With their hazardous corners and sharp drops, these twisty routes could incite fear into even the most experienced of drivers. Some routes are isolated and desolate, others are simply busy and chaotic, but if you do find yourself on them, this is what to expect.
Can vary from well-surfaced motorway in the west to an unstable dirt track in the east. Conditions often deteriorate when heavy rains make sections impossible to use, and extreme winters almost fully destroy parts of the road.
Located in Tianmen Mountain National Park in central China, it features 99 death-defying hairpin turns constructed hundreds of feet in the air. Its around 6.8 miles long and in bad weather is incredibly treacherous.
Essentially a dirt road with no guardrails or traffic signs, snaking through the highest mountain range in the world. Plus, the road zigzags among craggy peaks at over 11,000 feet. In winter 50-foot snowdrifts make it impassable.
Also known as the 'Road of Death', said to be the most dangerous road in the world, with its narrow, uneven tracks, super steep mountains and sheer drops. Until 1994, nearly 300 travellers died on the road every year.
Commonwealth Avenue in Quezon City has seen many collisions and deaths over the years. The road has no signs to guide traffic and no designated lanes for motorcycles or bicycles. Almost 7,000 people die on the road annually.
This incredibly dangerous road in Northern Italy is famous for its amazing vistas, but parts have restricted vehicular access. The route was built as a military mule road during WWI and features 52 tunnels excavated from the rock.
Route 431 is dotted with roadside crosses and other poignant reminders of how many people have died on it. Primary hazards are poor visibility, high speeds, and sudden 2-4 lane changes which all contribute to poor decision making.