Hitchhikers' Needs is a term used to describe the items that a person who is hitchhiking needs in order to make their journey successful. The most important of these needs is a ride, which can be obtained by asking for one from passing drivers. This is why the crossword solution for Hitchhikers' Needs is RIDES, as it is the most essential item for a hitchhiker. Other items that are necessary for a hitchhiker include food, water, and a map, but the most important need is a ride.