Guadalajara in context: Street-network sprawl trends

Guadalajara 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
GuadalajaraCastilla-La Mancha (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guadalajara plotted against Castilla-La Mancha and Spain. While Castilla-La Mancha and Spain both peaked in 1976-1990, Guadalajara's new street additions peaked in 1976-1990. Most recently, Guadalajara's incremental SNDi fell from 1.77 to 1.25 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guadalajara ranked 4th out of 4 cities in Castilla-La Mancha and 27th out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
1.25
Rank in Spain
3rd of 85
Rank in Castilla-La Mancha
1st of 4

Entire Network (Aggregate)

SNDi value
1.71
Rank in Spain
27th of 85
Rank in Castilla-La Mancha
4th of 4

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

What about similarly populated cities?

0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
GuadalajaraNormanMai-Kuduk

In new street additions, Guadalajara built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Norman built increasingly disconnected streets over time and Май-Кудук built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Guadalajara grew more disconnected from 1975 through 1976-1990, then improved, while Norman became progressively more disconnected and Май-Кудук grew more disconnected from 1975 through 1991-2005, then improved. Guadalajara and Norman have been growing further apart in their street-network character since 1975.