Ushuaia in context: Street-network sprawl trends

Ushuaia in context

1.51.82.12.42.7<19751976–19901991–20052006–2020SNDi of street additions
1.51.82.12.42.7<19751976–19901991–20052006–2020SNDi of entire street network
UshuaiaTierra del Fuego (Region)Argentina (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ushuaia plotted against Tierra del Fuego and Argentina. The SNDi of new construction in Ushuaia rose steadily, compared to Tierra del Fuego which peaked in 1976-1990 and Argentina which followed a zig-zag trend with an overall increase. Most recently, Ushuaia's incremental SNDi rose from 2.4 to 2.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ushuaia ranked 2nd out of 2 cities in Tierra del Fuego and 63rd out of 77 in Argentina as of 2020.

New Street Additions (2006–2020)

SNDi value
2.67
Rank in Argentina
61st of 77
Rank in Tierra del Fuego
2nd of 2

Entire Network (Aggregate)

SNDi value
1.96
Rank in Argentina
63rd of 77
Rank in Tierra del Fuego
2nd of 2

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
UshuaiaLudenscheidGambat

In new street additions, Ushuaia and Lüdenscheid both built increasingly disconnected streets over time, while Gambat fluctuated in its street-construction patterns. For the full network, Ushuaia and Lüdenscheid both became progressively more disconnected, while Gambat fluctuated in connectivity. Ushuaia and Lüdenscheid have been growing further apart in their street-network character since 1975.