Comparisons
Gunma vs. the other two most closely populated regions in Japan: Nara and Okinawa
Gunma in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Gunma peaked in 1976-1990. To get a sense of how street development has changed in Gunma, we can consider three of its most populous cities: Takasaki [Maebashi], Isesaki and Ota. Out of the three cities, Isesaki does not follow the same trend as the region. The level of street-network sprawl in new development in Isesaki followed a zig-zag trend with an overall increase.
Gunma in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Gunma is Takasaki [Maebashi] with an SNDi of 1.8, which is very well-connected. Conversely, the most connected city is Isesaki with an SNDi of 1.45, which is very well-connected. See trends for these cities: Isesaki, Takasaki [Maebashi]
The level of street-network sprawl in the aggregate network in Gunma rose steadily. To get a sense of how the aggregate street network has changed in Gunma, we can consider three of its most populous cities: Takasaki [Maebashi], Isesaki and Ota. Disconnectivity in the most populous cities in Gunma follow the same region trend.