Usolye-Sibirskoye in context: Street-network sprawl trends

Usolye-Sibirskoye in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
Usolye-SibirskoyeIrkutsk (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Usolye-Sibirskoye plotted against Irkutsk and Russia. The SNDi of new construction in Usolye-Sibirskoye peaked in 1991-2005, compared to Irkutsk which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Usolye-Sibirskoye's incremental SNDi fell from 4.22 to 3.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Usolye-Sibirskoye ranked 5th out of 5 cities in Irkutsk and 206th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.62
Rank in Russia
137th of 252
Rank in Irkutsk
5th of 5

Entire Network (Aggregate)

SNDi value
3.22
Rank in Russia
206th of 252
Rank in Irkutsk
5th of 5

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Usolye-SibirskoyeBurton-on-TrentBairin Right Banner

Usolye-Sibirskoye, Burton-on-Trent, and Bairin Right Banner all built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street construction. The same pattern holds for the full street network. Usolye-Sibirskoye and Bairin Right Banner have been converging in their street-network character since 1975.