M4 eastbound Jct 13 exit slip lane closure and on roundabout

Cleared

Start time: Fri, Oct 16, 2026 9:16 PM
Expected end: Sat, Oct 17, 2026 5:00 AM
Duration: 2 hours 19 minutes 1 second
Road: M4 – M4 Eastbound Between J14 And J13
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 2 lanes affected, 1 of 2 lanes affected
Reason: Repair Work

Live incident

Active roadworks

Planned

Cleared

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First published: Fri, Oct 16, 2026 9:16 PM
Last updated: Fri, Oct 16, 2026 11:03 PM
Cleared: Fri, Oct 16, 2026 11:35 PM

Latest update: M4 eastbound Jct 13 exit slip lane closure and on roundabout

Coordinates: 51.452992, -1.314634
Latitude span: 51.452922 – 51.453159
Longitude span: -1.321840 – -1.311258
Bounding box centre: 51.453041, -1.316549
Location descriptions: M4 eastbound between J14 and J13

M4 J13 eastbound exit

Feed validity status: Active
Overall feed start: Fri, Oct 16, 2026 9:16 PM
Overall feed end: Sat, Oct 17, 2026 5:00 AM
Feed window length: 7 hours 44 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

4 coordinate pairs

Description: M4 eastbound between J14 and J13
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: {22C6BD85-1BBE-42AE-82E8-D856C9970343}
Linear Element Type: B Carriageway
From Distance: 1,177 m
To Distance: 1,342 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.453036 -1.32184
51.452971 -1.320862
51.452957 -1.320468
51.452922 -1.319471

Segment 2

8 coordinate pairs

Description: M4 J13 eastbound exit
Lanes Restricted: 1 lane 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: {F5EAC760-73E7-4A60-8C2E-BD99B789A8A5}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 64 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.452961 -1.312091
51.452964 -1.311922
51.452981 -1.31172
51.452989 -1.311663
51.453016 -1.311562
51.45306 -1.311446
51.45314 -1.311301
51.453159 -1.311258

Segment 3

2 coordinate pairs

Description: M4 J13 eastbound exit
Lanes Restricted: 1 lane restricted
Operational Lanes: 2 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: {4072445E-7A79-4835-AC9E-FE2CB3D23AAD}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 12 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.452959 -1.312267
51.452961 -1.312091

Segment 4

5 coordinate pairs

Description: M4 J13 eastbound exit
Lanes Restricted: 1 lane 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: {03D8ECCA-7FFC-46EC-B43C-D625042D7A14}
Linear Element Type: B Carriageway Exit Slip
From Distance: 0 m
To Distance: 500 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.452922 -1.319471
51.452957 -1.317096
51.452967 -1.315723
51.452973 -1.313518
51.452959 -1.312267

Geometry type: MultiLineString
Geometry points: 19
First coordinate pair: -1.321840, 51.453036
Road section segments: 1
Road section points: 19

View geometry JSON

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    "type": "MultiLineString",
    "coordinates": [
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            [
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            [
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            ],
            [
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}

View road section coordinates

Cause type: Road Maintenance
Detailed cause: Repair Work
Compliance: Mandatory
Probability: Certain
Validity status: Active
Road management: Other