Granollers in context: Street-network sprawl trends

Granollers 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
GranollersCataluna (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Granollers plotted against Cataluña and Spain. While Cataluña and Spain both peaked in 1976-1990, Granollers's new street additions peaked in 1976-1990. Most recently, Granollers's incremental SNDi fell from 2.08 to 1.98 between 1991-2005 and 2006-2020. In terms of the aggregate network, Granollers ranked 9th out of 15 cities in Cataluña and 39th out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
1.98
Rank in Spain
33rd of 85
Rank in Cataluña
4th of 15

Entire Network (Aggregate)

SNDi value
1.86
Rank in Spain
39th of 85
Rank in Cataluña
9th of 15

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
GranollersShamsabadMineralnye Vody

In new street additions, Granollers built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Shamsabad built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Mineralnye Vody built increasingly disconnected streets over time. For the full network, Granollers and Mineralnye Vody both became progressively more disconnected, while Shamsabad fluctuated in connectivity. Granollers and Shamsabad have been growing further apart in their street-network character since 1975.