Obninsk in context: Street-network sprawl trends

Obninsk in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
ObninskKaluga (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Obninsk plotted against Kaluga and Russia. The SNDi of new construction in Obninsk followed a zig-zag trend with an overall increase, compared to Kaluga which rose steadily and Russia which rose steadily. Most recently, Obninsk's incremental SNDi fell from 1.92 to 1.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Obninsk ranked 1st out of 2 cities in Kaluga and 41st out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
1.84
Rank in Russia
11th of 252
Rank in Kaluga
1st of 2

Entire Network (Aggregate)

SNDi value
1.84
Rank in Russia
41st of 252
Rank in Kaluga
1st of 2

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
ObninskJinshaBarysaw

In new street additions, Obninsk fluctuated in its street-construction patterns, while Jinsha fluctuated in its street-construction patterns and Barysaw built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Obninsk fluctuated in connectivity, while Jinsha fluctuated in connectivity and Barysaw grew more disconnected from 1975 through 1991-2005, then improved.