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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120 archived incidents found
Filters applied: Region: isle-of-anglesey • Status: Cleared
A55 : Westbound : J9 Treborth : 16/02/26-28/02/26 2000-0500 : Resurfacing work : Entry slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 7 months 2 weeks ago
Description: A55 : Westbound : J9 Treborth : 16/02/26-28/02/26 2000-0500 : Resurfacing work : Entry slip road closed : Diversions in place :, Start time: 16/02/2026 20:00 , End Date: 28/02/2026 5:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/02/2026 20:00
A55 : Now open : Both directions : Britannia Bridge : Speed limit 30 mph : Due to high winds : Until further notice
Cleared Roadworks Traffic WalesCleared 7 months 2 weeks ago
Description: A55 : Now open : Both directions : Britannia Bridge : Speed limit 30 mph : Due to high winds : Until further notice, Start time: 22/02/2026 5:47 , Expected end time: 22/02/2026 5:52, Severity: Slight, Source: Welsh Government, Last updated: 22/02/2026 5:47
A55 : Now clear : Eastbound : J10 Caernarfon Road to J11 Llandygai : Incident : Vehicle fire : Lane closed : Long delays
Cleared Roadworks Traffic WalesCleared 8 months 5 days ago
Description: A55 : Now clear : Eastbound : J10 Caernarfon Road to J11 Llandygai : Incident : Vehicle fire : Lane closed : Long delays, Start time: 07/02/2026 16:17 , Expected end time: 07/02/2026 16:22, Severity: Road closure, Source: Welsh Government, Last updated: 07/02/2026 16:17
A55 : Both directions : J6 Nant Turnpike (Llangefni) to J11 Llandygai : Adverse weather conditions : Snow : Poor driving conditions :
Cleared Roadworks Traffic WalesCleared 9 months 1 week ago
Description: A55 : Both directions : J6 Nant Turnpike (Llangefni) to J11 Llandygai : Adverse weather conditions : Snow : Poor driving conditions :, Start time: 03/01/2026 23:52 , Expected end time: 04/01/2026 8:00, Severity: Moderate, Source: Welsh Government, Last updated: 03/01/2026 23:52
A55 : Both directions : J11 Llandygai to J9 Treborth : Adverse weather conditions : Snow : Poor driving conditions : Until further notice
Cleared Roadworks Traffic WalesCleared 9 months 1 week ago
Description: A55 : Both directions : J11 Llandygai to J9 Treborth : Adverse weather conditions : Snow : Poor driving conditions : Until further notice, Start time: 02/01/2026 12:51 , Expected end time: 02/01/2026 15:00, Severity: Severe, Source: Welsh Government, Last updated: 02/01/2026 12:51
A55 : Now open : Eastbound : J10 Caernarfon Road to J11 Llandygai
Cleared Roadworks Traffic WalesCleared 9 months 1 week ago
Description: A55 : Now open : Eastbound : J10 Caernarfon Road to J11 Llandygai, Start time: 02/01/2026 12:50 , Expected end time: 02/01/2026 12:55, Severity: Road closure, Source: Welsh Government, Last updated: 02/01/2026 12:50
A55 : Westbound : J3 Pen Caledog (Valley) to J2 Ty Mawr : 23/12/25 0630-1630 : Maintenance work : 1 lane closed :
Cleared Roadworks Traffic WalesCleared 9 months 2 weeks ago
Description: A55 : Westbound : J3 Pen Caledog (Valley) to J2 Ty Mawr : 23/12/25 0630-1630 : Maintenance work : 1 lane closed :, Start time: 23/12/2025 6:30 , End Date: 23/12/2025 16:30, Severity: Moderate, Source: Welsh Government, Last updated: 23/12/2025 6:30
A55 : Now open : Britannia Bridge : High winds
Cleared Roadworks Traffic WalesCleared 9 months 3 weeks ago
Description: A55 : Now open : Britannia Bridge : High winds, Start time: 15/12/2025 4:09 , Expected end time: 15/12/2025 4:14, Severity: Slight, Source: Welsh Government, Last updated: 15/12/2025 4:09
A55 : Now open : Westbound : J9 Treborth
Cleared Roadworks Traffic WalesCleared 10 months 1 day ago
Description: A55 : Now open : Westbound : J9 Treborth, Start time: 10/12/2025 22:30 , Expected end time: 10/12/2025 22:35, Severity: Road closure, Source: Welsh Government, Last updated: 10/12/2025 22:30
A55 : Both directions : J9 Treborth to J1 Kingsland (Holyhead) : Adverse weather conditions : Flooding : Poor driving conditions :
Cleared Roadworks Traffic WalesCleared 10 months 6 days ago
Description: A55 : Both directions : J9 Treborth to J1 Kingsland (Holyhead) : Adverse weather conditions : Flooding : Poor driving conditions :, Start time: 05/12/2025 18:52 , Expected end time: 05/12/2025 23:00, Severity: Moderate, Source: Welsh Government, Last updated: 05/12/2025 18:52
