Alcalá de Henares in context: Street-network sprawl trends

Alcala de Henares in context

22.42.83.2<19751976–19901991–20052006–2020SNDi of street additions
22.42.83.2<19751976–19901991–20052006–2020SNDi of entire street network
Alcala de HenaresComunidad de Madrid (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Alcalá de Henares plotted against Comunidad de Madrid and Spain. The SNDi of new construction in Alcalá de Henares followed a zig-zag trend with an overall increase, compared to Comunidad de Madrid which peaked in 1976-1990 and Spain which peaked in 1976-1990. Most recently, Alcalá de Henares's incremental SNDi rose from 2.24 to 2.48 between 1991-2005 and 2006-2020. In terms of the aggregate network, Alcalá de Henares ranked 6th out of 7 cities in Comunidad de Madrid and 61st out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
2.48
Rank in Spain
50th of 85
Rank in Comunidad de Madrid
6th of 7

Entire Network (Aggregate)

SNDi value
2.28
Rank in Spain
61st of 85
Rank in Comunidad de Madrid
6th of 7

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Alcala de HenaresZunhuaOkitipupa

Alcalá de Henares, Zunhua, and Okitipupa all fluctuated in its street-construction patterns in new street construction. Looking at the full network, Zunhua and Okitipupa both became progressively more disconnected, while Alcalá de Henares fluctuated in connectivity. Alcalá de Henares and Zunhua have been growing further apart in their street-network character since 1975.