As the huge tree of replies implies, the mistake here is asking for "the" answer. There is no one answer, but wow does everyone think their opinion is the answe

As the huge tree of replies implies, the mistake here is asking for "the" answer. There is no one answer, but wow does everyone think their opinion is the answer :) You can't boil all possible use cases of "transport" down to a single implementation. You can't boil all possible traveller budgets down to a single pricing model. etc. etc. There are many axes for determining the appropriateness of a given mode of transport, for a given person.