Chillán in context: Street-network sprawl trends

Chillan in context

2.433.6<19751976–19901991–20052006–2020SNDi of street additions
2.433.6<19751976–19901991–20052006–2020SNDi of entire street network
ChillanNuble (Region)Chile (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chillán plotted against Ñuble and Chile. The SNDi of new construction in Chillán rose steadily, compared to Ñuble which rose steadily and Chile which followed a zig-zag trend with an overall increase. Most recently, Chillán's incremental SNDi rose from 3.44 to 3.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chillán ranked 1st out of 1 cities in Ñuble and 24th out of 38 in Chile as of 2020.

New Street Additions (2006–2020)

SNDi value
3.83
Rank in Chile
29th of 38
Rank in Ñuble
1st of 1

Entire Network (Aggregate)

SNDi value
3.1
Rank in Chile
24th of 38
Rank in Ñuble
1st of 1

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
ChillanLodhranKitale

In new street additions, Chillán built increasingly disconnected streets over time, while Lodhran fluctuated in its street-construction patterns and Kitale built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.