Crash View

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

Cleared

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

Start time
To be confirmed
Expected end
Wed, Sep 23, 2026 5:05 AM
Duration
Live incident
Live incident
Active roadworks
Planned
Cleared
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First published
Tue, Sep 22, 2026 9:00 PM
Cleared
Wed, Sep 23, 2026 5:05 AM
Coordinates
51.562199, -3.269999
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

A470 : Northbound : Nantgarw : Roadworks : Entry slip road closed : Diversions in place : 16/10/26-17/10/26 2000-0600 :

Active Roadworks Traffic Wales
Caerphilly
Started Start time TBC

Description: A470 : Northbound : Nantgarw : Roadworks : Entry slip road closed : Diversions in place : 16/10/26-17/10/26 2000-0600 :, Start time: 16/10/2026 20:00 , End Date: 17/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 09/10/2026 12:10

View update

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

Cleared Roadworks Traffic Wales
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Cleared 1 month 2 weeks ago

Started Start time TBC Ended 28 Aug 2026, 03:05

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: 26/08/2026 19:00

View update

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

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 6 months 2 weeks ago

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

View update

A470 : Now clear : Northbound : Nantgarw

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 2 months 3 hours 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

View update

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 6 hours 50 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 : Northbound : Nantgarw : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
Caerphilly

Cleared 11 months 3 weeks 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

View update