Yuzhno-Sakhalinsk in context: Street-network sprawl trends

Yuzhno-Sakhalinsk in context

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
Yuzhno-SakhalinskSakhalin (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yuzhno-Sakhalinsk plotted against Sakhalin and Russia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Yuzhno-Sakhalinsk's incremental SNDi rose from 5.16 to 6.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yuzhno-Sakhalinsk ranked 1st out of 1 cities in Sakhalin and 202nd out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
6.37
Rank in Russia
240th of 252
Rank in Sakhalin
1st of 1

Entire Network (Aggregate)

SNDi value
3.16
Rank in Russia
202nd of 252
Rank in Sakhalin
1st of 1

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

What about similarly populated cities?

0481216<19751976–19901991–20052006–2020SNDi of street additions
0481216<19751976–19901991–20052006–2020SNDi of entire street network
Yuzhno-SakhalinskSwarupkathiDjougou

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