One embodiment provides a method including: utilizing at least one processor to execute computer code that performs the steps of: receiving at least one location map comprising a plurality of possible routes; identifying at least one location area configuration, wherein the location area configuration identifies a location, relative to the at least one location map, of at least one location area boundary segment; computing a utility of the at least one location area configuration, wherein the utility comprises an identification of any usefulness of identifying a route comprising at least one identified sub-route and wherein the at least one sub-route is identified using the at least one location area boundary segment; identifying at least one prominent location area boundary segment, wherein a prominent location area boundary segment comprises a location area boundary segment having a computed utility exceeding a predetermined threshold; and generating a location area map comprising a plurality of identified prominent location area boundary segments, wherein the location area map defines boundaries of a location area. Other variants and embodiments are broadly contemplated herein.