Achinsk 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 Achinsk plotted against Krasnoyarsk and Russia. The SNDi of new construction in Achinsk followed a zig-zag trend with an overall decrease, compared to Krasnoyarsk which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Achinsk's incremental SNDi rose from 3.49 to 4.98 between 1991-2005 and 2006-2020. In terms of the aggregate network, Achinsk ranked 5th out of 5 cities in Krasnoyarsk and 227th 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?

• Meishan, China
• Pindi Bhattian, Pakistan
• Rajouri, Jammu and Kashmir
• Erenhot, China
• Goh, India
• Piranshahr, Iran

In new street additions, Achinsk fluctuated in its street-construction patterns, while Meishan built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Erenhot built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Achinsk fluctuated in connectivity, while Meishan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Erenhot grew more disconnected from 1975 through 1976-1990, then improved. Notably, Achinsk had a more sprawly network than Meishan in 1975 but the two have since reversed their relative ranking.