Sochi in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sochi plotted against Krasnodar and Russia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sochi's incremental SNDi rose from 5.36 to 6.13 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sochi ranked 14th out of 15 cities in Krasnodar and 230th out of 252 in Russia as of 2020.

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

What about similarly populated cities?

• Kot Addu, Pakistan
• Gaobeidian, China
• Xuwen, China
• Krishnagiri, India
• Tando Allahyar, Pakistan
• Presidente Prudente, Brazil

In new street additions, Sochi built increasingly disconnected streets over time, while Kot Addu built increasingly disconnected streets from 1975 through 1991-2005, then improved and Krishnagiri built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Sochi and Kot Addu both became progressively more disconnected, while Krishnagiri became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Sochi and Krishnagiri have been converging in their street-network character since 1975.