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

How do development practices in Miyagi fare in comparison to others in Japan? Most recently in 2006-2020, street construction in Miyagi was the 21st-most disconnected out of the 44 regions in Japan. Its position in the ranks since 1975 has risen; relative to other regions in Japan, street construction in Miyagi has become more disconnected. Miyagi ranked 39th in 1975, 38th in 1976-1990, 33rd in 1991-2005 and 21st in 2006-2020.

As of 2020, the city with the most disconnected street network in Miyagi is Osaki with an SNDi of 3.05, which is moderately connected. Conversely, the most connected city is Shibata with an SNDi of 2.15, which is well-connected. See trends for these cities: Shibata, Osaki

The level of street-network sprawl in the aggregate network in Miyagi peaked in 1991-2005. To get a sense of how the aggregate street network has changed in Miyagi, we can consider three of its most populous cities: Sendai, Ishinomaki and Shibata. Out of the three cities, Ishinomaki and Shibata do not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Ishinomaki peaked in 1976-1990. The level of street-network sprawl in the aggregate network in Shibata rose steadily.

To date, Miyagi is the 35th-most disconnected out of the 44 regions in Japan. Its position in the ranks since 1975 has risen; relative to other regions in Japan, the street network in Miyagi has become more disconnected. Miyagi ranked 39th in 1975, 40th in 1976-1990, 38th in 1991-2005 and 35th in 2006-2020.