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.

How do development practices in Piauí fare in comparison to others in Brazil? Most recently in 2006-2020, street construction in Piauí was the 5th-most disconnected out of the 27 regions in Brazil. Its position in the ranks since 1975 has not changed. Piauí ranked 5th in 1975, 5th in 1976-1990, 4th in 1991-2005 and 5th in 2006-2020.

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.

To date, Piauí is the 5th-most disconnected out of the 27 regions in Brazil. Its position in the ranks since 1975 has not changed. Piauí ranked 5th in 1975, 6th in 1976-1990, 6th in 1991-2005 and 5th in 2006-2020.