Akita in context: Street-network sprawl trends

Akita in context

22.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
22.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
AkitaJapan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Akita plotted against Japan. Both Akita and Japan follow the same trend. Most recently, Akita's incremental SNDi rose from 3.14 to 3.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Akita ranked 103rd out of 135 in Japan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.52
Rank in Japan
103rd of 135

Entire Network (Aggregate)

SNDi value
2.7
Rank in Japan
103rd of 135

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
AkitaVolzhskiyMossoro

In new street additions, Akita and Mossoró both fluctuated in its street-construction patterns, while Volzhskiy built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Akita and Mossoró both became progressively more disconnected, while Volzhskiy became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Akita and Mossoró have been converging in their street-network character since 1975.