The level of street-network sprawl in new development in Missouri peaked in 1991-2005. To get a sense of how street development has changed in Missouri, we can consider three of its most populous cities: St. Louis, Kansas City and Springfield. Out of the three cities, St. Louis and Kansas City do not follow the same trend as the region. The level of street-network sprawl in new development in St. Louis rose steadily. The level of street-network sprawl in new development in Kansas City rose steadily.

How do development practices in Missouri fare in comparison to others in United States? Most recently in 2006-2020, street construction in Missouri was the 33rd-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 Missouri has become more connected. Missouri ranked 25th in 1975, 26th in 1976-1990, 33rd in 1991-2005 and 33rd in 2006-2020.

As of 2020, the city with the most disconnected street network in Missouri is O’Fallon with an SNDi of 6.01, which is very sprawly. Conversely, the most connected city is Kansas City with an SNDi of 2.22, which is well-connected. See trends for these cities: Kansas City, O’Fallon

The level of street-network sprawl in the aggregate network in Missouri rose steadily. To get a sense of how the aggregate street network has changed in Missouri, we can consider three of its most populous cities: St. Louis, Kansas City and Springfield. Disconnectivity in the most populous cities in Missouri follow the same region trend.

To date, Missouri is the 31st-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 Missouri has become more connected. Missouri ranked 25th in 1975, 27th in 1976-1990, 29th in 1991-2005 and 31st in 2006-2020.