Methods and systems for determining one or more routes in a navigation system. A request comprising a first set of parameters corresponding to a trip is received. The first set of parameters comprise at least one an originating node for the trip, a destination node for the trip, a start time for the trip, or a set of preferences associated with the trip. The one or more routes between the originating node and the destination node are determined based on the first set of parameters. Each of the one or more routes comprises at least one public transportation sub-trip traversed by a public vehicle and a private transportation sub-trip traversed by a private vehicle. The one or more routes are ranked based on a trip score associated with the one or more routes. The trip score is determined based on the set of preferences.