Puerto Iguazú 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 Puerto Iguazú plotted against Misiones and Argentina. The SNDi of new construction in Puerto Iguazú peaked in 1991-2005, compared to Misiones which followed a zig-zag trend with an overall increase and Argentina which followed a zig-zag trend with an overall increase. Most recently, Puerto Iguazú's incremental SNDi fell from 3.54 to 2.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Puerto Iguazú ranked 4th out of 4 cities in Misiones and 75th 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?

• Kempville, South Africa
• Amaseri, Nigeria
• Sohma, India
• Bagudo, Nigeria
• Roeselare, Belgium
• Faizpur, India

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