Northern route means less solar radiation but flatter terrain. Southern route means more help from Sun to tackle hilly roads. The leaders of the North route are now in
Here is another competitor, in trike - Jorge Moita who is also doing very well.
While searching suitable trike for me three years back, I had short listed AZUB trike from
They are all traveling without support teams. I had felt the need for the support team while traveling across India and yes, part of the reason is that I am handicapped. They have suffered all sort of hurdles including dog bites.