The level of street-network sprawl in new development in Utah peaked in 1991-2005. To get a sense of how street development has changed in Utah, we can consider three of its most populous cities: Salt Lake City, Provo and Layton. Out of the three cities, Layton does not follow the same trend as the region. The level of street-network sprawl in new development in Layton rose steadily.

How do development practices in Utah fare in comparison to others in United States? Most recently in 2006-2020, street construction in Utah was the 9th-most disconnected out of the 44 regions in United States. Its position in the ranks since 1975 has risen; relative to other regions in United States, street construction in Utah has become more disconnected. Utah ranked 30th in 1975, 13th in 1976-1990, 14th in 1991-2005 and 9th in 2006-2020.

As of 2020, the city with the most disconnected street network in Utah is Salt Lake City with an SNDi of 3.75, which is relatively sprawly. Conversely, the most connected city is Spanish Fork with an SNDi of 2.7, which is relatively well-connected. See trends for these cities: Spanish Fork, Salt Lake City

The level of street-network sprawl in the aggregate network in Utah rose steadily. To get a sense of how the aggregate street network has changed in Utah, we can consider three of its most populous cities: Salt Lake City, Provo and Layton. Out of the three cities, Salt Lake City does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Salt Lake City peaked in 1991-2005.

To date, Utah is the 25th-most disconnected out of the 44 regions in United States. Its position in the ranks since 1975 has risen; relative to other regions in United States, the street network in Utah has become more disconnected. Utah ranked 30th in 1975, 25th in 1976-1990, 26th in 1991-2005 and 25th in 2006-2020.