The first car, an open-topped Ford tourer sporting flags and bunting, traversed it in 1913.

BBC: Journey into the Alaskan wild

In the luxury grand tourer segment, Bentley's redesigned Flying Spur will face competition from Rolls-Royce, which is unveiling its ultra-powerful and rather butch-looking Wraith.

BBC: Geneva motor show: Luxury and recession

Opel has said it will end car production at its Bochum manufacturing plant in Germany in 2016 after production of its Zafira Tourer car ends.

BBC: General Motors to close Opel plant in Bochum