The level of street-network sprawl in new development in Louisiana rose steadily. To get a sense of how street development has changed in Louisiana, we can consider three of its most populous cities: New Orleans, Baton Rouge and Lafayette. Out of the three cities, Baton Rouge and Lafayette do not follow the same trend as the region. The level of street-network sprawl in new development in Baton Rouge followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Lafayette peaked in 1991-2005.

How do development practices in Louisiana fare in comparison to others in United States? Most recently in 2006-2020, street construction in Louisiana was the 39th-most disconnected out of the 44 regions in United States. Its position in the ranks since 1975 has fallen; relative to other regions in United States, street construction in Louisiana has become more connected. Louisiana ranked 24th in 1975, 22nd in 1976-1990, 27th in 1991-2005 and 39th in 2006-2020.

As of 2020, the city with the most disconnected street network in Louisiana is Lafayette with an SNDi of 3.39, which is relatively sprawly. Conversely, the most connected city is New Orleans with an SNDi of 2.83, which is relatively well-connected. See trends for these cities: New Orleans, Lafayette

The level of street-network sprawl in the aggregate network in Louisiana rose steadily. To get a sense of how the aggregate street network has changed in Louisiana, we can consider three of its most populous cities: New Orleans, Baton Rouge and Lafayette. Disconnectivity in the most populous cities in Louisiana follow the same region trend.

To date, Louisiana is the 27th-most disconnected out of the 44 regions in United States. Its position in the ranks since 1975 has fallen; relative to other regions in United States, the street network in Louisiana has become more connected. Louisiana ranked 24th in 1975, 23rd in 1976-1990, 25th in 1991-2005 and 27th in 2006-2020.