M4 eastbound lane 1 and lane 2 closure (107/1 to 106/2)

Active

M4 eastbound lane 1 and lane 2 closure (107/1 to 106/2)

Start time
Mon, Aug 10, 2026 6:40 PM
Expected end
Tue, Aug 11, 2026 5:00 AM
Duration
10 hours 20 minutes
Road
M4 – M4 Eastbound Between J15 And J14
Category
Road Maintenance
Direction
Eastbound
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, Aug 10, 2026 6:40 PM
Last updated
Mon, Aug 10, 2026 11:27 PM
Cleared
Tue, Aug 11, 2026 5:00 AM
  • Latest update: M4 eastbound lane 1 and lane 2 closure (107/1 to 106/2)
Coordinates
51.466891, -1.512801
Latitude span
51.464370 – 51.469132
Longitude span
-1.518280 – -1.507786
Bounding box centre
51.466751, -1.513033
Location descriptions
  • M4 eastbound between J15 and J14
Feed validity status
Active
Overall feed start
Mon, Aug 10, 2026 6:40 PM
Overall feed end
Tue, Aug 11, 2026 5:00 AM
Feed window length
10 hours 20 minutes
Probability code (raw)
certain
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

5 coordinate pairs
Description
M4 eastbound between J15 and J14
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End1
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{003A2CF1-A9FA-4FE5-B69F-907EDF1D988D}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
274 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.466028 -1.510705
51.465566 -1.509832
51.465222 -1.509217
51.464388 -1.507815
51.46437 -1.507786

Segment 2

12 coordinate pairs
Description
M4 eastbound between J15 and J14
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start2 End1
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{01DA6655-5322-47D3-8723-F922C922745C}
Linear Element Type
B Carriageway
From Distance
839 m
To Distance
1,470 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.469132 -1.51828
51.468989 -1.517829
51.468516 -1.516466
51.468343 -1.515979
51.46807 -1.515276
51.468047 -1.515219
51.467543 -1.513972
51.46718 -1.513112
51.466899 -1.512496
51.466636 -1.511923
51.466191 -1.511006
51.466028 -1.510705
Geometry type
MultiLineString
Geometry points
17
First coordinate pair
-1.510705, 51.466028
Road section segments
1
Road section points
17
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.510705,
                51.466028
            ],
            [
                -1.509832,
                51.465566
            ],
            [
                -1.509217,
                51.465222
            ],
            [
                -1.507815,
                51.464388
            ],
            [
                -1.507786,
                51.46437
            ],
            [
                -1.51828,
                51.469132
            ],
            [
                -1.517829,
                51.468989
            ],
            [
                -1.516466,
                51.468516
            ],
            [
                -1.515979,
                51.468343
            ],
            [
                -1.515276,
                51.46807
            ],
            [
                -1.515219,
                51.468047
            ],
            [
                -1.513972,
                51.467543
            ],
            [
                -1.513112,
                51.46718
            ],
            [
                -1.512496,
                51.466899
            ],
            [
                -1.511923,
                51.466636
            ],
            [
                -1.511006,
                51.466191
            ],
            [
                -1.510705,
                51.466028
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -1.510705,
            51.466028
        ],
        [
            -1.509832,
            51.465566
        ],
        [
            -1.509217,
            51.465222
        ],
        [
            -1.507815,
            51.464388
        ],
        [
            -1.507786,
            51.46437
        ],
        [
            -1.51828,
            51.469132
        ],
        [
            -1.517829,
            51.468989
        ],
        [
            -1.516466,
            51.468516
        ],
        [
            -1.515979,
            51.468343
        ],
        [
            -1.515276,
            51.46807
        ],
        [
            -1.515219,
            51.468047
        ],
        [
            -1.513972,
            51.467543
        ],
        [
            -1.513112,
            51.46718
        ],
        [
            -1.512496,
            51.466899
        ],
        [
            -1.511923,
            51.466636
        ],
        [
            -1.511006,
            51.466191
        ],
        [
            -1.510705,
            51.466028
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Maintenance Work
Compliance
Mandatory
Probability
Certain
Validity status
Active
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Mon, Aug 10, 2026 6:40 PM
Record versioned
Mon, Aug 10, 2026 11:27 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 eastbound Jct 23 to Jct 22 lane closure 203/2-196/9

Active Roadworks National Highways
Monmouthshire M4 · M4 Eastbound Between J23 And J22

Expected to clear in 5 hours 23 minutes

Started 10 Aug 2026, 19:00 Expected clear 11 Aug 2026, 05:00

M4 eastbound Jct 23 to Jct 22 lane closure 203/2-196/9

Category: Road Maintenance
View update

M4 eastbound Jct 5 entry slip road lane closures

Planned Roadworks National Highways
Slough M4 · M4 J5 Eastbound Access

Expected to clear in 5 hours 23 minutes

Started 10 Aug 2026, 19:00 Expected clear 11 Aug 2026, 05:00

M4 eastbound Jct 5 entry slip road lane closures

Category: Road Maintenance
View update

Lane closure

Planned Roadworks National Highways
Wiltshire M4 · M4 Westbound Between J16 And J17

Expected to clear in 5 hours 23 minutes

Started 10 Aug 2026, 19:00 Expected clear 11 Aug 2026, 05:00

lane closure

Category: Road Maintenance
View update

M4 Eastbound Jct 17 to 16 lane 3 closure 147/5b - 146/7b

Planned Roadworks National Highways
Wiltshire M4 · M4 Eastbound Between J17 And J16

Expected to clear in 5 hours 23 minutes

Started 10 Aug 2026, 19:00 Expected clear 11 Aug 2026, 05:00

M4 Eastbound Jct 17 to 16 lane 3 closure 147/5b - 146/7b

Category: Road Maintenance
View update

A34 northbound lane 2 closure (48/2 to 50/0)

Active Roadworks National Highways
West Berkshire A34 · A34 Northbound Between M4 And A4185

Expected to clear in 5 hours 23 minutes

Started 10 Aug 2026, 18:40 Expected clear 11 Aug 2026, 05:00

A34 northbound lane 2 closure (48/2 to 50/0)

Category: Road Maintenance
View update

M4 Eastbound Jct 5 to Jct 4B Lane 1 closure

Cleared Roadworks National Highways
Slough M4 · M4 Eastbound Between J5 And J4B

Cleared 1 hour 1 minute ago

Started 10 Aug 2026, 21:00 Ended 10 Aug 2026, 22:35

M4 Eastbound Jct 5 to Jct 4B Lane 1 closure

Category: Road Maintenance
View update