Tottori in context: Street-network sprawl trends

Tottori in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
TottoriJapan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tottori plotted against Japan. Both Tottori and Japan follow the same trend. Most recently, Tottori's incremental SNDi rose from 3.12 to 4.26 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tottori ranked 76th out of 135 in Japan as of 2020.

New Street Additions (2006–2020)

SNDi value
4.26
Rank in Japan
120th of 135

Entire Network (Aggregate)

SNDi value
2.42
Rank in Japan
76th of 135

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
TottoriPare-PareSherkot

In new street additions, Tottori and Sherkot both fluctuated in its street-construction patterns, while Pare-Pare built increasingly disconnected streets over time. For the full network, Tottori and Pare-Pare both became progressively more disconnected, while Sherkot grew more disconnected from 1975 through 1976-1990, then improved. Tottori and Sherkot have been growing further apart in their street-network character since 1975.