Comparisons
Hiroshima vs. the other two most closely populated regions in Japan: Shizuoka and Miyagi
Hiroshima in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Hiroshima followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Hiroshima, we can consider three of its most populous cities: Hiroshima, Fukuyama and Onomichi. Disconnectivity in the most populous cities in Hiroshima follow the same region trend.
How do development practices in Hiroshima fare in comparison to others in Japan? Most recently in 2006-2020, street construction in Hiroshima was the 43rd-most disconnected out of the 44 regions in Japan. Its position in the ranks since 1975 has fallen; relative to other regions in Japan, street construction in Hiroshima has become more connected. Hiroshima ranked 38th in 1975, 41st in 1976-1990, 42nd in 1991-2005 and 43rd in 2006-2020.
Hiroshima in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Hiroshima is Onomichi with an SNDi of 4.0, which is sprawly. Conversely, the most connected city is Fukuyama with an SNDi of 2.13, which is well-connected. See trends for these cities: Fukuyama, Onomichi
The level of street-network sprawl in the aggregate network in Hiroshima rose steadily. To get a sense of how the aggregate street network has changed in Hiroshima, we can consider three of its most populous cities: Hiroshima, Fukuyama and Onomichi. Disconnectivity in the most populous cities in Hiroshima follow the same region trend.
To date, Hiroshima is the 41st-most disconnected out of the 44 regions in Japan. Its position in the ranks since 1975 has fallen; relative to other regions in Japan, the street network in Hiroshima has become more connected. Hiroshima ranked 38th in 1975, 38th in 1976-1990, 41st in 1991-2005 and 41st in 2006-2020.