Itabira in context: Street-network sprawl trends

Itabira 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
ItabiraMinas Gerais (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Itabira plotted against Minas Gerais and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Itabira's incremental SNDi rose from 3.65 to 4.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Itabira ranked 41st out of 49 cities in Minas Gerais and 304th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
4.24
Rank in Brazil
268th of 365
Rank in Minas Gerais
39th of 49

Entire Network (Aggregate)

SNDi value
3.41
Rank in Brazil
304th of 365
Rank in Minas Gerais
41st of 49

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
ItabiraDurbeteChangqi

In new street additions, Itabira and Durbete both fluctuated in its street-construction patterns, while Changqi built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Itabira became progressively more disconnected, while Durbete fluctuated in connectivity and Changqi grew more disconnected from 1975 through 1991-2005, then improved. Notably, Itabira had a more sprawly network than Durbete in 1975 but the two have since reversed their relative ranking.