Bratsk in context: Street-network sprawl trends

Bratsk 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
BratskIrkutsk (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bratsk plotted against Irkutsk and Russia. The SNDi of new construction in Bratsk followed a zig-zag trend with an overall increase, compared to Irkutsk which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Bratsk's incremental SNDi rose from 2.64 to 2.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bratsk ranked 2nd out of 5 cities in Irkutsk and 111th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.92
Rank in Russia
81st of 252
Rank in Irkutsk
1st of 5

Entire Network (Aggregate)

SNDi value
2.33
Rank in Russia
111th of 252
Rank in Irkutsk
2nd of 5

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
BratskGhurianAranghata

In new street additions, Bratsk fluctuated in its street-construction patterns, while Ghurian fluctuated in its street-construction patterns and Aranghata fluctuated in its street-construction patterns. For the full network, Bratsk became progressively more disconnected, while Ghurian fluctuated in connectivity and Aranghata became progressively more disconnected. Bratsk and Ghurian have been converging in their street-network character since 1975.