Petrozavodsk in context: Street-network sprawl trends

Petrozavodsk in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
PetrozavodskKarelia (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Petrozavodsk plotted against Karelia and Russia. The SNDi of new construction in Petrozavodsk followed a zig-zag trend with an overall increase, compared to Karelia which was at its lowest in 1991-2005 and Russia which rose steadily. Most recently, Petrozavodsk's incremental SNDi rose from 1.44 to 1.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Petrozavodsk ranked 1st out of 1 cities in Karelia and 28th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
1.85
Rank in Russia
12th of 252
Rank in Karelia
1st of 1

Entire Network (Aggregate)

SNDi value
1.7
Rank in Russia
28th of 252
Rank in Karelia
1st of 1

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
PetrozavodskUlanhotPinggu

In new street additions, Petrozavodsk and Pinggu both fluctuated in its street-construction patterns, while Ulanhot built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Petrozavodsk and Pinggu both fluctuated in connectivity, while Ulanhot grew more disconnected from 1975 through 1991-2005, then improved.