The level of street-network sprawl in new development in Rondônia followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Rondônia, we can consider three of its most populous cities: Porto Velho, Ji-Paraná and Ariquemes. Out of the three cities, Ariquemes does not follow the same trend as the region. The level of street-network sprawl in new development in Ariquemes peaked in 1976-1990.

As of 2020, the city with the most disconnected street network in Rondônia is Porto Velho with an SNDi of 2.47, which is relatively well-connected. Conversely, the most connected city is Vilhena with an SNDi of 1.38, which is very well-connected. See trends for these cities: Vilhena, Porto Velho

The level of street-network sprawl in the aggregate network in Rondônia rose steadily. To get a sense of how the aggregate street network has changed in Rondônia, we can consider three of its most populous cities: Porto Velho, Ji-Paraná and Ariquemes. Disconnectivity in the most populous cities in Rondônia follow the same region trend.