A46 northbound and southbound Cold Ashton roundabout to M4 Jct 18 closed for maintenance. Diversion A420, A350 to M4 Jct 17 and vice versa. Light vehicles via Norley Lane, Marshfield Road, Tormarton Road, A420 and vice versa.
ClearedA46 northbound and southbound Cold Ashton roundabout to M4 Jct 18 closed for maintenance. Diversion A420, A350 to M4 Jct 17 and vice versa. Light vehicles via Norley Lane, Marshfield Road, Tormarton Road, A420 and vice versa.
- Start time
- Tue, Nov 18, 2025 10:00 PM
- Expected end
- Wed, Nov 19, 2025 6:00 AM
- Duration
- 8 hours
- Road
- A46 – A46 Northbound Between A420 And M4
- Category
- Road Maintenance
- Direction
- Northbound
- Carriageway
- Singlecarriageway
- Reason
- Maintenance Work
Live incident
Active roadworks
Planned
Cleared
Hover or tap markers for full details
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EPC ratings & more
- First published
- Thu, Mar 27, 2025 3:43 PM
- Last updated
- Mon, Nov 17, 2025 8:57 PM
- Cleared
- Wed, Nov 19, 2025 6:00 AM
- Latest update: A46 northbound and southbound Cold Ashton roundabout to M4 Jct 18 closed for maintenance. Diversion A420, A350 to M4 Jct 17 and vice versa. Light vehicles via Norley Lane, Marshfield Road, Tormarton Road, A420 and vice versa.
- Coordinates
- 51.479251, -2.346852
- Latitude span
- 51.453516 – 51.515774
- Longitude span
- -2.369551 – -2.122610
- Bounding box centre
- 51.484645, -2.246081
- Location descriptions
-
- A46 northbound between A420 and M4
- M4 eastbound between J18 and J17
- M4 J17 eastbound exit
- Feed validity status
- Planned
- Overall feed start
- Tue, Nov 18, 2025 10:00 PM
- Overall feed end
- Wed, Nov 19, 2025 6:00 AM
- Feed window length
- 8 hours
- Probability code (raw)
- probable
- 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
18 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {44CA0432-EEC8-4E35-A74E-E5D5625434DA}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 797 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.457748 -2.369551 51.458051 -2.369545 51.458446 -2.369475 51.458876 -2.369399 51.459324 -2.369301 51.459944 -2.369161 51.460233 -2.369081 51.460501 -2.368991 51.460677 -2.368901 51.461004 -2.368693 51.461134 -2.368583 51.461422 -2.368327 51.462269 -2.367513 51.462926 -2.366896 51.463233 -2.366586 51.463568 -2.366203 51.464075 -2.365573 51.464242 -2.365365
Segment 2
4 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {68F418D1-9884-488E-85FD-2C9D9A3D03E1}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 34 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.480478 -2.361822 51.480568 -2.361837 51.480766 -2.361853 51.480784 -2.361853
Segment 3
8 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {817B8DCA-B533-40F0-B568-71F1FA83CDC7}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 83 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.490249 -2.356934 51.490312 -2.356887 51.490615 -2.356714 51.49068 -2.356678 51.490764 -2.356648 51.490772 -2.356645 51.490926 -2.356583 51.490964 -2.356577
Segment 4
13 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {73E1621D-33FC-478D-815B-59A55B4DE1AD}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 532 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.486154 -2.36084 51.487804 -2.359561 51.487904 -2.359475 51.488048 -2.359347 51.488192 -2.359218 51.488363 -2.359018 51.489149 -2.358032 51.489275 -2.357873 51.489483 -2.35763 51.489618 -2.357487 51.489771 -2.357344 51.49006 -2.357073 51.490249 -2.356934
Segment 5
2 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {09B37543-8804-4501-BF0F-3A1E9798F75F}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 11 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.496817 -2.353698 51.496913 -2.353654
Segment 6
2 coordinate pairs- Description
- M4 eastbound between J18 and J17
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 4 lanes restricted
- Operational Lanes
- 0 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
- {744DCE2C-A1E9-47A3-B07F-536E25300789}
- Linear Element Type
- B Carriageway
- From Distance
- 214 m
- To Distance
- 314 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.514552 -2.13003 51.514695 -2.128606
Segment 7
7 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {904B2DD4-C01E-4DAD-A90D-9A9AD4515A92}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 309 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.469576 -2.365997 51.469999 -2.365943 51.470422 -2.365846 51.470665 -2.365776 51.471583 -2.365452 51.472276 -2.365169 51.472303 -2.365155
