Parcona in context: Street-network sprawl trends

Parcona in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
ParconaIca (Region)Peru (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Parcona plotted against Ica and Peru. The SNDi of new construction in Parcona peaked in 1976-1990, compared to Ica which peaked in 1976-1990 and Peru which followed a zig-zag trend with an overall increase. Most recently, Parcona's incremental SNDi fell from 1.9 to 0.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Parcona ranked 2nd out of 4 cities in Ica and 7th out of 43 in Peru as of 2020.

New Street Additions (2006–2020)

SNDi value
0.77
Rank in Peru
1st of 43
Rank in Ica
1st of 4

Entire Network (Aggregate)

SNDi value
1.68
Rank in Peru
7th of 43
Rank in Ica
2nd of 4

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

What about similarly populated cities?

0.91.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
ParconaJatoiRibeirao das Neves

In new street additions, Parcona built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Jatoi built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Ribeirão das Neves built increasingly disconnected streets over time. For the full network, Parcona grew more disconnected from 1975 through 1991-2005, then improved, while Jatoi became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Ribeirão das Neves became progressively more disconnected. Parcona and Jatoi have been converging in their street-network character since 1975.