The level of street-network sprawl in new development in Piauí followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Piauí, we can consider three of its most populous cities: Teresina, Parnaíba and Floriano. Out of the three cities, Floriano does not follow the same trend as the region. The level of street-network sprawl in new development in Floriano rose steadily.

As of 2020, the city with the most disconnected street network in Piauí is Floriano with an SNDi of 2.29, which is well-connected. Conversely, the most connected city is Parnaíba with an SNDi of 1.57, which is very well-connected. See trends for these cities: Parnaíba, Floriano

The level of street-network sprawl in the aggregate network in Piauí followed a zig-zag trend with an overall increase. To get a sense of how the aggregate street network has changed in Piauí, we can consider three of its most populous cities: Teresina, Parnaíba and Floriano. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Teresina rose steadily. The level of street-network sprawl in the aggregate network in Parnaíba rose steadily. The level of street-network sprawl in the aggregate network in Floriano rose steadily.