Huelva in context: Street-network sprawl trends

Huelva in context

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
HuelvaAndalucia (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huelva plotted against Andalucía and Spain. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Huelva's incremental SNDi fell from 1.62 to 1.34 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huelva ranked 13th out of 19 cities in Andalucía and 51st out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
1.34
Rank in Spain
5th of 85
Rank in Andalucía
2nd of 19

Entire Network (Aggregate)

SNDi value
2.08
Rank in Spain
51st of 85
Rank in Andalucía
13th of 19

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
HuelvaShenxianChi'an

In new street additions, Huelva built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Shenxian fluctuated in its street-construction patterns and Chi'an fluctuated in its street-construction patterns. For the full network, Huelva grew more disconnected from 1975 through 1976-1990, then improved, while Shenxian became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Chi'an fluctuated in connectivity. Huelva and Shenxian have been growing further apart in their street-network character since 1975.