Crash View

M4 Eastbound Jct 5 to Jct 4b Lane closure

Planned

M4 Eastbound Jct 5 to Jct 4b Lane closure

Start time
Tue, Oct 27, 2026 10:00 PM
Expected end
Wed, Oct 28, 2026 5:30 AM
Duration
7 hours 30 minutes
Road
M4 – M4 Eastbound Within J5
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
3 of 1 lanes affected, 3 of 2 lanes affected
Reason
Other
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
Get a property report
First published
Mon, Oct 26, 2026 10:09 PM
Last updated
Tue, Oct 27, 2026 1:31 AM
Cleared
Wed, Oct 28, 2026 5:30 AM
  • Latest update: M4 Eastbound Jct 5 to Jct 4b Lane closure
Coordinates
51.492461, -0.537479
Latitude span
51.490754 – 51.493336
Longitude span
-0.547022 – -0.526805
Bounding box centre
51.492045, -0.536914
Location descriptions
  • M4 eastbound within J5
  • M4 eastbound between J5 and J4B
Feed validity status
Planned
Overall feed start
Tue, Oct 27, 2026 10:00 PM
Overall feed end
Wed, Oct 28, 2026 5:30 AM
Feed window length
7 hours 30 minutes
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 eastbound within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
1 operational lane
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
{4AE6FFC3-8638-D5A0-2A8D-DD39D45FECFC}
Linear Element Type
B Carriageway
From Distance
243 m
To Distance
295 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.490754 -0.547022
51.490851 -0.546659
51.490851 -0.546659
51.490939 -0.546328

Segment 2

13 coordinate pairs
Description
M4 eastbound within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 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
{1224C050-767F-4687-9DFC-90D6D4B6BEB3}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
588 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.49209 -0.541556
51.492149 -0.541237
51.492233 -0.540803
51.492325 -0.540252
51.492477 -0.539401
51.492485 -0.539354
51.492659 -0.538153
51.492799 -0.537111
51.492897 -0.536301
51.492962 -0.535809
51.49297 -0.535737
51.493051 -0.534985
51.493176 -0.533279

Segment 3

6 coordinate pairs
Description
M4 eastbound between J5 and J4B
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 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
{2D7FBEAA-7E69-47DC-8335-F678E9006D5D}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
37 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.493176 -0.533279
51.493179 -0.53324
51.493182 -0.53319
51.493186 -0.533137
51.493198 -0.532962
51.493212 -0.532747

Segment 4

4 coordinate pairs
Description
M4 eastbound within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 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
{F1D213A3-EF90-165A-A2EC-687CB848055B}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
152 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.490939 -0.546328
51.491027 -0.545997
51.491476 -0.544315
51.491477 -0.544313

Segment 5

6 coordinate pairs
Description
M4 eastbound within J5
Carriageway
Dual Carriageway
Lanes Restricted
3 lanes restricted
Operational Lanes
0 operational lanes
Direction On Section
East Bound
Direction Relative
Aligned
Height Grade
Start2 End2
Linear Element Road
M4
Linear Element Model
The Network Model
Linear Element Id
{BAE7D305-A98C-4A12-822A-23D825025F6A}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
203 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.491477 -0.544313
51.491506 -0.544194
51.491656 -0.543587
51.491727 -0.543268
51.491886 -0.542542
51.49209 -0.541556

