The level of street-network sprawl in new development in Hawaii peaked in 1976-1990. To get a sense of how street development has changed in Hawaii, we can consider three of its most populous cities: Honolulu, Ewa Beach and Mililani. Out of the three cities, Ewa Beach does not follow the same trend as the region. The level of street-network sprawl in new development in Ewa Beach followed a zig-zag trend with an overall decrease.

How do development practices in Hawaii fare in comparison to others in United States? Most recently in 2006-2020, street construction in Hawaii was the 18th-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 Hawaii has become more disconnected. Hawaii ranked 44th in 1975, 43rd in 1976-1990, 41st in 1991-2005 and 18th in 2006-2020.

As of 2020, the city with the most disconnected street network in Hawaii is Mililani with an SNDi of 6.09, which is very sprawly. Conversely, the most connected city is Kahului with an SNDi of 4.19, which is sprawly. See trends for these cities: Kahului, Mililani

The level of street-network sprawl in the aggregate network in Hawaii peaked in 1991-2005. To get a sense of how the aggregate street network has changed in Hawaii, we can consider three of its most populous cities: Honolulu, Ewa Beach and Mililani. Out of the three cities, Ewa Beach and Mililani do not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Ewa Beach fell steadily. The level of street-network sprawl in the aggregate network in Mililani rose steadily.

To date, Hawaii is the 43rd-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 Hawaii has become more disconnected. Hawaii ranked 44th in 1975, 44th in 1976-1990, 43rd in 1991-2005 and 43rd in 2006-2020.