I never thought this was an original idea. I thought they only mixed "The Amazing Race" and "Fear Factor" and only added vote outs to it. Of course now I see a third angle to it "MTV Road Rules". So it was never an original Idea anyway.

I know of another game show I think was started in Argentina. It is more interesting than the Roadies, where the members are given a bike and they have travel to a destination and only has cams with them where they have to record their journey. So they have to mend their bike if it breaks down, have to do petty jobs to earn to refill their bikes and have food and also complete some tasks given to them and the one who goes first wins.