M4 both directions Jct 16 to Jct 17 - lane 3 closure

Planned

M4 both directions Jct 16 to Jct 17 - lane 3 closure

Start time
Wed, Oct 21, 2026 8:00 PM
Expected end
Thu, Oct 22, 2026 5:00 AM
Duration
9 hours
Road
M4 – M4 Eastbound Between J17 And J16
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
Lane 3 closed, 1 of 3 lanes affected
Reason
Repair 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
Thu, Oct 15, 2026 3:16 PM
Last updated
Wed, Oct 21, 2026 6:38 AM
Cleared
Thu, Oct 22, 2026 5:00 AM
  • Latest update: M4 both directions Jct 16 to Jct 17 - lane 3 closure
Coordinates
51.544210, -1.974157
Latitude span
51.542450 – 51.545656
Longitude span
-1.978999 – -1.969217
Bounding box centre
51.544053, -1.974108
Location descriptions
  • M4 eastbound between J17 and J16
Feed validity status
Planned
Overall feed start
Wed, Oct 21, 2026 8:00 PM
Overall feed end
Thu, Oct 22, 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

9 coordinate pairs
Description
M4 eastbound between J17 and J16
Carriageway
Dual Carriageway
Lane Usage
Cl3
Lane Number
3
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start1 End2
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{DDBC8956-7B5B-4E2E-B676-464FA35443D8}
Linear Element Type
B Carriageway
From Distance
587 m
To Distance
954 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.54245 -1.978999
51.542593 -1.978675
51.54297 -1.977767
51.543375 -1.976743
51.543598 -1.976151
51.543842 -1.975502
51.544004 -1.975041
51.544181 -1.974498
51.544182 -1.974496

Segment 2

9 coordinate pairs
Description
M4 eastbound between J17 and J16
Carriageway
Dual Carriageway
Lane Usage
Cl3
Lane Number
3
Lane Status
Closed
Lane Direction
Aligned
Lanes Restricted
1 lane restricted
Operational Lanes
3 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
{5CD975B7-7328-47EF-BF84-9C1174C6F5C6}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
401 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.544182 -1.974496
51.544488 -1.973555
51.544624 -1.973137
51.544795 -1.972546
51.544903 -1.972142
51.545046 -1.971651
51.545271 -1.970815
51.545621 -1.969387
51.545656 -1.969217
Geometry type
MultiLineString
Geometry points
18
First coordinate pair
-1.978999, 51.542450
Road section segments
1
Road section points
18
View geometry JSON
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -1.978999,
                51.54245
            ],
            [
                -1.978675,
                51.542593
            ],
            [
                -1.977767,
                51.54297
            ],
            [
                -1.976743,
                51.543375
            ],
            [
                -1.976151,
                51.543598
            ],
            [
                -1.975502,
                51.543842
            ],
            [
                -1.975041,
                51.544004
            ],
            [
                -1.974498,
                51.544181
            ],
            [
                -1.974496,
                51.544182
            ],
            [
                -1.974496,
                51.544182
            ],
            [
                -1.973555,
                51.544488
            ],
            [
                -1.973137,
                51.544624
            ],
            [
                -1.972546,
                51.544795
            ],
            [
                -1.972142,
                51.544903
            ],
            [
                -1.971651,
                51.545046
            ],
            [
                -1.970815,
                51.545271
            ],
            [
                -1.969387,
                51.545621
            ],
            [
                -1.969217,
                51.545656
            ]
        ]
    ]
}
View road section coordinates
[
    [
        [
            -1.978999,
            51.54245
        ],
        [
            -1.978675,
            51.542593
        ],
        [
            -1.977767,
            51.54297
        ],
        [
            -1.976743,
            51.543375
        ],
        [
            -1.976151,
            51.543598
        ],
        [
            -1.975502,
            51.543842
        ],
        [
            -1.975041,
            51.544004
        ],
        [
            -1.974498,
            51.544181
        ],
        [
            -1.974496,
            51.544182
        ],
        [
            -1.974496,
            51.544182
        ],
        [
            -1.973555,
            51.544488
        ],
        [
            -1.973137,
            51.544624
        ],
        [
            -1.972546,
            51.544795
        ],
        [
            -1.972142,
            51.544903
        ],
        [
            -1.971651,
            51.545046
        ],
        [
            -1.970815,
            51.545271
        ],
        [
            -1.969387,
            51.545621
        ],
        [
            -1.969217,
            51.545656
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Repair Work
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Oct 15, 2026 3:16 PM
Record versioned
Wed, Oct 21, 2026 6:38 AM
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 18 to 17 lane closure (166/5 to 162/1)

Planned Roadworks National Highways
South Gloucestershire M4 · M4 Eastbound Between J18 And J17

Expected to clear in 8 hours 33 minutes

Started 21 Oct 2026, 07:00 Expected clear 21 Oct 2026, 18:00

M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)

Category: Road Maintenance
View update

M4 eastbound Jct 10 exit slip road closure

Planned Roadworks National Highways
Wokingham M4 · Link Road From M4 J10 Eastbound To A329(M)

Starts in 11 hours 33 minutes

Starts 21 Oct 2026, 21:00 Expected clear 22 Oct 2026, 06:00

M4 eastbound Jct 10 exit slip road closure

Category: Road Maintenance
View update

M4 eastbound lane 1 and 2 closure (59/3 to 57/3)

Planned Roadworks National Highways
Wokingham M4 · M4 Eastbound Between J11 And J10

Starts in 11 hours 33 minutes

Starts 21 Oct 2026, 21:00 Expected clear 22 Oct 2026, 06:00

M4 eastbound lane 1 and 2 closure (59/3 to 57/3)

Category: Road Maintenance
View update

M4 eastbound Jct 13 between the slips carriageway closure

Planned Roadworks National Highways
West Berkshire M4 · M4 Eastbound Between J14 And J13

Starts in 11 hours 33 minutes

Starts 21 Oct 2026, 21:00 Expected clear 22 Oct 2026, 06:00

M4 eastbound Jct 13 between the slips carriageway closure

Category: Road Maintenance
View update

M4 eastbound lane 3 and lane 2 closure (109/4 to 104/8)

Planned Roadworks National Highways
West Berkshire M4 · M4 Eastbound Between J15 And J14

Starts in 11 hours 3 minutes

Starts 21 Oct 2026, 20:30 Expected clear 22 Oct 2026, 06:00

M4 eastbound lane 3 and lane 2 closure (109/4 to 104/8)

Category: Construction Work
View update

A303 eastbound Bulford to Parkhouse lane 1 closure (127/7 to 123/6)

Planned Roadworks National Highways
Wiltshire A303 · A303 Eastbound Between A3028 And A338

Starts in 10 hours 33 minutes

Starts 21 Oct 2026, 20:00 Expected clear 22 Oct 2026, 06:00

A303 eastbound Bulford to Parkhouse lane 1 closure (127/7 to 123/6)

Category: Construction Work
View update