Single lane running

Cleared

single lane running

Start time
Thu, Oct 8, 2026 7:00 PM
Expected end
Fri, Oct 9, 2026 5:00 AM
Duration
10 minutes 2 seconds
Road
M4 – M4 Westbound Between J16 And J17
Category
Road Maintenance
Direction
Westbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected
Reason
Maintenance 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, Sep 21, 2026 10:49 AM
Last updated
Thu, Oct 8, 2026 6:52 PM
Cleared
Thu, Oct 8, 2026 7:10 PM
  • Latest update: single lane running
Coordinates
51.514797, -2.080137
Latitude span
51.514368 – 51.515337
Longitude span
-2.086779 – -2.073932
Bounding box centre
51.514853, -2.080356
Location descriptions
  • M4 westbound between J16 and J17
Feed validity status
Planned
Overall feed start
Thu, Oct 8, 2026 7:00 PM
Overall feed end
Fri, Oct 9, 2026 5:00 AM
Feed window length
10 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
M4 westbound between J16 and J17
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes 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
{9E6131FD-347E-431D-B190-05BAEF230191}
Linear Element Type
A Carriageway
From Distance
2,815 m
To Distance
3,039 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.515337 -2.073932
51.515246 -2.074656
51.515128 -2.075709
51.514995 -2.077114

Segment 2

8 coordinate pairs
Description
M4 westbound between J16 and J17
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes 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
{D3FD34C6-1DE5-4236-8E73-1138026802AF}
Linear Element Type
A Carriageway
From Distance
0 m
To Distance
674 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.514995 -2.077114
51.514884 -2.078486
51.514684 -2.080817
51.514601 -2.082008
51.514527 -2.083235
51.514427 -2.085246
51.514377 -2.086549
51.514368 -2.086779
Geometry type
MultiLineString
Geometry points
12
First coordinate pair
-2.073932, 51.515337
Road section segments
1
Road section points
12
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -2.073932,
                51.515337
            ],
            [
                -2.074656,
                51.515246
            ],
            [
                -2.075709,
                51.515128
            ],
            [
                -2.077114,
                51.514995
            ],
            [
                -2.077114,
                51.514995
            ],
            [
                -2.078486,
                51.514884
            ],
            [
                -2.080817,
                51.514684
            ],
            [
                -2.082008,
                51.514601
            ],
            [
                -2.083235,
                51.514527
            ],
            [
                -2.085246,
                51.514427
            ],
            [
                -2.086549,
                51.514377
            ],
            [
                -2.086779,
                51.514368
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -2.073932,
            51.515337
        ],
        [
            -2.074656,
            51.515246
        ],
        [
            -2.075709,
            51.515128
        ],
        [
            -2.077114,
            51.514995
        ],
        [
            -2.077114,
            51.514995
        ],
        [
            -2.078486,
            51.514884
        ],
        [
            -2.080817,
            51.514684
        ],
        [
            -2.082008,
            51.514601
        ],
        [
            -2.083235,
            51.514527
        ],
        [
            -2.085246,
            51.514427
        ],
        [
            -2.086549,
            51.514377
        ],
        [
            -2.086779,
            51.514368
        ]
    ]
]
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
2
Record created
Mon, Sep 21, 2026 10:49 AM
Record versioned
Thu, Oct 8, 2026 6:52 PM
Coordinate source
Geometry

Driving on the M4? See every live closure, roadwork and planned restriction on this road.

M4 live closures

Related incidents

M4 westbound Jct 11 entry slip road closure

Cleared Roadworks National Highways
Reading M4 · M4 J11 Westbound Access

Cleared 20 hours 23 minutes ago

Started 9 Oct 2026, 20:00 Ended 9 Oct 2026, 20:50

M4 westbound Jct 11 entry slip road closure

Category: Road Maintenance
View update

M4 westbound Jct 11 entry slip road closure

Cleared Roadworks National Highways
Reading M4 · M4 J11 Westbound Access

Cleared 15 hours 3 minutes ago

Started 9 Oct 2026, 19:54 Ended 10 Oct 2026, 02:10

M4 westbound Jct 11 entry slip road closure

Category: Road Maintenance
View update

A36 northbound lane 1 closure

Cleared Roadworks National Highways
Wiltshire A36 · Roundabout At A36/A30 (East)

Cleared 19 hours 53 minutes ago

Started 9 Oct 2026, 19:09 Ended 9 Oct 2026, 21:20

A36 northbound lane 1 closure

Category: Road Maintenance
View update

A303 Eastbound Solstice Services to Parkhouse lane 1 closure 129/6b - 127/9b

Cleared Roadworks National Highways
Wiltshire A303 · A303 Eastbound Between A345 And A3028

Cleared 15 hours 43 minutes ago

Started 9 Oct 2026, 19:01 Ended 10 Oct 2026, 01:30

A303 Eastbound Solstice Services to Parkhouse lane 1 closure 129/6b - 127/9b

Category: Road Maintenance
View update

A36 southbound St. Pauls Roundabout to St. Marks Roundabout carriageway closure

Cleared Roadworks National Highways
Wiltshire A36 · A36 Southbound Between A360 And A345

Cleared 22 hours 13 minutes ago

Started 9 Oct 2026, 19:00 Ended 9 Oct 2026, 19:00

A36 southbound St. Pauls Roundabout to St. Marks Roundabout carriageway closure

Category: Road Maintenance
View update

A303 Eastbound Solstice Services to Parkhouse lane 1 closure 129/6b - 127/9b

Cleared Roadworks National Highways
Wiltshire A303 · A303 Eastbound Between A345 And A3028

Cleared 22 hours 13 minutes ago

Started 9 Oct 2026, 19:00 Ended 9 Oct 2026, 19:00

A303 Eastbound Solstice Services to Parkhouse lane 1 closure 129/6b - 127/9b

Category: Road Maintenance
View update