Comparisons
Shiga vs. the other two most closely populated regions in Japan: Nagano and Ehime
Shiga in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Shiga followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Shiga, we can consider three of its most populous cities: Otsu, Hikone and Ohmi-Hachiman. Out of the three cities, Otsu and Ohmi-Hachiman do not follow the same trend as the region. The level of street-network sprawl in new development in Otsu peaked in 1976-1990. The level of street-network sprawl in new development in Ohmi-Hachiman peaked in 1991-2005.
How do development practices in Shiga fare in comparison to others in Japan? Most recently in 2006-2020, street construction in Shiga was the 17th-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 Shiga has become more disconnected. Shiga ranked 22nd in 1975, 16th in 1976-1990, 16th in 1991-2005 and 17th in 2006-2020.
Shiga in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Shiga is Otsu with an SNDi of 2.67, which is relatively well-connected. Conversely, the most connected city is Nagahama with an SNDi of 1.9, which is very well-connected. See trends for these cities: Nagahama, Otsu
The level of street-network sprawl in the aggregate network in Shiga rose steadily. To get a sense of how the aggregate street network has changed in Shiga, we can consider three of its most populous cities: Otsu, Hikone and Ohmi-Hachiman. Out of the three cities, Otsu does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Otsu peaked in 1991-2005.
To date, Shiga is the 22nd-most disconnected out of the 44 regions in Japan. Its position in the ranks since 1975 has not changed. Shiga ranked 22nd in 1975, 23rd in 1976-1990, 22nd in 1991-2005 and 22nd in 2006-2020.