Kushiro in context: Street-network sprawl trends

Kushiro in context

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
KushiroHokkaido (Region)Japan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kushiro plotted against Hokkaido and Japan. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Kushiro's incremental SNDi rose from 2.04 to 2.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kushiro ranked 8th out of 10 cities in Hokkaido and 36th out of 135 in Japan as of 2020.

New Street Additions (2006–2020)

SNDi value
2.67
Rank in Japan
72nd of 135
Rank in Hokkaido
8th of 10

Entire Network (Aggregate)

SNDi value
1.97
Rank in Japan
36th of 135
Rank in Hokkaido
8th of 10

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
KushiroLongxiKuqa

In new street additions, Kushiro and Longxi both fluctuated in its street-construction patterns, while Kuqa built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Kushiro and Longxi both became progressively more disconnected, while Kuqa became progressively more connected. Kushiro and Longxi have been growing further apart in their street-network character since 1975.