San Miguel de Tucumán in context: Street-network sprawl trends

San Miguel de Tucuman in context

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
San Miguel de TucumanTucuman (Region)Argentina (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with San Miguel de Tucumán plotted against Tucumán and Argentina. The SNDi of new construction in San Miguel de Tucumán rose steadily, compared to Tucumán which rose steadily and Argentina which followed a zig-zag trend with an overall increase. Most recently, San Miguel de Tucumán's incremental SNDi rose from 2.97 to 3.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, San Miguel de Tucumán ranked 2nd out of 2 cities in Tucumán and 70th out of 77 in Argentina as of 2020.

New Street Additions (2006–2020)

SNDi value
3.36
Rank in Argentina
71st of 77
Rank in Tucumán
2nd of 2

Entire Network (Aggregate)

SNDi value
2.37
Rank in Argentina
70th of 77
Rank in Tucumán
2nd of 2

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

What about similarly populated cities?

1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
San Miguel de TucumanHeratVoronezh

In new street additions, San Miguel de Tucumán and Voronezh both built increasingly disconnected streets over time, while Herat built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, San Miguel de Tucumán and Voronezh both became progressively more disconnected, while Herat became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. San Miguel de Tucumán and Herat have been converging in their street-network character since 1975.