Seversk in context: Street-network sprawl trends

Seversk in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
SeverskTomsk (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Seversk plotted against Tomsk and Russia. The SNDi of new construction in Seversk peaked in 1991-2005, compared to Tomsk which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Seversk's incremental SNDi fell from 4.87 to 4.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Seversk ranked 2nd out of 2 cities in Tomsk and 239th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.79
Rank in Russia
208th of 252
Rank in Tomsk
2nd of 2

Entire Network (Aggregate)

SNDi value
4.14
Rank in Russia
239th of 252
Rank in Tomsk
2nd of 2

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
SeverskNagcarlanKirsehir

In new street additions, Seversk built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Nagcarlan built increasingly disconnected streets over time and Kırşehir fluctuated in its street-construction patterns. For the full network, Seversk and Nagcarlan both became progressively more disconnected, while Kırşehir fluctuated in connectivity. Notably, Seversk had a more sprawly network than Nagcarlan in 1975 but the two have since reversed their relative ranking.