Chapecó in context: Street-network sprawl trends

Chapeco in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ChapecoSanta Catarina (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chapecó plotted against Santa Catarina and Brazil. The SNDi of new construction in Chapecó rose steadily, compared to Santa Catarina which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Chapecó's incremental SNDi rose from 2.04 to 3.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chapecó ranked 1st out of 13 cities in Santa Catarina and 116th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
3.14
Rank in Brazil
171st of 365
Rank in Santa Catarina
1st of 13

Entire Network (Aggregate)

SNDi value
1.97
Rank in Brazil
116th of 365
Rank in Santa Catarina
1st of 13

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
ChapecoAbnubNorwich

In new street additions, Chapecó and Abnub both built increasingly disconnected streets over time, while Norwich built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Chapecó and Norwich have been converging in their street-network character since 1975.