Segment 8
3 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {4DF1B226-6C36-4290-9837-89D402BBFC69}
- Linear Element Type
- A Carriageway
- From Distance
- 17 m
- To Distance
- 29 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.453516 -2.369283 51.453535 -2.369283 51.453624 -2.369281
Segment 9
3 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {6199C0BB-76A2-4DBC-8275-1F829DBE2BCB}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 56 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.472303 -2.365155 51.472546 -2.365071 51.472798 -2.364986
Segment 10
20 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {3AFDC16F-61C2-4F62-AC7B-7DF950215BB8}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 613 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.464242 -2.365365 51.464445 -2.36515 51.464752 -2.364922 51.46499 -2.364803 51.465159 -2.364753 51.465411 -2.364743 51.465687 -2.36478 51.465946 -2.36488 51.466442 -2.365103 51.467123 -2.365416 51.467806 -2.36571 51.467896 -2.365739 51.468318 -2.365872 51.468462 -2.365916 51.468623 -2.365946 51.468794 -2.365977 51.468965 -2.365978 51.469333 -2.365995 51.469468 -2.366011 51.469576 -2.365997
Segment 11
6 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {E6E9177C-5764-4AA3-9BA8-D284CDF48477}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 145 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.497097 -2.353469 51.497147 -2.353411 51.497427 -2.353111 51.497599 -2.35291 51.49786 -2.352581 51.498158 -2.352238
Segment 12
17 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {F3635D37-DDD0-48A1-B3FA-6E8B850A2BDC}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 461 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.453624 -2.369281 51.453785 -2.369311 51.454064 -2.369356 51.454244 -2.369372 51.454406 -2.369362 51.454451 -2.369359 51.454945 -2.369306 51.455429 -2.369263 51.455754 -2.36922 51.456025 -2.3692 51.456197 -2.369187 51.4566 -2.36921 51.457094 -2.369354 51.457486 -2.369508 51.457642 -2.36953 51.457655 -2.369531 51.457748 -2.369551
Segment 13
21 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {E5AF4FCD-AB75-4DED-AB14-27938D94A572}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 902 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.472798 -2.364986 51.47296 -2.36493 51.473393 -2.364746 51.473564 -2.36469 51.474068 -2.364449 51.474374 -2.364265 51.47496 -2.363852 51.475681 -2.363267 51.476132 -2.362839 51.476574 -2.362439 51.47697 -2.362154 51.477232 -2.361983 51.477484 -2.361856 51.477601 -2.361814 51.477961 -2.361687 51.478177 -2.361631 51.478465 -2.361619 51.478626 -2.36162 51.479319 -2.361698 51.480244 -2.361791 51.480478 -2.361822
Segment 14
9 coordinate pairs- Description
- M4 J17 eastbound exit
- Lanes Restricted
- 3 lanes restricted
- Operational Lanes
- 0 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
- {B82C55B4-89E6-454D-9289-52D5FCC1017E}
- Linear Element Type
- B Carriageway Exit Slip
- From Distance
- 0 m
- To Distance
- 436 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.514695 -2.128606 51.514945 -2.126892 51.515183 -2.125248 51.515393 -2.123981 51.515506 -2.123251 51.515535 -2.123103 51.515559 -2.123024 51.515594 -2.122941 51.515774 -2.12261
Segment 15
3 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {4EF8CC19-64B8-48EF-B6AA-54055C4044AD}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 24 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.496913 -2.353654 51.497021 -2.353554 51.497097 -2.353469
Segment 16
4 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Dual Carriageway
- Lanes Restricted
- 1 lane restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Aligned
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {BBC77869-242E-4F91-B73D-48027EF4A7E7}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 25 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.498158 -2.352238 51.498196 -2.352199 51.49831 -2.352084 51.498348 -2.352045
Segment 17
16 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {556CE88C-94A4-4EF6-868B-894D30E91B23}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 669 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.490964 -2.356577 51.491023 -2.356561 51.491065 -2.356556 51.491408 -2.356494 51.491769 -2.356411 51.492068 -2.356296 51.492757 -2.355953 51.493238 -2.355686 51.494283 -2.355175 51.495093 -2.354757 51.495354 -2.354622 51.495625 -2.35448 51.496012 -2.354267 51.496525 -2.353954 51.496691 -2.353805 51.49671 -2.353783
