Rosario in context: Street-network sprawl trends

Rosario in context

1.21.622.4<19751976–19901991–20052006–2020SNDi of street additions
1.21.622.4<19751976–19901991–20052006–2020SNDi of entire street network
RosarioSanta Fe (Region)Argentina (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Rosario plotted against Santa Fe and Argentina. The SNDi of new construction in Rosario rose steadily, compared to Santa Fe which followed a zig-zag trend with an overall increase and Argentina which followed a zig-zag trend with an overall increase. Most recently, Rosario's incremental SNDi rose from 2.01 to 2.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Rosario ranked 6th out of 8 cities in Santa Fe and 31st out of 77 in Argentina as of 2020.

New Street Additions (2006–2020)

SNDi value
2.17
Rank in Argentina
51st of 77
Rank in Santa Fe
7th of 8

Entire Network (Aggregate)

SNDi value
1.43
Rank in Argentina
31st of 77
Rank in Santa Fe
6th of 8

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
RosarioSantosNara

In new street additions, Rosario and Santos both built increasingly disconnected streets over time, while Nara fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend.