M4 westbound Reading Services closure
ClearedM4 westbound Reading Services closure
- Start time
- Thu, Oct 8, 2026 7:56 PM
- Expected end
- Fri, Oct 9, 2026 5:00 AM
- Duration
- 4 hours 29 minutes 2 seconds
- Road
- M4 – M4 Westbound Between J11 And J12
- Category
- Road Maintenance
- Direction
- Westbound
- Carriageway
- Dual Carriageway
- Reason
- Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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- First published
- Thu, Oct 8, 2026 7:56 PM
- Last updated
- Fri, Oct 9, 2026 12:06 AM
- Cleared
- Fri, Oct 9, 2026 12:25 AM
- Latest update: M4 westbound Reading Services closure
- Coordinates
- 51.423350, -1.031387
- Latitude span
- 51.422300 – 51.424816
- Longitude span
- -1.036055 – -1.026305
- Bounding box centre
- 51.423558, -1.031180
- Location descriptions
-
- M4 westbound between J11 and J12
- M4 entry slip at Reading Services
- M4 exit slip at Reading Services
- Feed validity status
- Active
- Overall feed start
- Thu, Oct 8, 2026 7:56 PM
- Overall feed end
- Fri, Oct 9, 2026 5:00 AM
- Feed window length
- 9 hours 4 minutes
- Probability code (raw)
- certain
- Compliance option (raw)
- mandatory
- Source identification (raw)
- roadworks
- Management type value
- carriagewayClosures (Carriageway Closures)
- Contra-flow flag (raw)
- false
- Width restriction flag (raw)
- false
- Height restriction flag (raw)
- false
- Weight restriction flag (raw)
- false
Segment 1
3 coordinate pairs- Description
- M4 westbound between J11 and J12
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- West Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End2
- Linear Element Road
- M4
- Linear Element Model
- The Network Model
- Linear Element Id
- {DD3ED763-6B8B-436F-8F11-0D67F2F7D4E4}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 138 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.424249 -1.034282 51.424765 -1.035906 51.424816 -1.036055
Segment 2
25 coordinate pairs- Description
- M4 entry slip at Reading Services
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- West Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- M4
- Linear Element Model
- The Network Model
- Linear Element Id
- {78F6A432-5A91-464A-26B5-44AE28098215}
- Linear Element Type
- A Carriageway Entry Slip
- From Distance
- 0 m
- To Distance
- 226 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.423167 -1.03157 51.423228 -1.031635 51.423258 -1.031667 51.423302 -1.031718 51.423337 -1.031778 51.42337 -1.031836 51.423406 -1.031934 51.423441 -1.032027 51.423463 -1.032091 51.423501 -1.032202 51.423561 -1.032374 51.423666 -1.03269 51.42371 -1.032821 51.423735 -1.032893 51.423801 -1.03309 51.423805 -1.033099 51.423813 -1.033117 51.423903 -1.033332 51.423964 -1.033502 51.423974 -1.033535 51.424018 -1.033672 51.424164 -1.034135 51.424195 -1.034226 51.424222 -1.034254 51.424249 -1.034282
Segment 3
19 coordinate pairs- Description
- M4 exit slip at Reading Services
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- West Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- M4
- Linear Element Model
- The Network Model
- Linear Element Id
- {049BD5B0-4E5B-B8A0-D9B9-3F9EFDC34E69}
- Linear Element Type
- A Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 208 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.422653 -1.028052 51.422647 -1.028177 51.422669 -1.028399 51.422671 -1.028408 51.422672 -1.028414 51.422711 -1.02861 51.422748 -1.028835 51.422789 -1.029114 51.422816 -1.029296 51.422856 -1.029572 51.422859 -1.029596 51.422956 -1.030196 51.422958 -1.03021 51.423002 -1.030499 51.422999 -1.030695 51.422997 -1.030713 51.422977 -1.030883 51.422963 -1.030938 51.422954 -1.03097
Segment 4
3 coordinate pairs- Description
- M4 westbound between J11 and J12
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- West Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- M4
- Linear Element Model
- The Network Model
- Linear Element Id
- {04195248-78FF-4235-97B9-49703B81A0D5}
- Linear Element Type
- A Carriageway
- From Distance
- 1,905 m
- To Distance
- 2,032 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.4223 -1.026305 51.422584 -1.027713 51.422653 -1.028052
- Geometry type
- MultiLineString
- Geometry points
- 50
- First coordinate pair
- -1.034282, 51.424249
- Road section segments
- 1
- Road section points
- 50
View geometry JSON
{
"type": "MultiLineString",
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}
View road section coordinates
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-1.034282,
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51.424816
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]
- Cause type
- Road Maintenance
- Detailed cause
- Maintenance Work
- Compliance
- Mandatory
- Probability
- Certain
- Validity status
- Active
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Thu, Oct 8, 2026 7:56 PM
- Record versioned
- Fri, Oct 9, 2026 12:06 AM
- Coordinate source
- Geometry
Driving on the M4? See every live closure, roadwork and planned restriction on this road.
M4 live closuresRelated incidents
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
Active Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Between J18 And J17
Expected to clear in 7 hours 30 minutes
Started 12 Oct 2026, 05:58
Expected clear 12 Oct 2026, 17:00
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
Category: Road Maintenance
View update
M4 Eastbound Jct 2 exit slip road closure
Planned Roadworks National Highways
Hounslow
M4 · M4 J2 Eastbound Exit
Starts in 11 hours 30 minutes
Starts 12 Oct 2026, 21:00
Expected clear 13 Oct 2026, 04:30
M4 Eastbound Jct 2 exit slip road closure
Category: Construction Work
View update
M4 Eastbound Jct 3 to Jct 2 lane 1 closure
Planned Roadworks National Highways
Hounslow
M4 · M4 Eastbound Between J3 And J2
Starts in 11 hours 30 minutes
Starts 12 Oct 2026, 21:00
Expected clear 13 Oct 2026, 04:30
M4 Eastbound Jct 3 to Jct 2 lane 1 closure
Category: Construction Work
View update
M4 eastbound lane 3 closure (76/8 to 74/2)
Planned Roadworks National Highways
West Berkshire
M4 · M4 Eastbound Between J13 And J12
Starts in 9 hours 30 minutes
Starts 12 Oct 2026, 19:00
Expected clear 13 Oct 2026, 05:00
M4 eastbound lane 3 closure (76/8 to 74/2)
Category: Road Maintenance
View update
M4 eastbound Jct 18 to Jct 17 hardshoulder closure (166/2 to 161/4)
Cleared Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Between J18 And J17
Cleared 3 hours 29 minutes ago
Started 12 Oct 2026, 06:00
Ended 12 Oct 2026, 06:00
M4 eastbound Jct 18 to Jct 17 hardshoulder closure (166/2 to 161/4)
Category: Road Maintenance
View update
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
Cleared Roadworks National Highways
South Gloucestershire
M4 · M4 Eastbound Between J18 And J17
Cleared 3 hours 9 minutes ago
Started 12 Oct 2026, 06:00
Ended 12 Oct 2026, 06:20
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
Category: Road Maintenance
View update