Barnaul in context: Street-network sprawl trends

Barnaul in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
BarnaulAltay (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Barnaul plotted against Altay and Russia. The SNDi of new construction in Barnaul peaked in 1991-2005, compared to Altay which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Barnaul's incremental SNDi fell from 2.91 to 2.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Barnaul ranked 2nd out of 3 cities in Altay and 127th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.37
Rank in Russia
40th of 252
Rank in Altay
1st of 3

Entire Network (Aggregate)

SNDi value
2.46
Rank in Russia
127th of 252
Rank in Altay
2nd of 3

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

What about similarly populated cities?

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
BarnaulYuxiMalaga

In new street additions, Barnaul built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Yuxi fluctuated in its street-construction patterns and Málaga built increasingly disconnected streets from 1975 through 1976-1990, then improved. Looking at the full network, Yuxi and Málaga both became progressively more disconnected, while Barnaul grew more disconnected from 1975 through 1991-2005, then improved. Barnaul and Yuxi have been growing further apart in their street-network character since 1975.