M4 Eastbound Jct 19 to 18 lane 1 closure 178/8b - 176/3b

Planned

Start time: Fri, Aug 21, 2026 8:00 PM
Expected end: Sat, Aug 22, 2026 5:00 AM
Duration: 9 hours
Road: M4 – M4 Eastbound Between J19 And J18
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 1 of 3 lanes affected
Reason: Tree And Vegetation Cutting Work

Live incident

Active roadworks

Planned

Cleared

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First published: Wed, Aug 5, 2026 8:16 AM
Last updated: Fri, Aug 21, 2026 2:38 AM
Cleared: Sat, Aug 22, 2026 5:00 AM

Latest update: M4 Eastbound Jct 19 to 18 lane 1 closure 178/8b - 176/3b

Coordinates: 51.502818, -2.465791
Latitude span: 51.498960 – 51.506320
Longitude span: -2.481793 – -2.447881
Bounding box centre: 51.502640, -2.464837
Location descriptions: M4 eastbound between J19 and J18

Feed validity status: Planned
Overall feed start: Fri, Aug 21, 2026 8:00 PM
Overall feed end: Sat, Aug 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

13 coordinate pairs

Description: M4 eastbound between J19 and J18
Carriageway: Dual Carriageway
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: {ECE92394-6379-4B07-B9E8-82CA83CEA3C5}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 917 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
51.49896 -2.447881

Segment 2

12 coordinate pairs

Description: M4 eastbound between J19 and J18
Carriageway: Dual Carriageway
Lanes Restricted: 1 lane restricted
Operational Lanes: 3 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: 577 m
To Distance: 1,215 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.50632 -2.481793
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

9 coordinate pairs

Description: M4 eastbound between J19 and J18
Carriageway: Dual Carriageway
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: {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

Geometry type: MultiLineString
Geometry points: 34
First coordinate pair: -2.460460, 51.501451
Road section segments: 1
Road section points: 34

View geometry JSON

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}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Tree And Vegetation Cutting Work
Compliance: Mandatory
Probability: Probable
Validity status: Planned
Road management: Other