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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137 archived incidents found

Filters applied: Region: caerphilly • Status: Cleared

A470 : Southbound : Upper Boat to Nantgarw : Gas main work : 1 lane closed : Delays possible : 10/10/26-12/10/26 0930-1530 :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 hours 18 minutes ago

Started Start time TBC Ended 12 Oct 2026, 14:35

Description: A470 : Southbound : Upper Boat to Nantgarw : Gas main work : 1 lane closed : Delays possible : 10/10/26-12/10/26 0930-1530 :, Start time: 10/10/2026 9:30 , End Date: 12/10/2026 15:30, Severity: Moderate, Source: Welsh Government, Last updated: 10/10/2026 9:30

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A470 : Now clear : Northbound : Nantgarw to Upper Boat

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 days 23 hours ago

Started Start time TBC Ended 9 Oct 2026, 17:25

Description: A470 : Now clear : Northbound : Nantgarw to Upper Boat, Start time: 09/10/2026 18:05 , Expected end time: 09/10/2026 18:08, Severity: Moderate, Source: Welsh Government, Last updated: 09/10/2026 18:05

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 3 days 8 hours ago

Started Start time TBC Ended 9 Oct 2026, 08:20

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 09/10/2026 9:01 , Expected end time: 09/10/2026 8:40, Severity: Moderate, Source: Welsh Government, Last updated: 09/10/2026 9:01

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 3 days 23 hours ago

Started Start time TBC Ended 8 Oct 2026, 17:30

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 08/10/2026 18:14 , Expected end time: 08/10/2026 18:03, Severity: Moderate, Source: Welsh Government, Last updated: 08/10/2026 18:14

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 4 days 8 hours ago

Started Start time TBC Ended 8 Oct 2026, 08:30

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 08/10/2026 9:13 , Expected end time: 08/10/2026 9:17, Severity: Moderate, Source: Welsh Government, Last updated: 08/10/2026 9:13

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 4 days 23 hours ago

Started Start time TBC Ended 7 Oct 2026, 17:50

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 07/10/2026 18:32 , Expected end time: 07/10/2026 18:30, Severity: Moderate, Source: Welsh Government, Last updated: 07/10/2026 18:32

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 5 days 22 hours ago

Started Start time TBC Ended 6 Oct 2026, 18:20

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 06/10/2026 19:00 , Expected end time: 06/10/2026 17:56, Severity: Moderate, Source: Welsh Government, Last updated: 06/10/2026 19:00

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 6 days 8 hours ago

Started Start time TBC Ended 6 Oct 2026, 08:45

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 06/10/2026 9:26 , Expected end time: 06/10/2026 9:31, Severity: Moderate, Source: Welsh Government, Last updated: 06/10/2026 9:26

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A470 : Southbound : Upper Boat to Nantgarw : 05/10/26-06/10/26 1900-0300 : Cyclic maintenance : Offslip closed : 1 lane closed : Diversions in place :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 6 days 14 hours ago

Started Start time TBC Ended 6 Oct 2026, 02:05

Description: A470 : Southbound : Upper Boat to Nantgarw : 05/10/26-06/10/26 1900-0300 : Cyclic maintenance : Offslip closed : 1 lane closed : Diversions in place :, Start time: 05/10/2026 19:00 , End Date: 06/10/2026 3:00, Severity: Road closure, Source: Welsh Government, Last updated: 05/10/2026 19:00

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A470 : Now clear : Southbound : Cilfynydd to Pontypridd

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 1 hour ago

Started Start time TBC Ended 5 Oct 2026, 15:50

Description: A470 : Now clear : Southbound : Cilfynydd to Pontypridd, Start time: 05/10/2026 16:30 , Expected end time: 05/10/2026 15:29, Severity: Slight, Source: Welsh Government, Last updated: 05/10/2026 16:30

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 6 hours ago

Started Start time TBC Ended 5 Oct 2026, 10:15

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 05/10/2026 10:55 , Expected end time: 05/10/2026 9:53, Severity: Moderate, Source: Welsh Government, Last updated: 05/10/2026 10:55

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A470 : Northbound : Nantgarw : 21/09/26-04/10/26 2000-0600 : Carriageway maintenance : Exit slip road closed : Diversions in place :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 1 day ago

