Berdsk in context: Street-network sprawl trends

Berdsk in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
BerdskNovosibirsk (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Berdsk plotted against Novosibirsk and Russia. The SNDi of new construction in Berdsk peaked in 1991-2005, compared to Novosibirsk which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Berdsk's incremental SNDi fell from 2.99 to 2.98 between 1991-2005 and 2006-2020. In terms of the aggregate network, Berdsk ranked 1st out of 3 cities in Novosibirsk and 77th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.98
Rank in Russia
88th of 252
Rank in Novosibirsk
1st of 3

Entire Network (Aggregate)

SNDi value
2.11
Rank in Russia
77th of 252
Rank in Novosibirsk
1st of 3

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
BerdskUmredRasulabad

In new street additions, Berdsk built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Umred built increasingly disconnected streets over time and Rasulabad fluctuated in its street-construction patterns. For the full network, Berdsk and Umred both became progressively more disconnected, while Rasulabad fluctuated in connectivity. Berdsk and Umred have been growing further apart in their street-network character since 1975.