Tolyatti in context: Street-network sprawl trends

Tolyatti 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
TolyattiSamara (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tolyatti plotted against Samara and Russia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Tolyatti's incremental SNDi rose from 2.1 to 4.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tolyatti ranked 1st out of 6 cities in Samara and 11th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.14
Rank in Russia
177th of 252
Rank in Samara
3rd of 6

Entire Network (Aggregate)

SNDi value
1.51
Rank in Russia
11th of 252
Rank in Samara
1st of 6

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

What about similarly populated cities?

1.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
TolyattiAnningIslampur

While Anning and Islampur both fluctuated in its street-construction patterns, Tolyatti built increasingly disconnected streets over time in new street additions. For the full network, Tolyatti and Anning both became progressively more disconnected, while Islampur fluctuated in connectivity. Tolyatti and Anning have been growing further apart in their street-network character since 1975.