A section of the A30 has been blocked in both directions following a crash between a car and a motorhome. 

The collision took place at Crowlas, leaving the road partially blocked. 

This has resulted in congestion from the A30 to A3074 Nut Lane / B3301 Griggs Hill (St Erth Roundabout) and on the A30 to A394 (Newtown Roundabout).