A55 : Now open : Westbound : J7A Llanfair PG to J7 Cefn Du
Cleared Roadworks Traffic WalesCleared 10 months 3 weeks ago
Description: A55 : Now open : Westbound : J7A Llanfair PG to J7 Cefn Du, Start time: 19/11/2025 20:42 , Expected end time: 19/11/2025 20:47, Severity: Road closure, Source: Welsh Government, Last updated: 19/11/2025 20:42
A55 : Westbound : J10 Caernarfon Road to J9 Treborth : Resurfacing work : 1 lane closed : 17/11/25-19/11/25 1800-0530 :
Cleared Roadworks Traffic WalesCleared 10 months 3 weeks ago
Description: A55 : Westbound : J10 Caernarfon Road to J9 Treborth : Resurfacing work : 1 lane closed : 17/11/25-19/11/25 1800-0530 :, Start time: 17/11/2025 18:00 , End Date: 19/11/2025 5:30, Severity: Moderate, Source: Welsh Government, Last updated: 17/11/2025 18:00
A487 : Northbound : Felinheli Bypass : Maintenance work : Road closed : Diversions in place : 12/11/25-13/11/25 2000-0200 :
Cleared Roadworks Traffic WalesCleared 10 months 4 weeks ago
Description: A487 : Northbound : Felinheli Bypass : Maintenance work : Road closed : Diversions in place : 12/11/25-13/11/25 2000-0200 :, Start time: 12/11/2025 20:00 , End Date: 13/11/2025 2:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/11/2025 20:00
A487 : Southbound : Felinheli Bypass : Maintenance work : Road closed : Diversions in place : 11/11/25-12/11/25 2000-0200 :
Cleared Roadworks Traffic WalesCleared 11 months 15 hours ago
Description: A487 : Southbound : Felinheli Bypass : Maintenance work : Road closed : Diversions in place : 11/11/25-12/11/25 2000-0200 :, Start time: 11/11/2025 20:00 , End Date: 12/11/2025 2:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/11/2025 20:00
A55 : Eastbound : J10 Caernarfon Road : onslip : Cyclic maintenance : Closed : Diversions in place : 07/11/25-08/11/25 1900-0600 :
Cleared Roadworks Traffic WalesCleared 11 months 4 days ago
Description: A55 : Eastbound : J10 Caernarfon Road : onslip : Cyclic maintenance : Closed : Diversions in place : 07/11/25-08/11/25 1900-0600 :, Start time: 07/11/2025 19:00 , End Date: 08/11/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/11/2025 19:00
A55 : Westbound : J9 Treborth : Offslip closed : Roadworks : Diversions in place : 04/11/25-05/11/25 1830-0630 :
Cleared Roadworks Traffic WalesCleared 11 months 1 week ago
Description: A55 : Westbound : J9 Treborth : Offslip closed : Roadworks : Diversions in place : 04/11/25-05/11/25 1830-0630 :, Start time: 04/11/2025 18:30 , End Date: 05/11/2025 6:30, Severity: Road closure, Source: Welsh Government, Last updated: 01/11/2025 11:28
A55 : Westbound : J10 Caernarfon Road to J9 Treborth : 03/11/25-04/11/25 1900-0600 : Resurfacing work : 1 lane closed : Exit slip road closed : Diversions in place :
Cleared Roadworks Traffic WalesCleared 11 months 1 week ago
Description: A55 : Westbound : J10 Caernarfon Road to J9 Treborth : 03/11/25-04/11/25 1900-0600 : Resurfacing work : 1 lane closed : Exit slip road closed : Diversions in place :, Start time: 03/11/2025 19:00 , End Date: 04/11/2025 6:00, Severity: Severe, Source: Welsh Government, Last updated: 03/11/2025 19:00
A55 : Now open : Westbound : J10 Caernarfon Road
Cleared Roadworks Traffic WalesCleared 11 months 4 weeks ago
Description: A55 : Now open : Westbound : J10 Caernarfon Road, Start time: 13/10/2025 18:17 , Expected end time: 13/10/2025 18:22, Severity: Severe, Source: Welsh Government, Last updated: 13/10/2025 18:17
A55 : Westbound : J9 Treborth : Resurfacing work : Offslip closed and Onslip closed : Diversions in place : 29/09/25-04/10/25 1900-0600 :
Cleared Roadworks Traffic WalesCleared 1 year 1 week ago
Description: A55 : Westbound : J9 Treborth : Resurfacing work : Offslip closed and Onslip closed : Diversions in place : 29/09/25-04/10/25 1900-0600 :, Start time: 29/09/2025 19:00 , End Date: 04/10/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 29/09/2025 19:00
A55 : Eastbound : J9 Treborth : Resurfacing work : Offslip closed and Onslip closed : Diversions in place : 22/09/25-27/09/25 1900-0600 :
Cleared Roadworks Traffic WalesCleared 1 year 2 weeks ago
Description: A55 : Eastbound : J9 Treborth : Resurfacing work : Offslip closed and Onslip closed : Diversions in place : 22/09/25-27/09/25 1900-0600 :, Start time: 22/09/2025 19:00 , End Date: 27/09/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/09/2025 19:00
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