Biysk in context: Street-network sprawl trends

Biysk in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
BiyskAltay (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Biysk plotted against Altay and Russia. The SNDi of new construction in Biysk followed a zig-zag trend with an overall increase, compared to Altay which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Biysk's incremental SNDi rose from 3.65 to 5.34 between 1991-2005 and 2006-2020. In terms of the aggregate network, Biysk ranked 3rd out of 3 cities in Altay and 175th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.34
Rank in Russia
226th of 252
Rank in Altay
3rd of 3

Entire Network (Aggregate)

SNDi value
2.85
Rank in Russia
175th of 252
Rank in Altay
3rd of 3

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
BiyskPuerto CabelloDzerzhinsk

In new street additions, Biysk fluctuated in its street-construction patterns, while Puerto Cabello built increasingly disconnected streets over time and Dzerzhinsk built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.