Mar del Plata in context: Street-network sprawl trends

Mar del Plata in context

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
Mar del PlataBuenos Aires (Region)Argentina (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mar del Plata plotted against Buenos Aires and Argentina. While Buenos Aires and Argentina both followed a zig-zag trend with an overall increase, Mar del Plata's new street additions followed a zig-zag trend with an overall increase. Most recently, Mar del Plata's incremental SNDi rose from 1.85 to 2.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mar del Plata ranked 5th out of 18 cities in Buenos Aires and 9th out of 77 in Argentina as of 2020.

New Street Additions (2006–2020)

SNDi value
2.18
Rank in Argentina
52nd of 77
Rank in Buenos Aires
11th of 18

Entire Network (Aggregate)

SNDi value
1.17
Rank in Argentina
9th of 77
Rank in Buenos Aires
5th of 18

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

What about similarly populated cities?

0369<19751976–19901991–20052006–2020SNDi of street additions
0369<19751976–19901991–20052006–2020SNDi of entire street network
Mar del PlataYichunDarjeeling

In new street additions, Mar del Plata fluctuated in its street-construction patterns, while Yichun built increasingly disconnected streets from 1975 through 1976-1990, then improved and Darjeeling built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. Looking at the full network, Yichun and Darjeeling both became progressively more connected, while Mar del Plata became progressively more disconnected.