General Brazilian
rua com trânsito congestionado / rua congestionada
Standard usage across Brazil
Rio de Janeiro
rua com engarrafamento / rua engarrafada
Common colloquial usage
São Paulo
rua com trânsito congestionado / rua travada
'Travada' is frequently used in São Paulo slang
Portugal
rua com trânsito intenso / rua congestionada
Portuguese preference for 'intenso' over 'congestionado' in some contexts