a website for anyone interested in traveling by bus in rio de janeiro is vá de onibus (go by bus), as it  has a two fields where to enter address of origin, and destination address on this page.

several results may be displayed, and clicking on the individual options traces the itinerary of the selected bus line on a map - the website also traces out the rout for any given bus line, and lists the addresses of each stop.

while these services are not available to short term tourists or visitors, anyone planning to stay in rio de janeiro for an extended period of time could qualify for the bilhete unico - a system to save money when using multiple bus lines within a few hours.