Bahía Blanca in context: Street-network sprawl trends

Bahia Blanca in context

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
Bahia BlancaBuenos Aires (Region)Argentina (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bahía Blanca plotted against Buenos Aires and Argentina. The SNDi of new construction in Bahía Blanca peaked in 1976-1990, compared to Buenos Aires which rose steadily and Argentina which followed a zig-zag trend with an overall increase. Most recently, Bahía Blanca's incremental SNDi fell from 1.46 to 1.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bahía Blanca ranked 8th out of 18 cities in Buenos Aires and 19th out of 77 in Argentina as of 2020.

New Street Additions (2006–2020)

SNDi value
1.37
Rank in Argentina
10th of 77
Rank in Buenos Aires
3rd of 18

Entire Network (Aggregate)

SNDi value
1.3
Rank in Argentina
19th of 77
Rank in Buenos Aires
8th of 18

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Bahia BlancaYoshkar-OlaJianpur

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