Road closure archive

Search previously cleared incidents, planned works and cancelled closures. Use precise date ranges or focus on a particular corridor to understand how the network has been disrupted recently.

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115 archived incidents found

Filters applied: Region: swansea • Status: Cleared

A48 : Westbound : Briton Ferry to Earlswood Junction: 24/02/26-26/02/26 2000-0600 : Resurfacing work : Closed : Diversions in place :

Cleared Roadworks Traffic Wales
Swansea

Cleared 5 months 1 week ago

Started Start time TBC Ended 26 Feb 2026, 06:05

Description: A48 : Westbound : Briton Ferry to Earlswood Junction: 24/02/26-26/02/26 2000-0600 : Resurfacing work : Closed : Diversions in place :, Start time: 24/02/2026 20:00 , End Date: 26/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/02/2026 20:00

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M4 : Now clear : Eastbound : J46 Llangyfelach to J43 Llandarcy

Cleared Roadworks Traffic Wales
Swansea

Cleared 5 months 2 weeks ago

Started Start time TBC Ended 20 Feb 2026, 16:30

Description: M4 : Now clear : Eastbound : J46 Llangyfelach to J43 Llandarcy, Start time: 20/02/2026 15:23 , Expected end time: 20/02/2026 15:28, Severity: Moderate, Source: Welsh Government, Last updated: 20/02/2026 15:23

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M4 : Now clear : Both directions : J45 Ynysforgan to J49 Pont Abraham

Cleared Roadworks Traffic Wales
Swansea

Cleared 5 months 2 weeks ago

Started Start time TBC Ended 15 Feb 2026, 19:30

Description: M4 : Now clear : Both directions : J45 Ynysforgan to J49 Pont Abraham, Start time: 15/02/2026 18:04 , Expected end time: 15/02/2026 18:09, Severity: Slight, Source: Welsh Government, Last updated: 15/02/2026 18:04

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M4 : Now clear : Westbound : J48 Hendy

Cleared Roadworks Traffic Wales
Swansea

Cleared 5 months 3 weeks ago

Started Start time TBC Ended 6 Feb 2026, 19:45

Description: M4 : Now clear : Westbound : J48 Hendy, Start time: 06/02/2026 18:17 , Expected end time: 06/02/2026 18:22, Severity: Moderate, Source: Welsh Government, Last updated: 06/02/2026 18:17

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M4 : Eastbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 3 days ago

Started Start time TBC Ended 31 Jan 2026, 06:05

Description: M4 : Eastbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :, Start time: 22/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/01/2026 20:00

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M4 : Westbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 3 days ago

Started Start time TBC Ended 31 Jan 2026, 06:05

Description: M4 : Westbound : J44 Lon Las : Roadworks : Exit slip road closed : Diversions in place : 22/01/26-31/01/26 2000-0600 :, Start time: 22/01/2026 20:00 , End Date: 31/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/01/2026 20:00

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M4 : Eastbound : J47 Penllergaer : Roadworks : Entry slip road closed : Diversions in place : 23/01/26-24/01/26 1900-0900 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 1 week ago

Started Start time TBC Ended 24 Jan 2026, 09:05

Description: M4 : Eastbound : J47 Penllergaer : Roadworks : Entry slip road closed : Diversions in place : 23/01/26-24/01/26 1900-0900 :, Start time: 23/01/2026 19:00 , End Date: 24/01/2026 9:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/01/2026 19:00

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M4 : Now clear : Eastbound : J45 Ynysforgan to J44 Lon Las

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 1 week ago

Started Start time TBC Ended 22 Jan 2026, 19:05

Description: M4 : Now clear : Eastbound : J45 Ynysforgan to J44 Lon Las, Start time: 22/01/2026 18:08 , Expected end time: 22/01/2026 18:13, Severity: Moderate, Source: Welsh Government, Last updated: 22/01/2026 18:08

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M4 : Now clear : Westbound : J45 Ynysforgan to J46 Llangyfelach

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 1 week ago

Started Start time TBC Ended 21 Jan 2026, 19:45

Description: M4 : Now clear : Westbound : J45 Ynysforgan to J46 Llangyfelach, Start time: 21/01/2026 18:17 , Expected end time: 21/01/2026 18:22, Severity: Moderate, Source: Welsh Government, Last updated: 21/01/2026 18:17

