Cleared

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First published: Fri, Mar 27, 2026 9:01 PM
Last updated: Sat, Mar 28, 2026 5:48 AM
Cleared: Sat, Mar 28, 2026 6:00 AM

Latest update: A404 Handy Cross and M40 Jct 4 Roundabout partial closure (between links to Marlow Hill) including link road closure

Coordinates: 51.613261, -0.768597
Latitude span: 51.612913 – 51.613680
Longitude span: -0.769473 – -0.767990
Bounding box centre: 51.613297, -0.768732
Location descriptions: roundabout at M40 J4/A404

Feed validity status: Active
Overall feed start: Fri, Mar 27, 2026 7:53 PM
Overall feed end: Sat, Mar 28, 2026 6:00 AM
Feed window length: 10 hours 7 minutes
Probability code (raw): certain
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

5 coordinate pairs

Description: roundabout at M40 J4/A404
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: Clockwise
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404
Linear Element Model: The Network Model
Linear Element Id: {B826732A-D491-419D-837E-FA942F321679}
Linear Element Type: Other
From Distance: 0 m
To Distance: 41 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.613203 -0.768707
51.613204 -0.76846
51.613195 -0.768263
51.61318 -0.768172
51.613166 -0.768114

Segment 2

6 coordinate pairs

Description: roundabout at M40 J4/A404
Lanes Restricted: 4 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: Clockwise
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404
Linear Element Model: The Network Model
Linear Element Id: {348F19A0-399D-47C3-AEE3-14207C88C3D4}
Linear Element Type: Other
From Distance: 11 m
To Distance: 62 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.61368 -0.768343
51.613645 -0.768289
51.613581 -0.768204
51.613526 -0.768133
51.613436 -0.768058
51.613295 -0.76799

Segment 3

7 coordinate pairs

Description: roundabout at M40 J4/A404
Lanes Restricted: 5 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: Clockwise
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404
Linear Element Model: The Network Model
Linear Element Id: {E5C781DB-A007-46A6-9A41-BC09F7F2D531}
Linear Element Type: Other
From Distance: 15 m
To Distance: 81 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.612913 -0.769473
51.612927 -0.769464
51.613055 -0.769322
51.613123 -0.7692
51.613171 -0.769027
51.613201 -0.768811
51.613203 -0.768707

Geometry type: MultiLineString
Geometry points: 18
First coordinate pair: -0.768707, 51.613203
Road section segments: 1
Road section points: 18

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.768707,
                51.613203
            ],
            [
                -0.76846,
                51.613204
            ],
            [
                -0.768263,
                51.613195
            ],
            [
                -0.768172,
                51.61318
            ],
            [
                -0.768114,
                51.613166
            ],
            [
                -0.768343,
                51.61368
            ],
            [
                -0.768289,
                51.613645
            ],
            [
                -0.768204,
                51.613581
            ],
            [
                -0.768133,
                51.613526
            ],
            [
                -0.768058,
                51.613436
            ],
            [
                -0.76799,
                51.613295
            ],
            [
                -0.769473,
                51.612913
            ],
            [
                -0.769464,
                51.612927
            ],
            [
                -0.769322,
                51.613055
            ],
            [
                -0.7692,
                51.613123
            ],
            [
                -0.769027,
                51.613171
            ],
            [
                -0.768811,
                51.613201
            ],
            [
                -0.768707,
                51.613203
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Roadworks
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Carriageway Closures