Pyatigorsk in context: Street-network sprawl trends

Pyatigorsk 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
PyatigorskStavropol' (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pyatigorsk plotted against Stavropol' and Russia. The SNDi of new construction in Pyatigorsk followed a zig-zag trend with an overall increase, compared to Stavropol' which rose steadily and Russia which rose steadily. Most recently, Pyatigorsk's incremental SNDi rose from 2.78 to 3.7 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pyatigorsk ranked 2nd out of 9 cities in Stavropol' and 117th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.7
Rank in Russia
144th of 252
Rank in Stavropol'
6th of 9

Entire Network (Aggregate)

SNDi value
2.39
Rank in Russia
117th of 252
Rank in Stavropol'
2nd of 9

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
PyatigorskKaechonKayes

In new street additions, Pyatigorsk and Kayes both fluctuated in its street-construction patterns, while Kaechon built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Pyatigorsk became progressively more disconnected, while Kaechon grew more disconnected from 1975 through 1991-2005, then improved and Kayes grew more disconnected from 1975 through 1976-1990, then improved. Notably, Pyatigorsk had a more connected network than Kayes in 1975 but the two have since reversed their relative ranking.