Chernogorsk in context: Street-network sprawl trends

Chernogorsk in context

0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
ChernogorskKhakass (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chernogorsk plotted against Khakass and Russia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Chernogorsk's incremental SNDi rose from 2.11 to 2.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chernogorsk ranked 1st out of 1 cities in Khakass and 8th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.19
Rank in Russia
28th of 252
Rank in Khakass
1st of 1

Entire Network (Aggregate)

SNDi value
1.48
Rank in Russia
8th of 252
Rank in Khakass
1st of 1

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

What about similarly populated cities?

0.71.42.12.8<19751976–19901991–20052006–2020SNDi of street additions
0.71.42.12.8<19751976–19901991–20052006–2020SNDi of entire street network
ChernogorskXiangfuGoianesia

While Xiangfu and Goianésia both fluctuated in its street-construction patterns, Chernogorsk built increasingly disconnected streets over time in new street additions. For the full network, Chernogorsk and Goianésia both became progressively more disconnected, while Xiangfu grew more disconnected from 1975 through 1976-1990, then improved. Chernogorsk and Goianésia have been converging in their street-network character since 1975.