Dos Hermanas in context: Street-network sprawl trends

Dos Hermanas in context

1.622.42.83.2<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.83.2<19751976–19901991–20052006–2020SNDi of entire street network
Dos HermanasAndalucia (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dos Hermanas plotted against Andalucía and Spain. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Dos Hermanas's incremental SNDi fell from 2.24 to 1.86 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dos Hermanas ranked 8th out of 19 cities in Andalucía and 40th out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
1.86
Rank in Spain
23rd of 85
Rank in Andalucía
7th of 19

Entire Network (Aggregate)

SNDi value
1.9
Rank in Spain
40th of 85
Rank in Andalucía
8th of 19

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

What about similarly populated cities?

1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Dos HermanasUsta MuhammadCaaguazu

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