León in context: Street-network sprawl trends

Leon 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
LeonCastilla y Leon (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with León plotted against Castilla y León and Spain. The SNDi of new construction in León rose steadily, compared to Castilla y León which peaked in 1991-2005 and Spain which peaked in 1976-1990. Most recently, León's incremental SNDi rose from 2.51 to 2.86 between 1991-2005 and 2006-2020. In terms of the aggregate network, León ranked 5th out of 5 cities in Castilla y León and 53rd out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
2.86
Rank in Spain
62nd of 85
Rank in Castilla y León
5th of 5

Entire Network (Aggregate)

SNDi value
2.08
Rank in Spain
53rd of 85
Rank in Castilla y León
5th of 5

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
LeonRaghunathpurDingyuan

In new street additions, León and Raghunathpur both built increasingly disconnected streets over time, while Dingyuan built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, León and Raghunathpur both became progressively more disconnected, while Dingyuan grew more disconnected from 1975 through 1991-2005, then improved. León and Dingyuan have been converging in their street-network character since 1975.