Santa Maria in context: Street-network sprawl trends

Santa Maria in context

1.82.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Santa MariaRio Grande do Sul (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Santa Maria plotted against Rio Grande do Sul and Brazil. While Rio Grande do Sul and Brazil both followed a zig-zag trend with an overall increase, Santa Maria's new street additions followed a zig-zag trend with an overall increase. Most recently, Santa Maria's incremental SNDi rose from 2.8 to 3.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Santa Maria ranked 13th out of 22 cities in Rio Grande do Sul and 204th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
3.09
Rank in Brazil
167th of 365
Rank in Rio Grande do Sul
5th of 22

Entire Network (Aggregate)

SNDi value
2.46
Rank in Brazil
204th of 365
Rank in Rio Grande do Sul
13th of 22

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Santa MariaEketQinzhou

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