Sievierodonetsk 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 Sievierodonetsk plotted against Luhans'k and Ukraine. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sievierodonetsk's incremental SNDi rose from 1.58 to 3.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sievierodonetsk ranked 1st out of 9 cities in Luhans'k and 1st out of 75 in Ukraine as of 2020.

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

What about similarly populated cities?

• Las Piedras, Uruguay
• Dimitrovgrad, Russia
• Bagram, Afghanistan
• Qin'an, China
• Elland, United Kingdom
• Tartus, Syria

In new street additions, Sievierodonetsk and Las Piedras both built increasingly disconnected streets over time, while Qin'an fluctuated in its street-construction patterns. For the full network, Sievierodonetsk and Las Piedras both became progressively more disconnected, while Qin'an fluctuated in connectivity. Sievierodonetsk and Las Piedras have been growing further apart in their street-network character since 1975.