A30 closure: Major road closed in both directions after serious collision causes huge diversion
According to National Highways, it remains closed in both directions between the A3074 (Lelant) and the B3301 (Hayle) following a serious collision reported to them at 8.11pm on Sunday
06:31, 08 Dec 2025
Normally busy, the road is closed in both directions
A major road has been closed in both directions – causing chaos on the morning commute. The A30 in Cornwall is usually a busy road, but today it stands silent after it was closed late last night due to a serious collision.
According to National Highways, it remains closed in both directions between the A3074 (Lelant) and the B3301 (Hayle) following a serious collision reported to them at 8.11pm on Sunday.
A spokesman said: “Devon and Cornwall Police are leading the response, and due to the seriousness of the incident, collision investigations have continued throughout the night. National Highways teams are on scene to assist with traffic management.
“It is expected that the road will remain closed into the morning to allow police investigations and recovery to be completed safely.”
A major diversion both ways is now place, which is:
Eastbound traffic is advised to follow the solid diamond diversion route symbol:
- At the St Erth roundabout, take the 2nd exit to join the B3301.
- Follow the B3301 through Hayle for approx. 3 miles until the B3301/A30 roundabout.
- At the Loggans Moor roundabout take the 1st exit to rejoin the A30 eastbound.
Westbound traffic is advised to follow the solid diamond diversion route symbol:
- At the A30/B3301 Loggans Moor roundabout, take the 4th exit to join the B3301.
- Follow the B3301 through Hayle for approx. 3 miles until the B3301/A30 St Erth roundabout.
- At the St Erth roundabout, take the 2nd exit to rejoin the A30 westbound.
The spokesman went on: “If this closure impacts on your planned route, please allow extra journey time. Plan ahead, you may wish to re-route or even delay your journey.
“Further information is available from National Highways by visiting our www.trafficengland.com website and travel apps, or via our regional X feed.
Our 24/7 contact centre team is also available to provide up to the minute information on 0300 123 5000.”
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