M4 eastbound lane 1 and 2 closure (71/8 to 69/6)

Cleared

Start time: Mon, Oct 20, 2025 8:00 PM
Expected end: Tue, Oct 21, 2025 5:00 AM
Duration: 9 hours
Road: M4 – M4 Eastbound Between J12 And J11
Category: Road Maintenance
Direction: Eastbound
Carriageway: Dual Carriageway
Lanes affected: 2 of 2 lanes affected
Reason: Maintenance Work

Live incident

Active roadworks

Planned

Cleared

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First published: Thu, Sep 18, 2025 2:39 PM
Last updated: Mon, Oct 20, 2025 12:32 AM
Cleared: Tue, Oct 21, 2025 5:00 AM

Latest update: M4 eastbound lane 1 and 2 closure (71/8 to 69/6)

Coordinates: 51.425722, -1.036549
Latitude span: 51.422001 – 51.431904
Longitude span: -1.049969 – -1.023788
Bounding box centre: 51.426953, -1.036879
Location descriptions: M4 eastbound between J12 and J11

M4 eastbound at the Reading services between J12 and J11

Feed validity status: Planned
Overall feed start: Mon, Oct 20, 2025 8:00 PM
Overall feed end: Tue, Oct 21, 2025 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

6 coordinate pairs

Description: M4 eastbound between J12 and J11
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: {14B0352D-F889-48D8-9C8F-DADDD9A46BE3}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 306 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.422783 -1.028009
51.422713 -1.027667
51.422435 -1.026299
51.422386 -1.026021
51.422146 -1.024668
51.422001 -1.023788

Segment 2

6 coordinate pairs

Description: M4 eastbound at the Reading services between J12 and J11
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: {2E1D4CA3-A2F3-4B27-B35C-B07CE796AED7}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 323 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.424572 -1.034771
51.424041 -1.03306
51.423815 -1.032284
51.423375 -1.030555
51.423373 -1.030549
51.423372 -1.030543

Segment 3

4 coordinate pairs

Description: M4 eastbound between J12 and J11
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: {3A8E025A-8D19-4F25-9A1D-2444574CDDD0}
Linear Element Type: B Carriageway
From Distance: 0 m
To Distance: 188 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.423372 -1.030543
51.42333 -1.03038
51.423306 -1.030295
51.422783 -1.028009

Segment 4

22 coordinate pairs

Description: M4 eastbound between J12 and J11
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: {D2FD8BCC-65D0-40B9-A11F-6FFDC46BEB94}
Linear Element Type: B Carriageway
From Distance: 228 m
To Distance: 1,570 m
Gml Srs Name: EPSG::4326
Gml Srs Dimension: 2

Raw coordinate list

51.431904 -1.049969
51.431638 -1.049528
51.431097 -1.048676
51.430591 -1.047881
51.429999 -1.046929
51.429707 -1.046461
51.429424 -1.045978
51.428813 -1.044854
51.4281 -1.043502
51.427753 -1.04279
51.42735 -1.04195
51.427047 -1.04128
51.426783 -1.040696
51.426223 -1.039356
51.425969 -1.038714
51.425755 -1.038172
51.425589 -1.037715
51.425046 -1.036173
51.424926 -1.03583
51.424678 -1.035088
51.424678 -1.035088
51.424572 -1.034771

Geometry type: MultiLineString
Geometry points: 38
First coordinate pair: -1.028009, 51.422783
Road section segments: 1
Road section points: 38

View geometry JSON

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}

View road section coordinates

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