The Trans-Siberian Highway can vary from well-surfaced motorway in the west to an unstable and tricky dirt track in the east. ''Conditions often deteriorate when heavy rains make sections of the road impossible to use, and extreme winter conditions almost fully destroy parts of the road each year.''The road is isolated and desolate, so it would be a good idea to carry survival supplies with you. If you get caught out here, it just might be the last mistake you'll ever make.

IN PICTURES: seven of the scariest and most dangerous routes in the world

Holidaymakers planning on getting behind the wheel during their summer travels have been urged to take care when driving on seven of the world’s most dangerous routes.

Motoring specialists from LeaseCar.uk have compiled a list of perilous roads that travellers and nervous drivers should probably steer clear of where possible.

This incredibly dangerous road in Northern Italy is famous for its amazing vistas, but driving it can be challenging  so much so, that parts of it have restricted vehicular access.''A masterpiece of military engineering and boldness, the route was built as a military mule road during World War One  and features 52 tunnels excavated from the rock.

5. 6. Road of 52 Tunnels, Italy

This incredibly dangerous road in Northern Italy is famous for its amazing vistas, but driving it can be challenging so much so, that parts of it have restricted vehicular access.''A masterpiece of military engineering and boldness, the route was built as a military mule road during World War One and features 52 tunnels excavated from the rock.
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Route 431 through Alabama is a stretch of road through the state dotted with roadside crosses and other poignant reminders of just how many people have sadly lost their lives to this road.'' 'The primary hazards on the highway are poor visibility, high speeds, and sudden 2-4 lane changes, all of which contribute to poor decision making and ultimately road fatalities.''As such, the road was voted one of Americas Deadliest Highways by Readers Digest in 2000.

6. 7. Highway to Hell, Alabama, USA

Route 431 through Alabama is a stretch of road through the state dotted with roadside crosses and other poignant reminders of just how many people have sadly lost their lives to this road.'' 'The primary hazards on the highway are poor visibility, high speeds, and sudden 2-4 lane changes, all of which contribute to poor decision making and ultimately road fatalities.''As such, the road was voted one of Americas Deadliest Highways by Readers Digest in 2000.
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