Severodvinsk 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 Severodvinsk plotted against Arkhangel'sk and Russia. The SNDi of new construction in Severodvinsk was at its lowest in 1976-1990, compared to Arkhangel'sk which followed a zig-zag trend with an overall increase and Russia which rose steadily. Most recently, Severodvinsk's incremental SNDi rose from 1.49 to 1.81 between 1991-2005 and 2006-2020. In terms of the aggregate network, Severodvinsk ranked 1st out of 2 cities in Arkhangel'sk and 9th 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?

• Gondal, India
• Livorno, Italy
• Chopda, India
• Mathbarer Char, Bangladesh
• Ghatkesar, India
• كفر البطيخ, Egypt

In new street additions, Severodvinsk built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Gondal built increasingly disconnected streets over time and Mathbarer Char built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Severodvinsk became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Gondal became progressively more disconnected and Mathbarer Char grew more disconnected from 1975 through 1976-1990, then improved. Severodvinsk and Gondal have been growing further apart in their street-network character since 1975.