Seven of the world’s riskiest roads

While some readers described routes that traverse one of the world’s coldest regions, or tunnels that only measure 4m wide, other respondents took our question to its limit, recommending roads that were not only interesting, but dangerous as well. In those cases, the roads are less frequented for a reason: read on for terrifying drop-offs, unpredictable mudslides and a complete lack of concrete paving.