Personally I\'m thinking that there should be at least three ways between major cities, towns and trade locations.
Players should have the option of :
a) Take the main road. Long, but you can travel fast (it\'s a good road) and safe from hijackers.
b) take the secondary road. Shorter, you can travel quite fast, but no guaranteed safety from pkers.
c) Go off-road. Short, but a caravan can\'t travel very fast here. Player killers abundant here.
This gives people the option of opting for faster travel, leading to higher profits, or slower travel in safety.