Chincha Alta in context: Street-network sprawl trends

Chincha Alta in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Chincha AltaIca (Region)Peru (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chincha Alta plotted against Ica and Peru. While Ica and Peru both followed a zig-zag trend with an overall increase, Chincha Alta's new street additions followed a zig-zag trend with an overall increase. Most recently, Chincha Alta's incremental SNDi rose from 2.6 to 3.05 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chincha Alta ranked 3rd out of 4 cities in Ica and 15th out of 43 in Peru as of 2020.

New Street Additions (2006–2020)

SNDi value
3.05
Rank in Peru
32nd of 43
Rank in Ica
4th of 4

Entire Network (Aggregate)

SNDi value
2.19
Rank in Peru
15th of 43
Rank in Ica
3rd of 4

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Chincha AltaMetturHuanuco

In new street additions, Chincha Alta and Huánuco both fluctuated in its street-construction patterns, while Mettur built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Chincha Alta became progressively more disconnected, while Mettur grew more disconnected from 1975 through 1991-2005, then improved and Huánuco grew more disconnected from 1975 through 1976-1990, then improved. Chincha Alta and Huánuco have been converging in their street-network character since 1975.