M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 175/4)

Planned

M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 175/4)

Start time
Tue, Jul 7, 2026 7:09 PM
Expected end
Wed, Jul 8, 2026 5:00 AM
Duration
9 hours 51 minutes
Road
M4 – M4 Eastbound Between J19 And J18
Category
Road Maintenance
Direction
Eastbound
Carriageway
Dual Carriageway
Lanes affected
2 of 2 lanes affected
Reason
Roadworks
Live incident
Active roadworks
Planned
Cleared
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First published
Thu, Jul 2, 2026 10:34 AM
Last updated
Tue, Jul 7, 2026 1:47 PM
Cleared
Wed, Jul 8, 2026 5:00 AM
  • Latest update: M4 eastbound Jct 19 to Jct 18 lane 3&2 leading to hardshoulder running (179/7 to 175/4)
Coordinates
51.503332, -2.469746
Latitude span
51.497918 – 51.506542
Longitude span
-2.494489 – -2.435157
Bounding box centre
51.502230, -2.464823
Location descriptions
  • M4 eastbound between J19 and J18
Feed validity status
Planned
Overall feed start
Tue, Jul 7, 2026 7:09 PM
Overall feed end
Wed, Jul 8, 2026 5:00 AM
Feed window length
9 hours 51 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

9 coordinate pairs
Description
M4 eastbound between J19 and J18
Carriageway
Dual Carriageway
Lanes Restricted
2 lanes restricted
Operational Lanes
2 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
{D220B0D0-30D4-43FF-9FDC-24DE0B352023}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
941 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.504586 -2.473052
51.504496 -2.472708
51.504407 -2.472361
51.503708 -2.469502
51.502956 -2.466511
51.502266 -2.463705
51.501947 -2.46241
51.50169 -2.461398
51.501451 -2.46046

Segment 2

23 coordinate pairs
Description
M4 eastbound between J19 and J18
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
{C3679DF2-03F3-4CA4-BB4D-FDC094D96E6A}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
1,215 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.506376 -2.490076
51.506394 -2.489932
51.506452 -2.489111
51.50649 -2.488621
51.506509 -2.487959
51.506521 -2.487527
51.506542 -2.48672
51.506538 -2.485668
51.506523 -2.484861
51.506482 -2.483881
51.50644 -2.483247
51.506363 -2.482237
51.506268 -2.481271
51.506162 -2.480463
51.506155 -2.480405
51.506076 -2.479857
51.505883 -2.478688
51.505727 -2.477865
51.505725 -2.47785
51.505522 -2.476854
51.505336 -2.476088
51.504589 -2.473064
51.504586 -2.473052

Segment 3

20 coordinate pairs
Description
M4 eastbound between J19 and J18
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
{ECE92394-6379-4B07-B9E8-82CA83CEA3C5}
Linear Element Type
B Carriageway
From Distance
0 m
To Distance
1,809 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.501451 -2.46046
51.501115 -2.459102
51.500832 -2.457903
51.500673 -2.457196
51.500416 -2.456055
51.500055 -2.454294
51.499869 -2.453442
51.499675 -2.452446
51.499499 -2.451393
51.499297 -2.450209
51.499139 -2.449185
51.498973 -2.447973
51.498833 -2.447007
51.498511 -2.444238
51.498355 -2.442723
51.498217 -2.441022
51.498012 -2.438067
51.497964 -2.436597
51.49794 -2.435833
51.497918 -2.435157

Segment 4

7 coordinate pairs
Description
M4 eastbound between J19 and J18
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
{4FC55118-21B8-4C2A-8C78-DCFC2676C5E1}
Linear Element Type
B Carriageway
From Distance
236 m
To Distance
549 m
Gml Srs Name
EPSG::4326
Gml Srs Dimension
2
Raw coordinate list
51.505797 -2.494489
51.505947 -2.49363
51.506003 -2.493227
51.506077 -2.492695
51.506188 -2.491889
51.506263 -2.49127
51.506376 -2.490076
Geometry type
MultiLineString
Geometry points
59
First coordinate pair
-2.473052, 51.504586
Road section segments
1
Road section points
59
View geometry JSON
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View road section coordinates
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Cause type
Road Maintenance
Detailed cause
Roadworks
Compliance
Mandatory
Probability
Probable
Validity status
Planned
Road management
Other
Feed provider
National Highways
Data source
Roadworks
Feed version
1
Record created
Thu, Jul 2, 2026 10:34 AM
Record versioned
Tue, Jul 7, 2026 1:47 PM
Coordinate source
Geometry

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