bus line 155 (ipanema x central, via tunel santa barbara) goes along the entire ipanema, copacabana, and glória, before getting to centro - where the sambódromo is located.

bus line 443 - (mare x leblon, via central, circular) goes along the entire ipanema and copacabana, glória, flamengo, before getting to centro - where the sambódromo is located.

bus line 314 - (recreio dos bandeirantes x central, via copacabana / avenida das américas) goes along the entire ipanema and copacabana neighborhoods, glória, flamengo, before getting to centro - where the sambódromo is located.