Concordia 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 Concordia plotted against Entre Ríos and Argentina. The SNDi of new construction in Concordia peaked in 1976-1990, compared to Entre Ríos which followed a zig-zag trend with an overall increase and Argentina which followed a zig-zag trend with an overall increase. Most recently, Concordia's incremental SNDi fell from 2.65 to 2.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Concordia ranked 4th out of 4 cities in Entre Ríos and 67th 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?

• Bayt al Faqih, Yemen
• Chhatak, Bangladesh
• Guarapuava, Brazil
• Mulia, Indonesia
• Huadian, China
• Ar Rijad, Yemen

In new street additions, Concordia built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Bayt al Faqih fluctuated in its street-construction patterns and Mulia built increasingly connected streets over time. For the full network, Concordia became progressively more disconnected, while Bayt al Faqih fluctuated in connectivity and Mulia became progressively more connected. Notably, Concordia had a more connected network than Bayt al Faqih in 1975 but the two have since reversed their relative ranking.