Segment 6

11 coordinate pairs
Description
M4 eastbound between J5 and J4B
Carriageway
Dual Carriageway
Lanes Restricted
3 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
{E240EF51-44E3-47A6-AAA7-217FB89D1F13}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
413 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list 
51.493212 -0.532747
51.493249 -0.532127
51.493264 -0.531853
51.493277 -0.531492
51.493297 -0.530915
51.493315 -0.530194
51.493328 -0.529476
51.493336 -0.529027
51.493332 -0.527947
51.493309 -0.526881
51.493307 -0.526805
Geometry type
MultiLineString
Geometry points
44
First coordinate pair
-0.547022, 51.490754
Road section segments
1
Road section points
44
View geometry JSON 
{
    "type": "MultiLineString",
    "coordinates": [
        [
            [
                -0.547022,
                51.490754
            ],
            [
                -0.546659,
                51.490851
            ],
            [
                -0.546659,
                51.490851
            ],
            [
                -0.546328,
                51.490939
            ],
            [
                -0.541556,
                51.49209
            ],
            [
                -0.541237,
                51.492149
            ],
            [
                -0.540803,
                51.492233
            ],
            [
                -0.540252,
                51.492325
            ],
            [
                -0.539401,
                51.492477
            ],
            [
                -0.539354,
                51.492485
            ],
            [
                -0.538153,
                51.492659
            ],
            [
                -0.537111,
                51.492799
            ],
            [
                -0.536301,
                51.492897
            ],
            [
                -0.535809,
                51.492962
            ],
            [
                -0.535737,
                51.49297
            ],
            [
                -0.534985,
                51.493051
            ],
            [
                -0.533279,
                51.493176
            ],
            [
                -0.533279,
                51.493176
            ],
            [
                -0.53324,
                51.493179
            ],
            [
                -0.53319,
                51.493182
            ],
            [
                -0.533137,
                51.493186
            ],
            [
                -0.532962,
                51.493198
            ],
            [
                -0.532747,
                51.493212
            ],
            [
                -0.546328,
                51.490939
            ],
            [
                -0.545997,
                51.491027
            ],
            [
                -0.544315,
                51.491476
            ],
            [
                -0.544313,
                51.491477
            ],
            [
                -0.544313,
                51.491477
            ],
            [
                -0.544194,
                51.491506
            ],
            [
                -0.543587,
                51.491656
            ],
            [
                -0.543268,
                51.491727
            ],
            [
                -0.542542,
                51.491886
            ],
            [
                -0.541556,
                51.49209
            ],
            [
                -0.532747,
                51.493212
            ],
            [
                -0.532127,
                51.493249
            ],
            [
                -0.531853,
                51.493264
            ],
            [
                -0.531492,
                51.493277
            ],
            [
                -0.530915,
                51.493297
            ],
            [
                -0.530194,
                51.493315
            ],
            [
                -0.529476,
                51.493328
            ],
            [
                -0.529027,
                51.493336
            ],
            [
                -0.527947,
                51.493332
            ],
            [
                -0.526881,
                51.493309
            ],
            [
                -0.526805,
                51.493307
            ]
        ]
    ]
}
View road section coordinates 
[
    [
        [
            -0.547022,
            51.490754
        ],
        [
            -0.546659,
            51.490851
        ],
        [
            -0.546659,
            51.490851
        ],
        [
            -0.546328,
            51.490939
        ],
        [
            -0.541556,
            51.49209
        ],
        [
            -0.541237,
            51.492149
        ],
        [
            -0.540803,
            51.492233
        ],
        [
            -0.540252,
            51.492325
        ],
        [
            -0.539401,
            51.492477
        ],
        [
            -0.539354,
            51.492485
        ],
        [
            -0.538153,
            51.492659
        ],
        [
            -0.537111,
            51.492799
        ],
        [
            -0.536301,
            51.492897
        ],
        [
            -0.535809,
            51.492962
        ],
        [
            -0.535737,
            51.49297
        ],
        [
            -0.534985,
            51.493051
        ],
        [
            -0.533279,
            51.493176
        ],
        [
            -0.533279,
            51.493176
        ],
        [
            -0.53324,
            51.493179
        ],
        [
            -0.53319,
            51.493182
        ],
        [
            -0.533137,
            51.493186
        ],
        [
            -0.532962,
            51.493198
        ],
        [
            -0.532747,
            51.493212
        ],
        [
            -0.546328,
            51.490939
        ],
        [
            -0.545997,
            51.491027
        ],
        [
            -0.544315,
            51.491476
        ],
        [
            -0.544313,
            51.491477
        ],
        [
            -0.544313,
            51.491477
        ],
        [
            -0.544194,
            51.491506
        ],
        [
            -0.543587,
            51.491656
        ],
        [
            -0.543268,
            51.491727
        ],
        [
            -0.542542,
            51.491886
        ],
        [
            -0.541556,
            51.49209
        ],
        [
            -0.532747,
            51.493212
        ],
        [
            -0.532127,
            51.493249
        ],
        [
            -0.531853,
            51.493264
        ],
        [
            -0.531492,
            51.493277
        ],
        [
            -0.530915,
            51.493297
        ],
        [
            -0.530194,
            51.493315
        ],
        [
            -0.529476,
            51.493328
        ],
        [
            -0.529027,
            51.493336
        ],
        [
            -0.527947,
            51.493332
        ],
        [
            -0.526881,
            51.493309
        ],
        [
            -0.526805,
            51.493307
        ]
    ]
]
Cause type
Road Maintenance
Detailed cause
Other
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Mon, Oct 26, 2026 10:09 PM
Record versioned
Tue, Oct 27, 2026 1:31 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 lane 1 closure (93/0 to 89/3)

Active Roadworks National Highways
West Berkshire M4 · M4 Eastbound Within J13

Expected to clear in 3 hours 49 minutes

Started 26 Oct 2026, 21:10 Expected clear 27 Oct 2026, 06:00

M4 eastbound lane 1 closure (93/0 to 89/3)

Category: Road Maintenance
View update

M4 eastbound Jct 23 to 22 Prince of Wales Bridge carriageway closure

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

Starts in 19 hours 49 minutes

Starts 27 Oct 2026, 22:00 Expected clear 28 Oct 2026, 06:00

M4 eastbound Jct 23 to 22 Prince of Wales Bridge carriageway closure

Category: Road Maintenance
View update

M4 Jct 7 southbound Huntercoombe Spur lane 1 closure

Planned Roadworks National Highways
Slough M4 · Link Road From A4 To M4 J7

Starts in 18 hours 49 minutes

Starts 27 Oct 2026, 21:00 Expected clear 28 Oct 2026, 06:00

M4 Jct 7 southbound Huntercoombe Spur lane 1 closure

Category: Road Maintenance
View update

M4 eastbound lane 4 and 3 closure (47/0 to 40/7)

Planned Roadworks National Highways
Windsor And Maidenhead M4 · M4 Eastbound Between J8 And J7

Starts in 18 hours 49 minutes

Starts 27 Oct 2026, 21:00 Expected clear 28 Oct 2026, 06:00

M4 eastbound lane 4 and 3 closure (47/0 to 40/7)

Category: Road Maintenance
View update

M4 eastbound Jct 18 to Jct 17 single lane running (166/8 to 161/0)

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

Starts in 17 hours 49 minutes

Starts 27 Oct 2026, 20:00 Expected clear 28 Oct 2026, 06:00

M4 eastbound Jct 18 to Jct 17 single lane running (166/8 to 161/0)

Category: Road Maintenance
View update

M4 both directions Jct 16 to Jct 17 hard shoulder closure

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

Starts in 4 hours 49 minutes

Starts 27 Oct 2026, 07:00 Expected clear 27 Oct 2026, 17:00

M4 both directions Jct 16 to Jct 17 hard shoulder closure

Category: Road Maintenance
View update