San Nicolás de los Arroyos 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 San Nicolás de los Arroyos plotted against Buenos Aires and Argentina. The SNDi of new construction in San Nicolás de los Arroyos rose steadily, compared to Buenos Aires which rose steadily and Argentina which followed a zig-zag trend with an overall increase. Most recently, San Nicolás de los Arroyos's incremental SNDi rose from 2.21 to 2.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, San Nicolás de los Arroyos ranked 16th out of 18 cities in Buenos Aires and 53rd out of 77 in Argentina as of 2020.

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

What about similarly populated cities?

• Jimei, China
• Tabaco, Philippines
• Gundo Meskel, Ethiopia
• Bacău, Romania
• Bremerhaven, Germany
• Kotamobagu, Indonesia

In new street additions, San Nicolás de los Arroyos and Bacău both built increasingly disconnected streets over time, while Jimei built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, San Nicolás de los Arroyos and Bacău both became progressively more disconnected, while Jimei became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. San Nicolás de los Arroyos and Jimei have been converging in their street-network character since 1975.