When tyres and wheels fail - from a car catapulted spectacularly high into the air to a truck's catastrophic tyre explosion. Experts assess a new set of dramatic traffic incidents.
Cameras reveal what can happen when people drive too fast, from a game of cat and mouse between a motorbike and a car that goes horribly wrong in Florida, to the Arizona driver whose race through the mountains ends in catastrophe down a cliff.
Cameras focus on disasters caused by driving rain, from a motorcyclist in Thailand sliding uncontrollably down a flooded freeway, to a driver in Eastern Europe whose car slides out of control and somersaults towards a forest.
Cameras reveal disasters caused by drivers drifting across the carriageway, from the worker who crashed a tanker full of fuel into a group of parked cars in Thailand, to the driver in Norway who veered directly into the path of an oncoming HGV.
How junctions can cause driving disasters, the dangers of joining a motorway, and a multi-car crash caused by a group of cars racing on a highway in New York at night time.
Disasters caused by drivers making high-risk manoeuvres, including a man attempting to pass a truck via a grass verge. Plus, dangers when driving in the snow and when towing trailers.
How misjudgements at junctions can lead to horrifying smashes, bad driving in luxury cars, and a massive combination of collisions in Bulgaria on an icy road at night.
We reveal disasters caused by road rage - from the driver who used his pick-up to ram another vehicle off the road to the van and car veering wildly across a busy carriageway.
We see crashes caused by losing control, from the driver in Thailand who veered across three lanes, to a car in the UK that spun directly into the path of oncoming traffic.
No details
Exploring the dangers of driving oversized loads, such as the truck that tipped over on a New York bridge, and the disasters caused by slow drivers, including the car that got rear ended.
Exploring what happens when emergency service vehicles get into their own emergencies, disasters involving articulated trucks jacknifing, and disasters involving vehicles heading the wrong way down motorways.