Traffic chaos in Devon and Cornwall after spate of incidents - updates Traffic on several roads around the two counties is being delayed The video will auto-play soon8Cancel Play now A flurry of incidents across Devon and Cornwall are causing havoc on the roads. They range from multi-vehicle pile-ups to police incidents - and they are causing delays for unlucky motorists who are being caught up int he aftermath. Currently, queues around three miles in length are being reported near Landrake in Cornwall following what has been described as a "serious crash". Devon and Cornwall Police says there are believed to be several casualties from the incident.