The level of street-network sprawl in new development in Tennessee rose steadily. To get a sense of how street development has changed in Tennessee, we can consider two of its most populous cities: Memphis and Nashville. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Memphis peaked in 1991-2005. The level of street-network sprawl in new development in Nashville followed a zig-zag trend with an overall increase.

How do development practices in Tennessee fare in comparison to others in United States? Most recently in 2006-2020, street construction in Tennessee was the 40th-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 Tennessee has become more connected. Tennessee ranked 32nd in 1975, 29th in 1976-1990, 32nd in 1991-2005 and 40th in 2006-2020.

As of 2020, the city with the most disconnected street network in Tennessee is Nashville with an SNDi of 3.23, which is moderately connected. Conversely, the most connected city is Memphis with an SNDi of 2.98, which is moderately connected. See trends for these cities: Memphis, Nashville

The level of street-network sprawl in the aggregate network in Tennessee rose steadily. To get a sense of how the aggregate street network has changed in Tennessee, we can consider two of its most populous cities: Memphis and Nashville. Disconnectivity in the most populous cities in Tennessee follow the same region trend.

To date, Tennessee is the 36th-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 Tennessee has become more connected. Tennessee ranked 32nd in 1975, 34th in 1976-1990, 36th in 1991-2005 and 36th in 2006-2020.