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M4 : Now clear : Westbound : J46 Llangyfelach to J47 Penllergaer

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 1 week ago

Started Start time TBC Ended 21 Jan 2026, 17:40

Description: M4 : Now clear : Westbound : J46 Llangyfelach to J47 Penllergaer, Start time: 21/01/2026 16:10 , Expected end time: 21/01/2026 16:15, Severity: Moderate, Source: Welsh Government, Last updated: 21/01/2026 16:10

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M4 : Eastbound : J47 Penllergaer to J46 Llangyfelach : Incident : Accident : Delays possible :

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 2 weeks ago

Started Start time TBC Ended 19 Jan 2026, 10:30

Description: M4 : Eastbound : J47 Penllergaer to J46 Llangyfelach : Incident : Accident : Delays possible :, Start time: 19/01/2026 7:51 , Expected end time: 19/01/2026 9:50, Severity: Moderate, Source: Welsh Government, Last updated: 19/01/2026 7:51

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M4 : Now clear : Both directions : J41 Pentyla/Baglan to J49 Pont Abraham

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 3 weeks ago

Started Start time TBC Ended 13 Jan 2026, 14:15

Description: M4 : Now clear : Both directions : J41 Pentyla/Baglan to J49 Pont Abraham, Start time: 13/01/2026 12:46 , Expected end time: 13/01/2026 12:51, Severity: Slight, Source: Welsh Government, Last updated: 13/01/2026 12:46

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M4 : Westbound : J48 Hendy : Carriageway maintenance : Road closed : Diversions in place : 12/01/26 1900-0200 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 3 weeks ago

Started Start time TBC Ended 12 Jan 2026, 02:05

Description: M4 : Westbound : J48 Hendy : Carriageway maintenance : Road closed : Diversions in place : 12/01/26 1900-0200 :, Start time: 12/01/2026 19:00 , End Date: 12/01/2026 2:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/01/2026 16:01

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M4 : Both directions : J41 Pentyla/Baglan to J49 Pont Abraham : Poor driving conditions :

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 3 weeks ago

Started Start time TBC Ended 9 Jan 2026, 13:30

Description: M4 : Both directions : J41 Pentyla/Baglan to J49 Pont Abraham : Poor driving conditions :, Start time: 09/01/2026 8:27 , Expected end time: 09/01/2026 20:27, Severity: Slight, Source: Welsh Government, Last updated: 09/01/2026 8:27

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M4 : Now clear : Both directions : J46 Llangyfelach to J49 Pont Abraham

Cleared Roadworks Traffic Wales
Swansea

Cleared 6 months 4 weeks ago

Started Start time TBC Ended 5 Jan 2026, 13:40

Description: M4 : Now clear : Both directions : J46 Llangyfelach to J49 Pont Abraham, Start time: 05/01/2026 12:13 , Expected end time: 05/01/2026 12:18, Severity: Slight, Source: Welsh Government, Last updated: 05/01/2026 12:13

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M4 : Both directions : J45 Ynysforgan to J47 Penllergaer : Incident : Long delays

Cleared Roadworks Traffic Wales
Swansea

Cleared 7 months 1 week ago

Started Start time TBC Ended 27 Dec 2025, 07:25

Description: M4 : Both directions : J45 Ynysforgan to J47 Penllergaer : Incident : Long delays, Start time: 27/12/2025 6:35 , Expected end time: 27/12/2025 7:35, Severity: Severe, Source: Welsh Government, Last updated: 27/12/2025 6:35

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M4 : Westbound : J48 Hendy : 18/12/25-19/12/25 1900-0200 : Clearance work : Onslip closed : Diversions in place :

Cleared Roadworks Traffic Wales
Swansea

Cleared 7 months 2 weeks ago

Started Start time TBC Ended 19 Dec 2025, 02:05

Description: M4 : Westbound : J48 Hendy : 18/12/25-19/12/25 1900-0200 : Clearance work : Onslip closed : Diversions in place :, Start time: 18/12/2025 19:00 , End Date: 19/12/2025 2:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/12/2025 19:00

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M4 : Both directions : J47 Penllergaer : Services : no fuel :

