Dzerzhinsk in context: Street-network sprawl trends

Dzerzhinsk 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
DzerzhinskNizhegorod (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dzerzhinsk plotted against Nizhegorod and Russia. The SNDi of new construction in Dzerzhinsk peaked in 1991-2005, compared to Nizhegorod which rose steadily and Russia which rose steadily. Most recently, Dzerzhinsk's incremental SNDi fell from 4.39 to 3.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dzerzhinsk ranked 1st out of 4 cities in Nizhegorod and 16th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.75
Rank in Russia
155th of 252
Rank in Nizhegorod
3rd of 4

Entire Network (Aggregate)

SNDi value
1.59
Rank in Russia
16th of 252
Rank in Nizhegorod
1st of 4

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
DzerzhinskBiyskAracatuba

While Biysk and Araçatuba both fluctuated in its street-construction patterns, Dzerzhinsk built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full street network, though, all three cities follow the same trend. Dzerzhinsk and Araçatuba have been converging in their street-network character since 1975.