The level of street-network sprawl in new development in Piemonte peaked in 1976-1990. To get a sense of how street development has changed in Piemonte, we can consider three of its most populous cities: Turin, Novara and Alessandria. Out of the three cities, Novara and Alessandria do not follow the same trend as the region. The level of street-network sprawl in new development in Novara peaked in 1991-2005. The level of street-network sprawl in new development in Alessandria peaked in 1991-2005.

How do development practices in Piemonte fare in comparison to others in Italy? Most recently in 2006-2020, street construction in Piemonte was the 5th-most disconnected out of the 17 regions in Italy. Its position in the ranks since 1975 has risen; relative to other regions in Italy, street construction in Piemonte has become more disconnected. Piemonte ranked 8th in 1975, 14th in 1976-1990, 11th in 1991-2005 and 5th in 2006-2020.

As of 2020, the city with the most disconnected street network in Piemonte is Novara with an SNDi of 2.74, which is relatively well-connected. Conversely, the most connected city is Alessandria with an SNDi of 1.85, which is very well-connected. See trends for these cities: Alessandria, Novara

The level of street-network sprawl in the aggregate network in Piemonte rose steadily. To get a sense of how the aggregate street network has changed in Piemonte, we can consider three of its most populous cities: Turin, Novara and Alessandria. Disconnectivity in the most populous cities in Piemonte follow the same region trend.

To date, Piemonte is the 8th-most disconnected out of the 17 regions in Italy. Its position in the ranks since 1975 has not changed. Piemonte ranked 8th in 1975, 8th in 1976-1990, 8th in 1991-2005 and 8th in 2006-2020.