Started Start time TBC Ended 4 Oct 2026, 05:05

Description: A470 : Northbound : Nantgarw : 21/09/26-04/10/26 2000-0600 : Carriageway maintenance : Exit slip road closed : Diversions in place :, Start time: 21/09/2026 20:00 , End Date: 04/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/10/2026 13:05

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A470 : Northbound : Nantgarw : 21/09/26-03/10/26 2000-0600 : offslip : Closed : Diversions in place :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 2 days ago

Started Start time TBC Ended 3 Oct 2026, 05:05

Description: A470 : Northbound : Nantgarw : 21/09/26-03/10/26 2000-0600 : offslip : Closed : Diversions in place :, Start time: 21/09/2026 20:00 , End Date: 03/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 21/09/2026 20:00

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 3 days ago

Started Start time TBC Ended 1 Oct 2026, 17:45

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 01/10/2026 18:29 , Expected end time: 01/10/2026 17:53, Severity: Moderate, Source: Welsh Government, Last updated: 01/10/2026 18:29

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 4 days ago

Started Start time TBC Ended 1 Oct 2026, 08:50

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 01/10/2026 9:21 , Expected end time: 01/10/2026 9:17, Severity: Moderate, Source: Welsh Government, Last updated: 01/10/2026 9:21

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 4 days ago

Started Start time TBC Ended 30 Sep 2026, 17:45

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 30/09/2026 18:25 , Expected end time: 30/09/2026 18:15, Severity: Moderate, Source: Welsh Government, Last updated: 30/09/2026 18:25

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 5 days ago

Started Start time TBC Ended 30 Sep 2026, 10:00

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 30/09/2026 10:40 , Expected end time: 30/09/2026 9:38, Severity: Moderate, Source: Welsh Government, Last updated: 30/09/2026 10:40

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 5 days ago

Started Start time TBC Ended 29 Sep 2026, 18:45

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 29/09/2026 19:25 , Expected end time: 29/09/2026 18:20, Severity: Moderate, Source: Welsh Government, Last updated: 29/09/2026 19:25

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 1 week 6 days ago

Started Start time TBC Ended 29 Sep 2026, 08:35

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 29/09/2026 9:22 , Expected end time: 29/09/2026 9:27, Severity: Moderate, Source: Welsh Government, Last updated: 29/09/2026 9:22

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A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 weeks 3 days ago

Started Start time TBC Ended 25 Sep 2026, 08:20

Description: A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :, Start time: 25/09/2026 7:40 , Expected end time: 25/09/2026 9:50, Severity: Moderate, Source: Welsh Government, Last updated: 25/09/2026 7:40

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A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 weeks 4 days ago

Started Start time TBC Ended 24 Sep 2026, 08:30

Description: A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :, Start time: 24/09/2026 7:52 , Expected end time: 24/09/2026 9:50, Severity: Moderate, Source: Welsh Government, Last updated: 24/09/2026 7:52

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A470 : Southbound : Nantgarw : 23/09/26-24/09/26 2000-0600 : Closed : between offslip : onslip :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 weeks 4 days ago

Started Start time TBC Ended 24 Sep 2026, 05:05

Description: A470 : Southbound : Nantgarw : 23/09/26-24/09/26 2000-0600 : Closed : between offslip : onslip :, Start time: 23/09/2026 20:00 , End Date: 24/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/09/2026 20:00

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 weeks 4 days ago

Started Start time TBC Ended 23 Sep 2026, 17:25

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 23/09/2026 18:14 , Expected end time: 23/09/2026 18:19, Severity: Moderate, Source: Welsh Government, Last updated: 23/09/2026 18:14

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A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 weeks 5 days ago

Started Start time TBC Ended 23 Sep 2026, 08:50

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 23/09/2026 9:31 , Expected end time: 23/09/2026 9:22, Severity: Moderate, Source: Welsh Government, Last updated: 23/09/2026 9:31

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A470 : Northbound : Nantgarw : 22/09/26-23/09/26 2100-0600 : Closed : between offslip : onslip :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 weeks 5 days ago

Started Start time TBC Ended 23 Sep 2026, 05:05

Description: A470 : Northbound : Nantgarw : 22/09/26-23/09/26 2100-0600 : Closed : between offslip : onslip :, Start time: 22/09/2026 21:00 , End Date: 23/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 22/09/2026 21:00

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