Crash View

A470 : Northbound : Upper Boat : Cyclic maintenance : Entry slip road closed : Diversions in place : 26/08/26-28/08/26 1900-0400 :

Active

Description: A470 : Northbound : Upper Boat : Cyclic maintenance : Entry slip road closed : Diversions in place : 26/08/26-28/08/26 1900-0400 :, Start time: 26/08/2026 19:00 , End Date: 28/08/2026 4:00, Severity: Road closure, Source: Welsh Government, Last updated: 21/08/2026 13:37

Start time
To be confirmed
Expected end
Awaiting update
Duration
Live incident
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Aug 21, 2026 1:37 PM
Coordinates
51.575249, -3.287920
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

A470 : Both directions : Pontypridd Albion Footbridge : Resurfacing work : Road closed : Diversions in place : 02/08/26-30/08/26 0600-2355 :

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Description: A470 : Both directions : Pontypridd Albion Footbridge : Resurfacing work : Road closed : Diversions in place : 02/08/26-30/08/26 0600-2355 :, Start time: 02/08/2026 6:00 , End Date: 30/08/2026 23:55, Severity: Road closure, Source: Welsh Government, Last updated: 02/08/2026 6:00

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A470 : Both directions : Upper Boat : Congestion : Delays possible :

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Started Start time TBC Ended 25 Mar 2026, 10:55

Description: A470 : Both directions : Upper Boat : Congestion : Delays possible :, Start time: 25/03/2026 8:50 , Expected end time: 25/03/2026 10:50, Severity: Moderate, Source: Welsh Government, Last updated: 25/03/2026 8:50

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A470 : Now clear : Northbound : Nantgarw

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Cleared 1 week 1 day ago

Started Start time TBC Ended 12 Aug 2026, 18:10

Description: A470 : Now clear : Northbound : Nantgarw, Start time: 12/08/2026 18:53 , Expected end time: 12/08/2026 18:14, Severity: Moderate, Source: Welsh Government, Last updated: 12/08/2026 18:53

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A470 : Northbound : Nantgarw : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
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Cleared 10 months 5 days ago

Started Start time TBC Ended 16 Oct 2025, 07:55

Description: A470 : Northbound : Nantgarw : Congestion : Delays possible :, Start time: 16/10/2025 7:46 , Expected end time: 16/10/2025 8:46, Severity: Moderate, Source: Welsh Government, Last updated: 16/10/2025 7:46

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A470 : Southbound : Upper Boat : Exit slip road closed : Diversions in place : 11/01/26-13/01/26 2000-0600 : Carriageway maintenance :

Cleared Roadworks Traffic Wales
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Cleared 7 months 1 week ago

Started Start time TBC Ended 13 Jan 2026, 06:05

Description: A470 : Southbound : Upper Boat : Exit slip road closed : Diversions in place : 11/01/26-13/01/26 2000-0600 : Carriageway maintenance :, Start time: 11/01/2026 20:00 , End Date: 13/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/01/2026 20:00

View update

A470 : Southbound : Upper Boat : Entry slip road closed : Diversions in place : 11/01/26-13/01/26 2000-0600 : Carriageway maintenance :

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Cleared 7 months 1 week ago

Started Start time TBC Ended 13 Jan 2026, 06:05

Description: A470 : Southbound : Upper Boat : Entry slip road closed : Diversions in place : 11/01/26-13/01/26 2000-0600 : Carriageway maintenance :, Start time: 11/01/2026 20:00 , End Date: 13/01/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/01/2026 20:00

View update