Pervouralsk in context: Street-network sprawl trends

Pervouralsk in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
PervouralskSverdlovsk (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pervouralsk plotted against Sverdlovsk and Russia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Pervouralsk's incremental SNDi rose from 2.59 to 3.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pervouralsk ranked 7th out of 8 cities in Sverdlovsk and 114th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.59
Rank in Russia
134th of 252
Rank in Sverdlovsk
7th of 8

Entire Network (Aggregate)

SNDi value
2.34
Rank in Russia
114th of 252
Rank in Sverdlovsk
7th of 8

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

What about similarly populated cities?

1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
PervouralskMashanIperu

In new street additions, Pervouralsk built increasingly disconnected streets over time, while Mashan built increasingly disconnected streets from 1975 through 1976-1990, then improved and Iperu built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Pervouralsk and Iperu both became progressively more disconnected, while Mashan grew more disconnected from 1975 through 1991-2005, then improved. Pervouralsk and Iperu have been growing further apart in their street-network character since 1975.