Cleared Roadworks Traffic Wales
Swansea

Cleared 7 months 2 weeks ago

Started Start time TBC Ended 18 Dec 2025, 19:20

Description: M4 : Both directions : J47 Penllergaer : Services : no fuel :, Start time: 18/12/2025 15:12 , Expected end time: 18/12/2025 19:12, Severity: Slight, Source: Welsh Government, Last updated: 18/12/2025 15:12

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M4 : Westbound : J46 Llangyfelach to J49 Pont Abraham : Poor driving conditions :

Cleared Roadworks Traffic Wales
Swansea

Cleared 7 months 3 weeks ago

Started Start time TBC Ended 12 Dec 2025, 06:20

Description: M4 : Westbound : J46 Llangyfelach to J49 Pont Abraham : Poor driving conditions :, Start time: 12/12/2025 0:12 , Expected end time: 12/12/2025 6:11, Severity: Slight, Source: Welsh Government, Last updated: 12/12/2025 0:12

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M4 : Eastbound : J45 Ynysforgan to J44 Lon Las : Roadworks : Road closed : Diversions in place : 04/12/25-05/12/25 2000-0600 :

Cleared Roadworks Traffic Wales
Swansea

Cleared 7 months 4 weeks ago

Started Start time TBC Ended 5 Dec 2025, 06:05

Description: M4 : Eastbound : J45 Ynysforgan to J44 Lon Las : Roadworks : Road closed : Diversions in place : 04/12/25-05/12/25 2000-0600 :, Start time: 04/12/2025 20:00 , End Date: 05/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 04/12/2025 20:00

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M4 : Westbound : J42 Earlswood to J47 Penllergaer : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Swansea

Cleared 8 months 1 week ago

Started Start time TBC Ended 26 Nov 2025, 18:25

Description: M4 : Westbound : J42 Earlswood to J47 Penllergaer : Congestion : Delays possible :, Start time: 26/11/2025 16:50 , Expected end time: 26/11/2025 19:50, Severity: Moderate, Source: Welsh Government, Last updated: 26/11/2025 16:50

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M4 : Eastbound : J45 Ynysforgan to J43 Llandarcy : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Swansea

Cleared 8 months 1 week ago

Started Start time TBC Ended 26 Nov 2025, 18:25

Description: M4 : Eastbound : J45 Ynysforgan to J43 Llandarcy : Congestion : Delays possible :, Start time: 26/11/2025 16:07 , Expected end time: 26/11/2025 20:07, Severity: Moderate, Source: Welsh Government, Last updated: 26/11/2025 16:07

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M4 : Eastbound : J48 Hendy : Offslip closed : Maintenance work : 16/11/25-21/11/25 2000-0600 : No works 18/11

Cleared Roadworks Traffic Wales
Swansea

Cleared 8 months 1 week ago

Started Start time TBC Ended 21 Nov 2025, 06:05

Description: M4 : Eastbound : J48 Hendy : Offslip closed : Maintenance work : 16/11/25-21/11/25 2000-0600 : No works 18/11, Start time: 16/11/2025 20:00 , End Date: 21/11/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/11/2025 20:00

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M4 : Now clear : Westbound : J43 Llandarcy to J47 Penllergaer

Cleared Roadworks Traffic Wales
Swansea

Cleared 8 months 2 weeks ago

Started Start time TBC Ended 19 Nov 2025, 07:25

Description: M4 : Now clear : Westbound : J43 Llandarcy to J47 Penllergaer, Start time: 19/11/2025 7:05 , Expected end time: 19/11/2025 7:10, Severity: Moderate, Source: Welsh Government, Last updated: 19/11/2025 7:05

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M4 : Westbound : J45 Ynysforgan : Incident : Lane closed : Due to Accident :

Cleared Roadworks Traffic Wales
Swansea

Cleared 8 months 2 weeks ago

Started Start time TBC Ended 17 Nov 2025, 18:20

Description: M4 : Westbound : J45 Ynysforgan : Incident : Lane closed : Due to Accident :, Start time: 17/11/2025 17:17 , Expected end time: 17/11/2025 19:16, Severity: Severe, Source: Welsh Government, Last updated: 17/11/2025 17:17

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