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

How do development practices in Lazio fare in comparison to others in Italy? Most recently in 2006-2020, street construction in Lazio was the 15th-most disconnected out of the 17 regions in Italy. Its position in the ranks since 1975 has fallen; relative to other regions in Italy, street construction in Lazio has become more connected. Lazio ranked 11th in 1975, 15th in 1976-1990, 15th in 1991-2005 and 15th in 2006-2020.

As of 2020, the city with the most disconnected street network in Lazio is Anzio with an SNDi of 4.67, which is sprawly. Conversely, the most connected city is Lido di Ostia with an SNDi of 2.51, which is relatively well-connected. See trends for these cities: Lido di Ostia, Anzio

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

To date, Lazio is the 15th-most disconnected out of the 17 regions in Italy. Its position in the ranks since 1975 has fallen; relative to other regions in Italy, the street network in Lazio has become more connected. Lazio ranked 11th in 1975, 12th in 1976-1990, 15th in 1991-2005 and 15th in 2006-2020.