Irecê in context: Street-network sprawl trends

Irece in context

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
IreceBahia (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Irecê plotted against Bahia and Brazil. The SNDi of new construction in Irecê peaked in 1976-1990, compared to Bahia which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Irecê's incremental SNDi fell from 1.56 to 1.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Irecê ranked 2nd out of 22 cities in Bahia and 37th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
1.55
Rank in Brazil
6th of 365
Rank in Bahia
2nd of 22

Entire Network (Aggregate)

SNDi value
1.51
Rank in Brazil
37th of 365
Rank in Bahia
2nd of 22

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

What about similarly populated cities?

1.62.43.2<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.2<19751976–19901991–20052006–2020SNDi of entire street network
IreceKalulushiHuining

In new street additions, Irecê built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kalulushi fluctuated in its street-construction patterns and Huining built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Irecê and Kalulushi both became progressively more disconnected, while Huining grew more disconnected from 1975 through 1991-2005, then improved. Irecê and Huining have been growing further apart in their street-network character since 1975.