M4 westbound Jct 21 to 22 lane closure 194/2-195/0

Cleared

M4 westbound Jct 21 to 22 lane closure 194/2-195/0

Start time
Thu, Jul 30, 2026 8:00 PM
Expected end
Fri, Jul 31, 2026 5:00 AM
Duration
8 hours 45 minutes 2 seconds
Road
M4 – M4 Westbound Between J21 And J22
Category
Road Maintenance
Direction
Westbound
Carriageway
Dual Carriageway
Lanes affected
Lane 2 closed, 1 of 2 lanes affected
Reason
Maintenance Work
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Jul 24, 2026 10:51 AM
Last updated
Fri, Jul 31, 2026 4:29 AM
Cleared
Fri, Jul 31, 2026 4:45 AM
  • Latest update: M4 westbound Jct 21 to 22 lane closure 194/2-195/0
Coordinates
51.569047, -2.644608
Latitude span
51.569001 – 51.569132
Longitude span
-2.650393 – -2.641280
Bounding box centre
51.569067, -2.645837
Location descriptions
  • M4 westbound between J21 and J22
Feed validity status
Planned
Overall feed start
Thu, Jul 30, 2026 8:00 PM
Overall feed end
Fri, Jul 31, 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

2 coordinate pairs
Description
M4 westbound between J21 and J22
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
2 operational lanes
Direction On Section
West Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{7041383B-D979-4350-B572-8E66314D1183}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
24 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.569124 -2.650043
51.569132 -2.650393

Segment 2

2 coordinate pairs
Description
M4 westbound between J21 and J22
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
2 operational lanes
Direction On Section
West Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{DD34EB94-3EC3-4B7E-ABFE-63609D6DF200}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
11 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.569015 -2.642048
51.569014 -2.642206

Segment 3

6 coordinate pairs
Description
M4 westbound between J21 and J22
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
2 operational lanes
Direction On Section
West Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{965D5EF4-AAF3-4A9F-8641-42EF0FD23B94}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
543 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.569014 -2.642206
51.569001 -2.642913
51.569006 -2.643764
51.569025 -2.645107
51.569055 -2.646276
51.569124 -2.650043

Segment 4

3 coordinate pairs
Description
M4 westbound between J21 and J22
Carriageway
Dual Carriageway
Lane Usage
Cl2
Lane Number
2
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
2 operational lanes
Direction On Section
West Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{1AC52390-58BA-4539-93F8-63A192BD315F}
Linear Element Type
A Carriageway
From Distance
315 m
To Distance
368 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.56905 -2.64128
51.569036 -2.641572
51.569015 -2.642048
Geometry type
MultiLineString
Geometry points
13
First coordinate pair
-2.650043, 51.569124
Road section segments
1
Road section points
13
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.650043,
                51.569124
            ],
            [
                -2.650393,
                51.569132
            ],
            [
                -2.642048,
                51.569015
            ],
            [
                -2.642206,
                51.569014
            ],
            [
                -2.642206,
                51.569014
            ],
            [
                -2.642913,
                51.569001
            ],
            [
                -2.643764,
                51.569006
            ],
            [
                -2.645107,
                51.569025
            ],
            [
                -2.646276,
                51.569055
            ],
            [
                -2.650043,
                51.569124
            ],
            [
                -2.64128,
                51.56905
            ],
            [
                -2.641572,
                51.569036
            ],
            [
                -2.642048,
                51.569015
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -2.650043,
            51.569124
        ],
        [
            -2.650393,
            51.569132
        ],
        [
            -2.642048,
            51.569015
        ],
        [
            -2.642206,
            51.569014
        ],
        [
            -2.642206,
            51.569014
        ],
        [
            -2.642913,
            51.569001
        ],
        [
            -2.643764,
            51.569006
        ],
        [
            -2.645107,
            51.569025
        ],
        [
            -2.646276,
            51.569055
        ],
        [
            -2.650043,
            51.569124
        ],
        [
            -2.64128,
            51.56905
        ],
        [
            -2.641572,
            51.569036
        ],
        [
            -2.642048,
            51.569015
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Fri, Jul 24, 2026 10:51 AM
Record versioned
Fri, Jul 31, 2026 4:29 AM
Coordinate source
Geometry

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