Berezniki 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 Berezniki plotted against Perm' and Russia. The SNDi of new construction in Berezniki was at its lowest in 1976-1990, compared to Perm' which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Berezniki's incremental SNDi rose from 1.36 to 1.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Berezniki ranked 1st out of 7 cities in Perm' and 4th 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?

• Al Hai, Iraq
• High Wycombe, United Kingdom
• Bidhuna, India
• Lawrence, United States
• Marand, Iran
• Wuhe, China

In new street additions, Berezniki built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Al Hai built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Lawrence built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Berezniki became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Al Hai became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Lawrence became progressively more disconnected. Berezniki and Al Hai have been converging in their street-network character since 1975.