A crash on a busy route into Cardiff is causing significant delays this Monday morning, with emergency crews الأوروبي on the scene. The incident occurred at Coryton, at junction 32, along the A470 southbound from Pontypridd, and it has led to substantial slowdowns in the area.
Traffic monitors, including the AA and Inrix, report delays of up to about 30 minutes as of shortly after 8:00 a.m. on Monday. One lane remains closed on the A470 between Taff’s Well and Coryton while responders work at the site.
Traffic Wales is warning drivers of heavy congestion in the vicinity. Inrix describes the situation as:
- Queueing traffic and one lane closed due to an accident on the A470 Northern Avenue southbound, from the A468 Caerphilly Road (Nantgarw interchange) to the M4 junction 32 (Coryton interchange).
In other news, a broken-down HGV is also contributing to delays on the M4 eastbound near Bridgend, affecting the stretch from junction 53 A473 to junction 34 A4119.
Follow this page for live updates as the incident develops.
Key developments
- No serious injuries reported (10:02)
- South Wales Police confirm that there have been no serious injuries from the crash involving two cars this morning.
A police spokesperson said officers were called to the A470 just before 7:00 a.m. today to reports of a collision; injuries appear to be minor.
M4 incident cleared (09:47)
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Speed restrictions in place (09:45)
A temporary 30 mph limit is enforced on the A470 in the aftermath of the crash.
Traffic remains heavy with long delays.
Ongoing M4 delays (09:16)
Queuing traffic on the M4 persists because of the broken-down HGV in lane one, with roughly 20 minutes of delay between Pencoed and Miskin.
Lanes reopened (08:59)
All lanes on the A470 have reopened following the morning collision, though delays persist, with about 13 minutes of congestion reported by AA traffic services.
Persistent congestion on the A470 (08:42)
Delays remain severe along the A470, with slow-moving traffic visible on traffic maps.
Recovery work ongoing (08:26)
A recovery vehicle is at the scene, removing a vehicle involved in the crash. One lane remains closed while emergency crews continue handling the situation.
M4 eastbound congestion (08:22)
The M4 remains congested due to the broken-down HGV in lane one, affecting traffic from J35 Pencoed to J34 Miskin.
Severe delays approaching 30 minutes (08:18)
Delays on the A470 northbound south of the A4223 Bridge Street interchange toward M4 J32 reach up to about 29 minutes, with speeds averaging around 10 mph in the area.
Crash confirmation (08:14)
Traffic officials report that one lane continues to be blocked on the A470 as emergency services respond to the collision.
Why this matters and what to plan for
- The incident shows how a single collision on a key artery like the A470 can ripple across major routes, turning normal commutes into slow, stop-and-go traffic for hours.
- With one lane closed and heavy congestion, drivers should consider alternate routes if possible, allow extra travel time, and stay tuned to official updates for lane reopenings.
Controversy and questions for readers
- Do you think the response time or lane closure policy could be improved to minimize disruption? What would you prioritize: faster clearance, better traffic diversion, or clearer advance warnings?
- How do you weigh the trade-off between public safety and keeping traffic moving when emergencies require lane closures? Share your thoughts in the comments.