Jerez in context: Street-network sprawl trends

Jerez 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
JerezAndalucia (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jerez plotted against Andalucía and Spain. The SNDi of new construction in Jerez followed a zig-zag trend with an overall increase, compared to Andalucía which peaked in 1976-1990 and Spain which peaked in 1976-1990. Most recently, Jerez's incremental SNDi fell from 1.9 to 1.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jerez ranked 6th out of 19 cities in Andalucía and 36th out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
1.87
Rank in Spain
27th of 85
Rank in Andalucía
8th of 19

Entire Network (Aggregate)

SNDi value
1.84
Rank in Spain
36th of 85
Rank in Andalucía
6th of 19

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
JerezEl GeneinaAmol

In new street additions, Jerez fluctuated in its street-construction patterns, while El Geneina fluctuated in its street-construction patterns and Amol built increasingly disconnected streets over time. Looking at the full network, El Geneina and Amol both became progressively more disconnected, while Jerez fluctuated in connectivity. Jerez and El Geneina have been converging in their street-network character since 1975.