Zaragoza in context: Street-network sprawl trends

Zaragoza in context

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
ZaragozaAragon (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zaragoza plotted against Aragón and Spain. The SNDi of new construction in Zaragoza peaked in 1991-2005, compared to Aragón which peaked in 1991-2005 and Spain which peaked in 1976-1990. Most recently, Zaragoza's incremental SNDi fell from 2.61 to 1.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zaragoza ranked 1st out of 1 cities in Aragón and 23rd out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
1.9
Rank in Spain
29th of 85
Rank in Aragón
1st of 1

Entire Network (Aggregate)

SNDi value
1.65
Rank in Spain
23rd of 85
Rank in Aragón
1st of 1

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
ZaragozaCipanasAkure

While Cipanas and Akure both fluctuated in its street-construction patterns, Zaragoza built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full street network, though, all three cities follow the same trend. Zaragoza and Akure have been growing further apart in their street-network character since 1975.