Segment 18
13 coordinate pairs- Description
- A46 northbound between A420 and M4
- Carriageway
- Single Carriageway
- Lanes Restricted
- 2 lanes restricted
- Operational Lanes
- 0 operational lanes
- Direction On Section
- North Bound
- Direction Relative
- Both
- Height Grade
- Start1 End1
- Linear Element Road
- A46
- Linear Element Model
- The Network Model
- Linear Element Id
- {E47F9108-F1C4-4389-AA34-360F82611826}
- Linear Element Type
- A Carriageway
- From Distance
- 0 m
- To Distance
- 613 m
- Gml Srs Name
- EPSG::4326
- Gml Srs Dimension
- 2
Raw coordinate list
51.480784 -2.361853 51.481213 -2.361906 51.481463 -2.361937 51.483263 -2.362159 51.483777 -2.362131 51.484106 -2.362043 51.484328 -2.361939 51.484933 -2.361605 51.485093 -2.36151 51.485189 -2.361459 51.485548 -2.361247 51.486082 -2.360889 51.486154 -2.36084
- Geometry type
- MultiLineString
- Geometry points
- 169
- First coordinate pair
- -2.369551, 51.457748
- Road section segments
- 1
- Road section points
- 169
View geometry JSON
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51.472276
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51.472303
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51.453516
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51.453535
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View road section coordinates
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- Cause type
- Road Maintenance
- Detailed cause
- Maintenance Work
- Compliance
- Mandatory
- Probability
- Probable
- Validity status
- Planned
- Road management
- Carriageway Closures
- Feed provider
- National Highways
- Data source
- Roadworks
- Feed version
- 1
- Record created
- Thu, Mar 27, 2025 3:43 PM
- Record versioned
- Mon, Nov 17, 2025 8:57 PM
- Coordinate source
- Geometry
Driving on the A46? See every live closure, roadwork and planned restriction on this road.
A46 live closuresRelated incidents
M48 eastbound Jct 2 to 1 lane 1 closure (199/9B to 194/6B)
Planned Roadworks National Highways
South Gloucestershire
M48 · M48 Eastbound Between J2 And J1
Expected to clear in 8 hours 7 minutes
Started 14 Jun 2026, 19:00
Expected clear 15 Jun 2026, 04:00
M48 eastbound Jct 2 to 1 lane 1 closure (199/9B to 194/6B)
Category: Road Maintenance
View update
M48 eastbound Jct 2 to 1 hard shoulder closure (199/9B to 194/6B)
Active Roadworks National Highways
South Gloucestershire
M48 · M48 Eastbound Between J2 And J1
Expected to clear in 1 week 9 hours
Started 27 May 2026, 02:15
Expected clear 22 Jun 2026, 05:00
M48 eastbound Jct 2 to 1 hard shoulder closure (199/9B to 194/6B)
Category: Road Maintenance
View update
M48 : Westbound : J1 Aust to J2 Newhouse : 15/06/26-17/06/26 2000-0600 : Improvement work : Onslip closed : Offslip closed : Diversions in place :
Active Roadworks Traffic Wales
South Gloucestershire
Started Start time TBC
Description: M48 : Westbound : J1 Aust to J2 Newhouse : 15/06/26-17/06/26 2000-0600 : Improvement work : Onslip closed : Offslip closed : Diversions in place :, Start time: 15/06/2026 20:00 , End Date: 17/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/06/2026 17:56
View update
M48 : Eastbound : J2 Newhouse to J1 Aust : 17/06/26-19/06/26 2000-0600 : Improvement work : Offslip closed : Onslip closed : Diversions in place :
Active Roadworks Traffic Wales
South Gloucestershire
Started Start time TBC
Description: M48 : Eastbound : J2 Newhouse to J1 Aust : 17/06/26-19/06/26 2000-0600 : Improvement work : Offslip closed : Onslip closed : Diversions in place :, Start time: 17/06/2026 20:00 , End Date: 19/06/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/06/2026 17:57
View update
M5 northbound Jct 16 exit slip - lane closure
Cleared Roadworks National Highways
South Gloucestershire
M5 · M5 Northbound Between J17 And J16
Cleared 14 hours 52 minutes ago
Started 13 Jun 2026, 19:00
Ended 14 Jun 2026, 05:00
M5 northbound Jct 16 exit slip - lane closure
Category: Authority Operation
View update
A46 northbound Tollbar End to Binley carriageway closure
Cleared Roadworks National Highways
Coventry
A46 · A46 Northbound Within The A428 Junction
Cleared 1 day 23 hours ago
Started 12 Jun 2026, 20:00
Ended 12 Jun 2026, 20:25
A46 northbound Tollbar End to Binley carriageway closure
Category: Road Maintenance
View update