Palpalá in context: Street-network sprawl trends

Palpala in context

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
PalpalaJujuy (Region)Argentina (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Palpalá plotted against Jujuy and Argentina. The SNDi of new construction in Palpalá peaked in 1991-2005, compared to Jujuy which peaked in 1976-1990 and Argentina which followed a zig-zag trend with an overall increase. Most recently, Palpalá's incremental SNDi fell from 2.0 to 1.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Palpalá ranked 3rd out of 4 cities in Jujuy and 55th out of 77 in Argentina as of 2020.

New Street Additions (2006–2020)

SNDi value
1.94
Rank in Argentina
43rd of 77
Rank in Jujuy
3rd of 4

Entire Network (Aggregate)

SNDi value
1.79
Rank in Argentina
55th of 77
Rank in Jujuy
3rd of 4

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
PalpalaOstrow WielkopolskiAiyetoro

While Ostrów Wielkopolski and Aiyetoro both built increasingly disconnected streets over time, Palpalá built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full street network, though, all three cities follow the same trend. Palpalá and Ostrów Wielkopolski have been growing further apart in their street-network character since 1975.