A404M northbound Jct 9b exit slip road closure

Cleared

Start time: Thu, Jul 23, 2026 8:00 PM
Expected end: Fri, Jul 24, 2026 5:00 AM
Duration: 2 seconds
Road: A404(M) – A404(M) Northbound Between J9A And J9B
Category: Road Maintenance
Direction: Northbound
Carriageway: Dual Carriageway
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Mar 18, 2026 2:59 PM
Last updated: Thu, Jul 23, 2026 7:06 PM
Cleared: Thu, Jul 23, 2026 8:00 PM

Latest update: A404M northbound Jct 9b exit slip road closure

Coordinates: 51.516931, -0.763455
Latitude span: 51.515501 – 51.518359
Longitude span: -0.764931 – -0.762062
Bounding box centre: 51.516930, -0.763497
Location descriptions: A404(M) northbound between J9A and J9B

A404(M) J9B northbound exit

Feed validity status: Planned
Overall feed start: Thu, Jul 23, 2026 8:00 PM
Overall feed end: Fri, Jul 24, 2026 5:00 AM
Feed window length: 9 hours
Probability code (raw): probable
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

3 coordinate pairs

Description: A404(M) northbound between J9A and J9B
Carriageway: Dual Carriageway
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: North Bound
Direction Relative: Aligned
Height Grade: Start2 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {872CE35A-EC67-48C1-AF7C-63CB68926F5E}
Linear Element Type: A Carriageway
From Distance: 0 m
To Distance: 98 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.515514 -0.762075
51.515795 -0.76237
51.516271 -0.76282

Segment 2

8 coordinate pairs

Description: A404(M) J9B northbound exit
Lanes Restricted: 2 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: North Bound
Direction Relative: Aligned
Height Grade: Start1 End1
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {5A7D3339-57F5-4B0E-91D1-1385177FFA3A}
Linear Element Type: A Carriageway Exit Slip
From Distance: 0 m
To Distance: 276 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.516271 -0.76282
51.517113 -0.76366
51.517149 -0.763688
51.517947 -0.764358
51.518129 -0.76454
51.51823 -0.764682
51.518312 -0.764838
51.518359 -0.764931

Segment 3

2 coordinate pairs

Description: A404(M) northbound between J9A and J9B
Carriageway: Dual Carriageway
Lanes Restricted: 3 lanes restricted
Operational Lanes: 0 operational lanes
Direction On Section: North Bound
Direction Relative: Aligned
Height Grade: Start1 End2
Linear Element Road: A404(M)
Linear Element Model: The Network Model
Linear Element Id: {82A80482-BB2E-4F6B-9441-2861ECD3A49C}
Linear Element Type: A Carriageway
From Distance: 1,727 m
To Distance: 1,729 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.515501 -0.762062
51.515514 -0.762075

Geometry type: MultiLineString
Geometry points: 13
First coordinate pair: -0.762075, 51.515514
Road section segments: 1
Road section points: 13

View geometry JSON

{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.762075,
                51.515514
            ],
            [
                -0.76237,
                51.515795
            ],
            [
                -0.76282,
                51.516271
            ],
            [
                -0.76282,
                51.516271
            ],
            [
                -0.76366,
                51.517113
            ],
            [
                -0.763688,
                51.517149
            ],
            [
                -0.764358,
                51.517947
            ],
            [
                -0.76454,
                51.518129
            ],
            [
                -0.764682,
                51.51823
            ],
            [
                -0.764838,
                51.518312
            ],
            [
                -0.764931,
                51.518359
            ],
            [
                -0.762062,
                51.515501
            ],
            [
                -0.762075,
                51.515514
            ]
        ]
    ]
}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Maintenance Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Carriageway Closures